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| Product | Description | |
|---|---|---|
| Glycine impurity 5 | Glycine impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1029441-44-8. Molecular formula: C15H26N2O8. Mole weight: 362.38. Catalog: APB1029441448. |  |
| Glycine impurity 7 | Glycine impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13344-50-8. Molecular formula: C5H10N2O3. Mole weight: 146.15. Catalog: APB13344508. | |
| Ethyl 2-(6-Amino-2,3-dichlorobenzyl)glycine-13C2 (Anagrelide Impurity A) | Isotope labeled Anagrelide impurity A. Group: Biochemicals. Alternative Names: N-[ (6-Amino-2, 3-dichlorophenyl) methyl]glycine Ethyl Ester-13C2; Ethyl (2-Amino-5, 6-dichlorobenzyl) aminoacetate-13C2; Ethyl N-(6-Amino-2,3-dichlorobenzyl)glycine-13C2; Anagrelide Impurity A-13C2. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. |  Worldwide |
| Ethyl 2- (6-amino-2, 3-dichlorobenzyl)glycine (anagrelide impurity A) | Ethyl 2- (6-amino-2, 3-dichlorobenzyl)glycine (anagrelide impurity A). Group: Biochemicals. Alternative Names: N-[ (6-Amino-2, 3-dichlorophenyl) methyl]glycine ethyl ester. Grades: Highly Purified. CAS No. 70406-92-7. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C11H14Cl2N2O2. US Biological Life Sciences. | Worldwide |
| Ethyl 2-(6-Amino-2,3-dichlorobenzyl)glycine Dihydrochloride (Anagrelide Impurity A) | Anagrelide impurity A. Group: Biochemicals. Alternative Names: N-[ (6-Amino-2, 3-dichlorophenyl) methyl]glycine Ethyl Ester. Grades: Highly Purified. CAS No. 882301-57-7. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| Glycine EP Impurity E | Glycine EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107-95-9. Molecular formula: C3H7NO2. Mole weight: 89.09. Catalog: APB107959. | |
| Glycine EP Impurity F | Glycine EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107-97-1. Molecular formula: C3H7NO2. Mole weight: 89.09. Catalog: APB107971. | |
| [1,7-Bis(3-sulfo-L-alanine)]calcitoninylglycine (salmon) | An impurity of Calcitonin (salmon). Calcitonin (salmon) is a synthetic form of the hormone calcitonin, derived from salmon. It is a potent 32-amino acid peptide used primarily to manage bone health and calcium regulation. Calcitonin (salmon) is used to treat conditions such as postmenopausal osteoporosis, Paget's disease, and hypercalcemia. Synonyms: Cys(acid)-Ser-Asn-Leu-Ser-Thr-Cys(acid)-Val-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-Thr-Pro-Gly; [1,7-Bis(3-sulfo-L-alanine)] calcitonin salmon-glycine; Calcitonin (salmon) EP Impurity G; Calcitonin (salmon) Impurity G; Cys(acid)-SNLST-Cys(acid)-VLGKLSQELHKLQTYPRTNTGSGTPG; H-Ala(SO3H)-Ser-Asn-Leu-Ser-Thr-Ala(SO3H)-Val-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-Thr-Pro-Gly-OH; 3-sulfo-L-alanyl-L-seryl-L-asparagyl-L-leucyl-L-seryl-L-threonyl-3-sulfo-L-alanyl-L-valyl-L-leucyl-glycyl-L-lysyl-L-leucyl-L-seryl-L-glutaminyl-L-alpha-glutamyl-L-leucyl-L-histidyl-L-lysyl-L-leucyl-L-glutaminyl-L-threonyl-L-tyrosyl-L-prolyl-L-arginyl-L-threonyl-L-asparagyl-L-threonyl-glycyl-L-seryl-glycyl-L-threonyl-L-prolylglycine; Calcitonin Salmon EP Impurity G; 1,7-bis(3-sulfo-L-Ala)-Calcitoninyl glycine; Calcitonin EP impurity G. Grade: ≥95%. Molecular formula: C147H244N44O56S2. Mole weight: 3587.94. |  |
| 2-(1a-methyl-6-oxo-3-phenoxy-1,1a,6,6a-tetrahydroindeno[1,2-b]azirine-6a-carboxamido)acetic acid | 2-(1a-methyl-6-oxo-3-phenoxy-1,1a,6,6a-tetrahydroindeno[1,2-b]azirine-6a-carboxamido)acetic acid is an impurity of Roxadustat. Roxadustat is a hypoxia-inducible factor prolyl hydroxylase inhibitor (HIF-PHI). It promotes coordinated erythropoiesis through increasing endogenous erythropoietin, improving iron availability, and reducing hepcidin. Synonyms: (1a-methyl-6-oxo-3-phenoxy-1,1a,6,6a-tetrahydroindeno[1,2-b]azirine-6a-carbonyl)glycine; Rosastat impurity 02. CAS No. 2301113-15-3. Molecular formula: C19H16N2O5. Mole weight: 352.35. | |
| 2-Hydroxy Felbamate | An impurity of Felbamate. Felbamate is an anticonvulsant, acting as an antagonist at the NMDA-associated glycine binding site. Synonyms: 2-Phenyl-1,2,3-propanetriol 1,3-Dicarbamate; 2-Hydroxy-2-phenyl-1,3-propanediyl dicarbamate. Grade: > 95%. CAS No. 109482-32-8. Molecular formula: C11H14N2O5. Mole weight: 254.24. | |
| 8-L-Arginine-9a-glycine-vasopressin | An impurity of Vasopressin. Vasopressin is a nonapeptide hormone produced in the hypothalamus and released by the posterior pituitary gland. It is used clinically to manage central diabetes insipidus, treat hypotension in shock, and control gastrointestinal bleeding. Synonyms: Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-Gly-OH(Cys1&Cys6 bridge); CYFQNCPRGG-OH(Cys1&Cys6 bridge); L-Cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-arginyl-glycyl-glycine (1->6)-disulfide; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-Gly-OH (Disulfide bridge: Cys1-Cys6); Endo-Gly9a-Vasopressin. Grade: ≥95%. CAS No. 114665-05-3. Molecular formula: C48H67N15O14S2. Mole weight: 1142.27. | |
| [9-Glycine]desmopressin | An impurity of Desmopressin. Desmopressin is a synthetic analogue of the hormone vasopressin, used to treat conditions such as central diabetes insipidus, nocturnal enuresis (bedwetting), and certain bleeding disorders like hemophilia A and von Willebrand disease. Synonyms: Mpr-Tyr-Phe-Gln-Asn-Cys-Pro-DArg-Gly(Mpr and Cys bridge); Mpr-YFQNCP-DArg-G(Mpr and Cys bridge); 1-(3-Mercaptopropanoic acid)-8-D-arginine-9-glycine-vasopressin; Glycine, N-(3-mercapto-1-oxopropyl)-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-D-arginyl-, cyclic (1→5)-disulfide; Desmopressin EP Impurity C (9-Glycine); [Gly9-OH]-Desmopressin; Desmopressin EP Impurity C; deamino-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-D-Arg-Gly-OH (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-D-arginyl-glycine (1->6)-disulfide; 9-Gly Desmopressin; Gly9-OH-Desmopressin; Mpa-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparginyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide] (disulphide bridges between Mpa1-Cys6); Desmopressin-Acid. Grade: ≥95%. CAS No. 160848-60-2. Molecular formula: C46H63N13O13S2. Mole weight: 1070.21. | |
| Acetylated penicilloic acid of piperacillin | An impurity of Piperacillin, which is a broad-spectrum antibiotic used to treat serious, hospital-acquired infections in combination with the beta lactamase inhibitor tazobactam. Synonyms: (2R,4S)-3-Acetyl-2-{(1R)-carboxy[(2R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido]methyl}-5,5-dimethylthiazolidine-4-carboxylic acid; (2R,4S)-3-Acetyl-2-[(R)-carboxy-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid; Glycine, (2R)-N-[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]-2-phenylglycyl-2-[(2R,4S)-3-acetyl-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-, (2R)-; (2R)-N-((4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl)-2-((2R)-phenylglycyl)-2-((2R,4S)-3-acetyl-4-carboxy-5,5-dimethyl-2-thiazolidinyl)glycine; Piperacillin Impurity 19; Piperacillin (Open Ring); N-Acetyl Piperacillin Penicilloic Acid Isomer 1. Grade: ≥95%. CAS No. 1706671-50-2. Molecular formula: C25H31N5O9S. Mole weight: 577.61. | |
| Amoxycilloic Acid Sodium Salt | Amoxycilloic Acid Sodium Salt is an impurity of Amoxicillin, which is an antibiotic used to treat a number of bacterial infections including middle ear infections, strep throat, pneumonia, skin infections, and urinary tract infections. Synonyms: Glycine, (2R)-2-(4-hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-, (2R)-, Sodium Salt (1:1); (2R)-(2R)-2-(4-Hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycine Sodium Salt; Glycine, D-2-(4-carboxy-5,5-dimethyl-2-thiazolidinyl)-N-[D-2-(4-hydroxyphenyl)glycyl]-, (2R-trans)-, Sodium Salt; Amoxipenicilloic acid Sodium Salt; (2R-trans)-D-2-(4-Carboxy-5,5-dimethyl-2-thiazolidinyl)-N-[D-2-(4-hydroxyphenyl)glycyl]glycine Sodium Salt; Sodium amoxicilloate; Amoxicilloic acid sodium salt; 2-Thiazolidineacetic acid, α-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-4-carboxy-5,5-dimethyl-, sodium salt, (αR,2R,4S)- (1:1). Grade: 95%. Molecular formula: C16H20N3NaO6S. Mole weight: 405.40. | |
| Amoxycilloic Acid Trimer | Amoxycilloic Acid Trimer is an impurity of Amoxicillin, which is an antibiotic used to treat a number of bacterial infections including middle ear infections, strep throat, pneumonia, skin infections, and urinary tract infections. Synonyms: Amoxicillin EP Impurity N; (2R,4S,2'R,4'S,2''R,4''S)-2,2',2''-[(1R,4R,7R,10R,13R,16R)-16-Amino-1-carboxy-4,10,16-tris(4-hydroxyphenyl)-3,6,9,12,15-pentaoxo-2,5,8,11,14-pentaazahexadecane-1,7,13-triyl]tris(5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid); (2R)-(2R)-2-(4-Hydroxyphenyl)glycyl-(2R)-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycyl-(2R)-2-(4-hydroxyphenyl)glycyl-(2R)-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycyl-(2R)-2-(4-hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycine; 2-Thiazolidineacetic acid, α-[[(2R,5R,8R,11R,14R)-14-amino-5,11-bis[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-2,8,14-tris(4-hydroxyphenyl)-1,4,7,10,13-pentaoxo-3,6,9,12-tetraazatetradec-1-yl]amino]-4-carboxy-5,5-dimethyl-, (αR,2R,4S)-. Grade: ≥95%. CAS No. 210289-73-9. Molecular formula: C48H59N9O16S3. Mole weight: 1114.23. | |
| Anagrelide USP Related Compound A | An impurity of Anagrelide, a medication used to treat essential thrombocytosis or overproduction of blood platelets. Synonyms: Ethyl 2-(6-amino-2,3-dichlorobenzylamino)acetate; Anagrelide hydrochloride USP Related Compound A; Glycine, N-[(6-amino-2,3-dichlorophenyl)methyl]-, ethyl ester; Anagrelide Related Compound A; N-[(6-Amino-2,3-dichlorophenyl)methyl]glycine ethyl ester; USP Anagrelide Related Impurity A; Ethyl N-(2,3-dichloro-6-aminobenzyl)glcycine; Ethyl (2-amino-5,6-dichlorobenzyl)aminoacetate; Ethyl N-(6-amino-2,3-dichlorobenzyl)glycine; N-(6-Amino-2,3-dichlorobenzyl)glycine ethyl ester. Grade: ≥95%. CAS No. 70406-92-7. Molecular formula: C11H14Cl2N2O2. Mole weight: 277.15. | |
| Anagrelide USP Related Compound A hydrochloride | An impurity of Anagrelide, a medication used to treat essential thrombocytosis or overproduction of blood platelets. Synonyms: Ethyl 2-(6-amino-2,3-dichlorobenzylamino)acetate hydrochloride; Anagrelide hydrochloride USP Related Compound A hydrochloride; Glycine, N-[(6-amino-2,3-dichlorophenyl)methyl]-, ethyl ester, hydrochloride (1:x); Anagrelide Related Compound A hydrochloride; Anagrelide Related Compound A HCl; N-[(6-Amino-2,3-dichlorophenyl)methyl]glycine Ethyl Ester Hydrochloride; USP Anagrelide Related Impurity A hydrochloride. Grade: ≥95%. CAS No. 85325-12-8. Molecular formula: C11H14Cl2N2O2.xHCl. Mole weight: 277.15 (free base). | |
| (Arg8)-Vasopressin (free acid) | Gly-OH-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Gly 9-Vasopressin; Arg-Vasopressin-Acid; Gly-OH Vasopressin; L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-arginyl-glycine (1->6)-disulfide; Gly-OH Argipressin; Vasopressin, 8-L-arginine-9-glycine-; 8-L-Arginine-9-glycinevasopressin; (Arg8)-Vasopressinoic acid; [Arg8,Gly-OH9]vasopressin; Vasopressinoic acid; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-OH (Disulfide bridge: Cys1-Cys6); Gly-OH-AVP. Grade: ≥95%. CAS No. 25255-33-8. Molecular formula: C46H64N14O13S2. Mole weight: 1085.23. | |
| [Asp5,Gly9-OH]-Atosiban | An impurity of Atosiban. Atosiban is a synthetic peptide that acts as a selective oxytocin receptor antagonist, primarily used to delay preterm labor in pregnant women. Synonyms: Mpr-DTyr(Et)-Ile-Thr-Asp-Cys-Pro-Orn-Gly(Mpr1&Cys6 bridge); deamino-Cys-D-Tyr(Et)-Ile-Thr-Asp-Cys-Pro-Orn-Gly (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-alpha-aspartyl-L-cysteinyl-L-prolyl-L-ornithyl-glycine (1->6)-disulfide; [Asp5,Gly9]-Atosiban; Asp5,Gly9-Atosiban; Asp5 Gly9 Atosiban; Asp5,Gly9-OH-Atosiban. Grade: ≥95%. CAS No. 2014351-17-6. Molecular formula: C43H65N9O14S2. Mole weight: 996.16. | |
| Asp8,Gly12-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Lys-Gly(Cys4&Cys9 bridge); [8-L-aspartic acid,12-glycine]terlipressin; Terlipressin EP Impurity L; H-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Lys-Gly-OH (Disulfide bridge: Cys4-Cys9); Glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-α-aspartyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycine (4->9)-disulfide; GGGCYFQDCPKG(Cys4&Cys9 bridge); [Asp8, Gly12]-Terlipressin; Terlipressin Impurity L; [Asp(8), Gly(12)]-Terlipressin [Asp(8)-TLY-COOH]. Grade: ≥95%. Molecular formula: C52H72N14O17S2. Mole weight: 1229.35. | |
| Cyclosporin A-Derivative 1 Free base | Cyclosporin A-Derivative 1 Free base is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: Cyclosporin A open ring; N-Methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycine Methyl Ester; Cyclosporin A-Derivative 1 (Free base); Cyclosporin A seco(MeGly-MeLeu) Methyl Ester; Leu-Val-Leu-Ala-{d-Ala}-Leu-Leu-Val-{Aaa}-{Abu}-{Sar}; LVLA-{d-Ala}-LLV-{Aaa}-{Abu}-{Sar}. Grade: ≥95%. CAS No. 286852-20-8. Molecular formula: C65H117N11O14. Mole weight: 1276.69. | |
| Cyclosporin A-Derivative 2 | Cyclosporin A-Derivative 2 is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: L-Valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycine Methyl Ester; Des(N-Methyl-leucyl) Cyclosporin A seco(MeGly-MeLeu) Methyl Ester; Glycine, L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-, methyl ester. Grade: ≥95%. CAS No. 156047-45-9. Molecular formula: C58H104N10O13. Mole weight: 1149.51. | |
| D-(-)-2-Phenylglycine | D-(-)-2-Phenylglycine is the derivative of glycine, a non-essential amino acid for human development. Glycine is an inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors. It is also an impurity of Ampicillin and Cefaclor. Synonyms: Ampicillin EP Impurity L; Cefaclor EP Impurity A; (-)-(R)-Phenylglycine; (-)-Phenylglycine; (2R)-Amino-2-phenylethanoic Acid; (R)-(-)-2-Phenylglycine; (R)-2-Amino-2-phenylacetic Acid; (R)-2-Amino-2-phenylethanoic Acid; (R)-2-Phenyl-2-aminoethanoic Acid; (R)-2-Phenylglycine; (R)-2-Phenylglycine. Grade: ≥ 99% (Assay). CAS No. 875-74-1. Molecular formula: C8H9NO2. Mole weight: 151.17. | |
| Dabigatran Impurity 40 | Dabigatran Impurity 40 is an impurity of Dabigatran, an anticoagulant used to treat and prevent blood clots and to prevent stroke in people with atrial fibrillation. Synonyms: N-(2-Cyanophenyl)glycine. CAS No. 64377-71-5. Molecular formula: C9H8N2O2. Mole weight: 176.18. | |
| Des-1,2-Diglycine-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2(Cys2&Cys7 bridge); N-Gly-8-lys-vasopressin; N-Glycyl-8-lysine vasopressin; GCYFQNCPKG-NH2(Cys2&Cys7 bridge); H-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2 (Disulfide bridge: Cys2-Cys7); Glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (2->7)-disulfide; Terlipressin EP Impurity B; Des-1,2-diglycine-terlipressin; Vasopressin, 1-(N-glycylcysteine)-8-lysine; Nα-[Glycyl-Cys]1-[8-Lysine]-vasopressin; N-Glycyl-8-L-lysine-vasopressin; Terlipressin Impurity B. Grade: ≥95%. CAS No. 4235-50-1. Molecular formula: C48H68N14O13S2. Mole weight: 1113.27. | |
| Des-1-Gly-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2(Cys3&Cys8 bridge); N-(N-Glycylglycyl)-8-L-lysine-vasopressin; Vasopressin, 1-(Glycylglycylcysteine)-8-lysine; Nα-Gly-Gly-8-Lys-vasopressin; GGCYFQNCPKG-NH2(Cys3&Cys8 bridge); N-(N-Gly-Gly)-8-Lys-vasopressin; Triglycyl-desglycine amide lysine vasopressin; N-(N-Glycylglycyl)-8-lysine vasopressin; H-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2 (Disulfide bridge: Cys3-Cys8); Glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (3->8)-disulfide; Terlipressin EP Impurity A; Des-1-glycine-terlipressin; des (Gly(1)-Terlipressin. Grade: ≥95%. CAS No. 14943-47-6. Molecular formula: C50H71N15O14S2. Mole weight: 1170.33. | |
| Des-(32,31)-Thr,Pro Calcitonin Acid | Des-(32,31)-Thr,Pro Calcitonin Acid is an impurity of Calcitonin salmon, which is a calcium regulating hormone used to be an effective alternative for the treatment of postmenopausal osteoporosis. Synonyms: Des(32,31)-Thr,Pro-OH Calcitonin; H-Cys-Ser-Asn-Leu-Ser-Thr-Cys-Val-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-OH (Disulfide bond between Cys1 and Cys7); L-cysteinyl-L-seryl-L-asparagyl-L-leucyl-L-seryl-L-threonyl-L-cysteinyl-L-valyl-L-leucyl-glycyl-L-lysyl-L-leucyl-L-seryl-L-glutaminyl-L-alpha-glutamyl-L-leucyl-L-histidyl-L-lysyl-L-leucyl-L-glutaminyl-L-threonyl-L-tyrosyl-L-prolyl-L-arginyl-L-threonyl-L-asparagyl-L-threonyl-glycyl-L-seryl-glycine (1->7)-disulfide. Molecular formula: C136H225N41O46S2. Mole weight: 3234.66. | |
| Des(N-Methyl-leucyl), Leucyl Cyclosporin A seco(MeGly-MeLeu) Carboxylic Acid | Des(N-Methyl-leucyl), Leucyl Cyclosporin A seco(MeGly-MeLeu) Carboxylic Acid is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycine. Molecular formula: C63H113N11O14. Mole weight: 1248.64. | |
| Des(N-Methyl-leucyl), N-tert Butyloxycarbonyl-leucyl Cyclosporin A seco(MeGly-MeLeu) Carboxylic Acid | Des(N-Methyl-leucyl), N-tertButyloxycarbonyl-leucyl Cyclosporin A seco(MeGly-MeLeu) Carboxylic Acid is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: N-[(1,1-Dimethylethoxy)carbonyl]-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycine. Molecular formula: C68H121N11O16. Mole weight: 1348.75. | |
| Des(N-Methyl-leucyl), N-tert Butyloxycarbonyl-leucyl Cyclosporin A seco(MeGly-MeLeu) Methyl Ester | Des(N-Methyl-leucyl), N-tertButyloxycarbonyl-leucyl Cyclosporin A seco(MeGly-MeLeu) Methyl Ester is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: N-[(1,1-Dimethylethoxy)carbonyl]-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycine Methyl Ester. Molecular formula: C69H123N11O16. Mole weight: 1362.78. | |
| Dicloxacillin Degradation Impurity (DCMICAA) | Dicloxacillin impurity. Synonyms: N-[[3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolyl]carbonyl]glycine. Grade: > 95%. CAS No. 883225-99-8. Molecular formula: C13H10Cl2N2O4. Mole weight: 329.14. | |
| (D-Trp6)-LHRH (free acid) | An impurity of Triptorelin and a luteinizing hormone-releasing hormone (LHRH) agonist. Synonyms: pGlu-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly; Luteinizing hormone-releasing factor (swine), 6-D-tryptophan-10-glycine- (9CI). Grade: 98%. CAS No. 129418-54-8. Molecular formula: C64H81N17O14. Mole weight: 1312.43. | |
| Endo-Gly-AVP | Endo-Gly-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Di-Gly-Argipressin; Endo-Gly-Vasopressin; Vasopressin, 8-L-arginine-8a-endo-glycine-; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-Gly-NH2 (Disulfide bridge: Cys1-Cys6); L-Cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-arginylglycyl-glycinamide (1->6)-disulfide; Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-Gly-NH2(Cys1&Cys6 bridge); CYFQNCPRGG-NH2(Cys1&Cys6 bridge). Grade: ≥95%. CAS No. 77403-94-2. Molecular formula: C48H68N16O13S2. Mole weight: 1141.29. | |
| Felbamate Dimer Impurity | An impurity of Felbamate. Felbamate is an anticonvulsant, acting as an antagonist at the NMDA-associated glycine binding site. Synonyms: 3,3'-Carbonylbis(oxy)bis(2-phenylpropane-3,1-diyl) Dicarbamate. Grade: > 95%. CAS No. 1796927-91-7. Molecular formula: C21H24N2O7. Mole weight: 416.43. | |
| Felbamate Ethyl Impurity | An impurity of Felbamate. Felbamate is an anticonvulsant, acting as an antagonist at the NMDA-associated glycine binding site. Synonyms: Ethylfelbamate; 2-Ethyl-2-phenyl-1,3-propanediol Dicarbamate. Grade: > 95%. CAS No. 53054-24-3. Molecular formula: C13H18N2O4. Mole weight: 266.30. | |
| Felbamate Isopropyl Impurity | An impurity of Felbamate. Felbamate is an anticonvulsant, acting as an antagonist at the NMDA-associated glycine binding site. Synonyms: Isopropylfelbamate. Grade: > 95%. Molecular formula: C14H20N2O4. Mole weight: 280.33. | |
| Felbamate Methyl Impurity | An impurity of Felbamate. Felbamate is an anticonvulsant, acting as an antagonist at the NMDA-associated glycine binding site. Synonyms: Methylfelbamate; 2-Methyl-2-phenyl-1,3-propanediol Dicarbamate; 2-methyl-2-phenyltrimethylene Ester Carbamic Acid. Grade: > 95%. CAS No. 22131-25-5. Molecular formula: C12H16N2O4. Mole weight: 252.27. | |
| [Glu(4)-Gly-OH]-AVP | [Glu(4)-Gly-OH]-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Glu(4)-Gly-OH-Vasopressin; H-Cys-Tyr-Phe-Glu-Asn-Cys-Pro-Arg-Gly-OH (Disulfide bridge: Cys1-Cys6); L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-α-glutamyl-L-asparagyl-L-cysteinyl-L-prolyl-L-arginyl-glycine (1->6)-disulfide. Molecular formula: C46H63N13O14S2. Mole weight: 1086.21. | |
| Glu7,Gly12-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Gly-Cys-Tyr-Phe-Glu-Asn-Cys-Pro-Lys-Gly(Cys4&Cys9 bridge); [7-L-glutamic acid,12-glycine]terlipressin; Terlipressin EP Impurity K; GGGCYFENCPKG(Cys4&Cys9 bridge); H-Gly-Gly-Gly-Cys-Tyr-Phe-Glu-Asn-Cys-Pro-Lys-Gly-OH (Disulfide bridge: Cys4-Cys9); Glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-α-glutamyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycine (4->9)-disulfide; [Glu(7), Gly(12)]-Terlipressin [Glu(7)-TLY-COOH]; [Glu7, Gly12]-Terlipressin. Grade: ≥95%. Molecular formula: C52H72N14O17S2. Mole weight: 1229.35. | |
| Gly12-OEt-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-OEt(Cys4&Cys9 bridge); [12-Glycine]terlipressin ethyl ester; Terlipressin EP Impurity J; H-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-OEt (Disulfide bridge: Cys4-Cys9); Glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycine ethyl ester (4->9)-disulfide; [Gly12-OEt]-Terlipressin; Gly-OEt(12)-Terlipressin; GGGCYFQNCPKG-OEt(Cys4&Cys9 bridge); [Gly12]-Terlipressin ethyl ester. Grade: ≥95%. Molecular formula: C54H77N15O16S2. Mole weight: 1256.42. | |
| Gly12-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly(Cys4&Cys9 bridge); [12-Glycine]terlipressin; Terlipressin EP Impurity I; GGGCYFQNCPKG(Cys4&Cys9 bridge); H-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-OH (Disulfide bridge: Cys4-Cys9); Glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycine (4->9)-disulfide; [Gly12]-Terlipressin; Gly(12)-Terlipressin; Acid Terlipressin [TLY-COOH]. Grade: ≥95%. Molecular formula: C52H73N15O16S2. Mole weight: 1228.37. | |
| Gly9-Carbetocin | An impurity of Carbetocin. Carbetocin is a long-acting analogue of the hormone oxytocin, used primarily to control postpartum hemorrhage and to induce uterine contractions. Synonyms: cyclo(Butyryl-Tyr(Me)-Ile-Gln-Asn-Cys)-Pro-Leu-Gly; cyclo(Butyryl-Tyr(Me)-IQNC)-PLG; Glycine, N-(4-mercapto-1-oxobutyl)-O-methyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-leucyl-, cyclic (1→5)-thioether; Gly-9-Carbetocin Acid; Carbetocin Impurity 39; Carbetocin Acid impurity; But-Tyr(Me)-Ile-Gln-Asn-Cys-Pro-Leu-Gly-OH (Thioether bridge: But1-Cys6); Butyryl-O-methyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-leucyl-glycine (1->6)-thioether; [Gly9]-Carbetocin; Gly(9)-Carbetocin; [Gly9OH] Carbetocin; Carbetocin Impurity 1; [Gly9-OH] Carbetocin; [Gly-OH]9 Carbetocin. Grade: ≥95%. CAS No. 1352167-71-5. Molecular formula: C45H68N10O13S. Mole weight: 989.16. | |
| [Gly9-OH]-Atosiban | An impurity of Atosiban. Atosiban is a synthetic peptide that acts as a selective oxytocin receptor antagonist, primarily used to delay preterm labor in pregnant women. Synonyms: Mpr-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly(Mpr1&Cys6 bridge); Atosiban (free acid); (Deamino-Cys1,D-Tyr(Et)2,Thr4,Orn8)-Oxytocin (free acid); 3-Mercaptopropionyl-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly-OH (Disulfide bond); deamino-Cys-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly-OH (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparagyl-L-cysteinyl-L-prolyl-L-ornithyl-glycine (1->6)-disulfide; Glycine, O-ethyl-N-(3-mercapto-1-oxopropyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithyl-, cyclic (1→5)-disulfide; Gly9-Atosiban; [Gly9]-Atosiban; Gly(9)-Atosiban. Grade: ≥95%. CAS No. 168102-69-0. Molecular formula: C43H66N10O13S2. Mole weight: 995.19. | |
| Lysipressin | Lysipressin is a synthetic analogue of the natural hormone vasopressin, originally discovered in pigs. It functions as an antidiuretic hormone and possesses both vasoconstrictive and antidiuretic properties. Synonyms: Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2(Cys1&Cys6 bridge); Des-(1-3)-terlipressin; CYFQNCPKG-NH2(Cys1&Cys6 bridge); Terlipressin EP Impurity C; Terlipressin Impurity C; Des-Gly1-Gly2 Gly3 Terlipressin; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2 (Disulfide bridge: Cys1-Cys6); L-Cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (1->6)-disulfide; Des-1,2,3-Triglycine-Terlipressin; 8-L-Lysinevasopressin; 3-(Phenylalanine)-8-lysine oxytocin; 8-L-Lysine vasopressin; L-Lysine vasopressin; [8-Lysine]vasopressin; Diapid; Glycinamide, L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-lysyl-, cyclic (1→6)-disulfide; L 8; Lypressin; Lysine pitressin; Lysine vasopressin; Lysine-ADH; Lysopressin; Lysylvasopressin; 3-(L-Phenylalanine)-8-L-lysine-oxytocin; Postacton; Syntopressin; Vasophysin; Vasopressin-8-lysine. Grade: 98%. CAS No. 50-57-7. Molecular formula: C46H65N13O12S2. Mole weight: 1056.22. | |
| Lysipressin Acetate | Lysipressin Acetate is a lysine vasopressin, which retains water in the body and constricts blood vessels. Synonyms: Vasopressin, 8-L-lysine-, monoacetate (salt); Des-(1-3)-terlipressin acetate salt; Terlipressin EP Impurity C acetate salt; Des-Gly1-Gly2 Gly3 Terlipressin acetate salt; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2.C2H4O2 (Disulfide bridge: Cys1-Cys6); L-Cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (1->6)-disulfide acetate salt; Des-1,2,3-Triglycine-Terlipressin acetate salt; 8-L-Lysine vasopressin acetate salt; L-Lysine vasopressin acetate salt; Vasopressin-8-lysine acetate salt. Grade: ≥95%. CAS No. 83968-49-4. Molecular formula: C48H69N13O14S2. Mole weight: 1116.27. | |
| Memantine Glycine tert-Butyl Ester | Memantine Glycine tert-Butyl Ester is a tert-butyl protected derivative of Memantine Glycine (M218015), an impurity of the antiparkinsonian and antispasmodic agent Memantine (M218000). Group: Biochemicals. Alternative Names: tert-Butyl 2-(((1r,3R,5S,7r)-3,5-dimethyladamantan-1-yl)amino)acetate. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| N-(2-Aminoethyl)-2-(benzylphenylamino)acetamide | N-(2-Aminoethyl)-2-(benzylphenylamino)acetamide is an impurity of Antazoline. Synonyms: N-Phenyl-N-Bzl-Gly-2-aminoethylamide; Bn-N(Ph)Gly-NHEtNH2; N-benzyl-N-phenyl-glycine 2-aminoethylamide; N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide; Antazoline related compound A [USP]; Acetamide, N-(2-aminoethyl)-2-(phenyl(phenylmethyl)amino)-; N-(2-Aminoethyl)-2-(N-benzyl-N-phenylamino)acetamide. Grade: 95%. CAS No. 26953-37-7. Molecular formula: C17H21N3O. Mole weight: 283.37. | |
| N-(2-Amino-ethyl)-2-(benzyl-phenyl-amino)-acetamide maleate | N-(2-Amino-ethyl)-2-(benzyl-phenyl-amino)-acetamide maleate is an impurity of Antazoline. Synonyms: N-Phenyl-N-Bzl-Gly-2-aminoethylamide maleate; N-(2-Aminoethyl)-N2-benzyl-N2-phenylglycinamide (2Z)-2-butenedioate (1:1); Bn-N(Ph)Gly-NHEtNH2 maleate; N-benzyl-N-phenyl-glycine 2-aminoethylamide maleate; N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide maleate; Antazoline related compound A [USP] maleate; Acetamide, N-(2-aminoethyl)-2-(phenyl(phenylmethyl)amino)-, maleate (1:1). Grade: 95%. CAS No. 1185241-40-0. Molecular formula: C21H25N3O5. Mole weight: 399.44. | |
| N-(4-Cyanophenyl)glycine | N-(4-Cyanophenyl)glycine is an impurity of Dabigatran, an anticoagulant used to treat and prevent blood clots and to prevent stroke in people with atrial fibrillation. Synonyms: [(4-cyanophenyl)amino]acetic acid; 2-(4-cyanoanilino)acetic acid; N-(p-Cyanophenyl)glycine. Grade: >98% by HPLC. CAS No. 42288-26-6. Molecular formula: C9H8N2O2. Mole weight: 176.17. | |
| N-Acetylglycine | N-Acetyl-glycine is a derivative of Glycine. It is an intermediate used to synthesize rac 3-O-Methyl DOPA which is an impurity of Levodopa. Group: Biochemicals. Alternative Names: Aceturic Acid; 2-(Acetylamino)acetic Acid; 2-Acetamidoacetic Acid; 86: PN: WO2006125227 FIGURE: 1 claimed protein; Acetamidoacetic Acid; Acetylaminoacetic Acid; Acetylglycine; Acetylglycocoll; Ethanoylaminoethanoic Acid; N-Acetylglycine; NSC 7605. Grades: Highly Purified. CAS No. 543-24-8. Pack Sizes: 100g, 250g, 500g, 1Kg. Molecular Formula: C?H?NO?, Molecular Weight: 117.1. US Biological Life Sciences. | Worldwide |
| Phenylacetylglycine | An impurity of Penicillin G which is an antibacterial drug and acts through the inhibition of biosynthesis of cell-wall mucopeptide. Synonyms: N-(Phenylacetyl)glycine; Phenaceturic Acid; N-Phenacetylglycine; NSC 408424; NSC 92778; Phenacetylglycine. Grade: ≥ 99% (HPLC). CAS No. 500-98-1. Molecular formula: C10H11NO3. Mole weight: 193.2. | |
| (R)-2-amino-5-(((R)-1-((carboxymethyl)amino)-3-mercapto-1-oxopropan-2-yl)amino)-5-oxopentanoic acid | One of the impurities of Glutathione. Glutathione (GSH) is an endogenous antioxidant which plays a major role in reducing reactive oxygen species formed during cellular metabolism and the respiratory burst. Synonyms: Glycine, N-(N-D-γ-glutamyl-L-cysteinyl)-; Glutathione Impurity 08. CAS No. 108457-42-7. Molecular formula: C10H17N3O6S. Mole weight: 307.32. | |
| S(+)-N-(2-(2-Thienyl)ethyl)-2-chlorophenyl Glycine Methyl Ester Hydrochloride | S(+)-N-(2-(2-Thienyl)ethyl)-2-chlorophenyl Glycine Methyl Ester Hydrochloride is an impurity from Clopidogrel (C587250) which acts as an anti-platelet agent. Group: Biochemicals. Alternative Names: (α S) -2-Chloro-α - [ [2- (2-thienyl) ethyl] amino] benzeneacetic Acid Methyl Ester Hydrochloride; (S) -2-chloro-α - [ [2- (2-thienyl) ethyl] amino] benzeneacetic Acid Methyl Ester Hydrochloride; (α S) -2-Chloro-α - [ [2- (2-thienyl) ethyl] amino] benzeneacetic Acid Methyl Ester Hydrochloride; (+)-(S)-Methyl α-[[2-(2-Thienyl)ethyl]amino]-α-(2-chlorophenyl)acetate Hydrochloride; (S)-(+)-Methyl α-[[2-(Thien-2-yl)ethyl]amino]-α-(2-chlorophenyl)acetate Hydrochloride. Grades: Highly Purified. CAS No. 141109-19-5. Pack Sizes: 250mg. US Biological Life Sciences. | Worldwide |
| 1,3-dimethyl-1H-indazol-6-amine | 1,3-dimethyl-1H-indazol-6-amine is an impurity in the synthesis of Pazopanib (P210925) which is an oral angiogenesis inhibitor targeting VEGFR and PDGFR. It is used as a reagent in the preparation of glycinamide derivatives which are useful in production of drugs for preventing and treating diseases caused by S-adenosyl homocysteine hydrolase. Group: Biochemicals. Grades: Highly Purified. CAS No. 221681-92-1. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C9H11N3, Molecular Weight: 161.199999999999. US Biological Life Sciences. | Worldwide |
| (2R) ?- (2R) ?-?N-?[ (1, ?1-?Dimethylethoxy) ?carbonyl]?-?2-?phenylglycyl-?2-?phenyl-glycine Methyl Ester | (2R) ?- (2R) ?-?N-?[ (1, ?1-?Dimethylethoxy) ?carbonyl]?-?2-?phenylglycyl-?2-?phenyl-glycine Methyl Ester is an intermediate in synthesizing (3R,6R)-3,6-Diphenylpiperazine-2,5-dione (D492280), which can be utilized for self-assembly of aromatic cyclic dipeptides into nano- and mesosheets. It can also be used to develop HPLC methods that detect compounds or impurities related to ampicillin in bulk drug. Group: Biochemicals. Grades: Highly Purified. CAS No. 1609286-77-2. Pack Sizes: 250mg, 500mg. Molecular Formula: C22H26N2O5. US Biological Life Sciences. | Worldwide |
| [4-L-Glutamic acid]desmopressin | An impurity of Desmopressin. Desmopressin is a synthetic analogue of the hormone vasopressin, used to treat conditions such as central diabetes insipidus, nocturnal enuresis (bedwetting), and certain bleeding disorders like hemophilia A and von Willebrand disease. Synonyms: Mpr-Tyr-Phe-Glu-Asn-Cys-Pro-DArg-Gly-NH2(Mpr1&Cys6 bridge); Mpr-YFENCP-DArg-G-NH2(Mpr1&Cys6 bridge); Desmopressin EP Impurity B; deamino-Cys-Tyr-Phe-Glu-Asn-Cys-Pro-D-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-L-tyrosyl-L-phenylalanyl-L-alpha-glutamyl-L-asparagyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide (1->6)-disulfide; Glu4-Desmopressin; [Glu4]-Desmopressin; Glu(4)-Desmopressin; Glycinamide, N-(3-mercapto-1-oxopropyl)-L-tyrosyl-L-phenylalanyl-L-α-glutamyl-L-asparaginyl-L-cysteinyl-L-prolyl-D-arginyl-, cyclic (1→5)-disulfide; Mpa-L-tyrosyl-L-phenylalanyl-L-glutamyl-L-aspartyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide] (disulphide bridges between Mpa1-Cys6); [L-Glu(4)]-Desmopressin. Grade: ≥95%. Molecular formula: C46H63N13O13S2. Mole weight: 1070.21. | |
| [5-L-Aspartic acid]desmopressin | An impurity of Desmopressin. Desmopressin is a synthetic analogue of the hormone vasopressin, used to treat conditions such as central diabetes insipidus, nocturnal enuresis (bedwetting), and certain bleeding disorders like hemophilia A and von Willebrand disease. Synonyms: Mpr-Tyr-Phe-Gln-Asp-Cys-Pro-DArg-Gly-NH2(Mpr and Cys bridge); Mpr-YFQDCP-DArg-G-NH2(Mpr and Cys bridge); Desmopressin EP Impurity A; deamino-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-D-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-alpha-aspartyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide (1->6)-disulfide; Desmopressin Impurity A; Desmopressin EP Impurity A (5-L-Aspartic Acid); 5-L-Aspartic Acid Desmopressin; Asp5-Desmopressin; [Asp5]-Desmopressin; Asp(5)-Desmopressin; Mpa-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-aspartyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide] (disulphide bridges between Mpa1-Cys6); L-Asp(5)-Desmopressin. Grade: ≥95%. Molecular formula: C46H63N13O13S2. Mole weight: 1070.21. | |
| Ac-Asp(5)-AVP | Ac-Asp(5)-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Ac-Asp(5)-Vasopressin; N-Ac-Asp(5)-AVP; [Cys(Ac)1-Asp(5)]-Argipressin; Ac-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Acetyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-aspartyl-L-cysteinyl-L-prolyl-L-arginyl-glycinamide (1->6)-disulfide. CAS No. 2594426-06-7. Molecular formula: C48H66N14O14S2. Mole weight: 1127.26. | |
| Ac-AVP | Ac-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Vasopressin, N-acetyl-8-L-arginine-; Vasopressin, 1-(N-acetyl-L-cysteine)-8-arginine; Vasopressin, 8-acetylarginine; 1-Acetylcysteine-8-arginine-vasopressin; N-Acetyl-Vasopressin; N-acetyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-arginyl-glycinamide (1->6)-disulfide; Ac-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Ac-Vasopressin; N-Acetyl-8-L-argininevasopressin. CAS No. 38106-69-3. Molecular formula: C48H67N15O13S2. Mole weight: 1126.28. | |
| Ac-Gly1-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Ac-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2(Cys4&Cys9 bridge); N1-Acetylterlipressin; Ac-GGGCYFQNCPKG-NH2(Cys4&Cys9 bridge); Terlipressin EP Impurity D; Ac-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2 (Disulfide bridge: Cys4-Cys9); N-Acetyl-glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (4->9)-disulfide; [Ac-Gly1]Terlipressin; Terlipressin Impurity D; N-Terminal acetyl Terlipressin [Ac-TLY]. Grade: ≥95%. Molecular formula: C54H76N16O16S2. Mole weight: 1269.42. | |
| Ac-Oxytocin | Ac-Oxytocin is an impurity of Oxytocin, which is a mammalian neurohypophysial hormone used as a vasodilator agent. Synonyms: N2.1-Acetyloxytocin; Acetyl-L-cystyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparginyl-L-cystyl-L-leucyl-L-prolyl-L-glycinamide (disulfide bridge between cysteines); Cys(Ac)-Oxytocin; Ac-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Oxytocin, N-acetyl-; N(alpha)-Acetyloxytocin; N-Acetyloxytocin; Oxytocin, 1-(N-acetylcysteine); Oxytocin EP Impurity E; Ac-CYIQNCPLG-NH2(Cys1&Cys6 bridge). Grade: ≥95%. CAS No. 10551-48-1. Molecular formula: C45H68N12O13S2. Mole weight: 1049.23. | |
| Ala (3-CN)5-Oxytocin | Ala (3-CN)5-Oxytocin is an impurity of Oxytocin, which is a mammalian neurohypophysial hormone used as a vasodilator agent. Synonyms: [5-(3-Cyanoalanine)]oxytocin; [Ala(3-CN)5] Oxytocin; L-Cystyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-β-3-cyano-alanyl-L-cystyl-L-leucyl-L-prolyl-L-glycinamide (disulfide bridge between cysteines); Oxytocin, 5-(3-cyano-L-alanine)-; H-Cys-Tyr-Ile-Gln-Ala(3-CN)-Cys-Pro-Leu-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Oxytocin EP Impurity F; 5-(3-Cyano-L-alanine)oxytocin. Grade: ≥95%. CAS No. 87590-89-4. Molecular formula: C43H64N12O11S2. Mole weight: 989.18. | |
| Anagrelide Impurity 2 | A metabolite of Anagrelide. Synonyms: Ethyl 2-(6-Nitro-2,3-dichlorobenzyl)glycine. Grade: > 95%. CAS No. 85325-11-7. Molecular formula: C11H12Cl2N2O4. HCl. Mole weight: 307.14 36.46. | |
| Antiparallel Dimer-AVP | Antiparallel Dimer-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Anti-Parallel Dimer-Vasopressin; H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2.H-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6', Cys1'-Cys6); 2[L-cystyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparginyl-L-cystyl-L-prolyl-L-arginyl-glycinamide] (inter-disulfide bridges between 1,6' and 1',6 cysteines). Molecular formula: C92H130N30O24S4. Mole weight: 2168.48. | |
| Antiparallel Dimer Oxytocin | Antiparallel Dimer Oxytocin is an impurity of Oxytocin, which is a mammalian neurohypophysial hormone used as a vasodilator agent. Synonyms: Oxytocin EP Impurity B; 2[L-Cystyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparginyl-L-cystyl-L-leucyl-L-prolyl-L-glycinamide] (Inter-disulfide bridges between 1,6' and 1'6 cysteines); Oxytocin antiparallel dimer; β-Oxytocin dimer; Glycinamide, L-cysteinyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-leucyl-, bimol. cyclic (1→6'),(6→1')-bis(disulfide); L-Cysteinyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide (1->6'),(6->1')-bis(disulfide) compound with L-cysteinyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide; H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2.H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 (Disulfide bridge: Cys1-Cys6', Cys1'-Cys6); beta-Oxytocin Dimer; Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2(Cys A1&Cys B6; Cys A6&Cys B1 disulfide bridge); CYIQNCPLG-NH2(Cys A1&Cys B6; Cys A6&Cys B1 disulfide bridge). Grade: ≥95%. CAS No. 20054-93-7. Molecular formula: C86H132N24O24S4. Mole weight: 2014.39. | |
| Asn(Acm)-Desmopressin | Asn(Acm)-Desmopressin is an impurity of Desmopressin, which is a synthetic octapeptide and an analog of the human hormone arginine vasopressin with antidiuretic and coagulant activities. Synonyms: Deamino-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl(Acm)-L-cysteinyl-L-prolyl-D-arginyl-glycinamide (1->6)-disulfide; deamino-Cys-Tyr-Phe-Gln-Asn(Acm)-Cys-Pro-D-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Mpr-Tyr-Phe-Gln-Asn(Acm)-Cys-Pro-D-Arg-Gly-NH2 (Disulfide Bridge Mpr1-Cys6); [Asn(Acm)]5-Desmopressin; Asn5(Acm)-Desmopressin; N4.5-[(Acetylamino)methyl]desmopressin; Desmopressin EP Impurity F. Grade: ≥95%. Molecular formula: C49H69N15O13S2. Mole weight: 1140.30. | |
| Asp5-Atosiban | An impurity of Atosiban. Atosiban is a synthetic peptide that acts as a selective oxytocin receptor antagonist, primarily used to delay preterm labor in pregnant women. Synonyms: Mpr-DTyr(Et)-Ile-Thr-Asp-Cys-Pro-Orn-Gly-NH2(Mpr1&Cys6 bridge); deamino-Cys-D-Tyr(Et)-Ile-Thr-Asp-Cys-Pro-Orn-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-alpha-aspartyl-L-cysteinyl-L-prolyl-L-ornithyl-glycinamide (1->6)-disulfide; [Asp5]-Atosiban; Asp(5)-Atosiban. Grade: ≥95%. CAS No. 2014351-16-5. Molecular formula: C43H66N10O13S2. Mole weight: 995.18. | |
| Asp(5)-AVP | Asp(5)-AVP is an impurity of Vasopressin, which is an antidiuretic hormone secreted from the posterior pituitary. Synonyms: Asp5-AVP; Asp(5)-Arg-Vasopressin; Asp(5)-Vasopressin; Vasopressin, 5-L-aspartic acid-8-L-arginine-; H-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge: Cys1-Cys6); L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-aspartyl-L-cysteinyl-L-prolyl-L-arginyl-glycinamide (1->6)-disulfide. CAS No. 78031-79-5. Molecular formula: C46H64N14O13S2. Mole weight: 1085.22. | |
| Asp 5-Oxytocin | Asp 5-Oxytocin is an impurity of Oxytocin, which is a mammalian neurohypophysial hormone used as a vasodilator agent. Synonyms: [5-Aspartic acid]oxytocin; L-Cystyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-aspartyl-L-cystyl-L-leucyl-L-prolyl-L-glycinamide (disulfide bridge between cysteines); H-Cys-Tyr-Ile-Gln-Asp-Cys-Pro-Leu-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Oxytocin, 5-L-aspartic acid-; [5-Aspartic acid]-oxytocin; L-Cysteinyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-alpha-aspartyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide (1->6)-disulfide; [Asp5]-Oxytocin; Oxytocin EP Impurity I; 5-L-Aspartic acid-oxytocin; 5-Asp-oxytocin; Asp5-Oxytocin; Asp5-Oxytocin; CYIQDCPLG-NH2(Cys1&Cys6 bridge); Cys-Tyr-Ile-Gln-Asp-Cys-Pro-Leu-Gly-NH2(Cys1&Cys6 bridge). Grade: ≥95%. CAS No. 65907-78-0. Molecular formula: C43H65N11O13S2. Mole weight: 1008.18. | |
| Asp8-Terlipressin | An impurity of Terlipressin. Terlipressin is a synthetic vasopressin analogue primarily used to improve kidney function in adults with hepatorenal syndrome (HRS), a condition that causes kidney problems in individuals with severe liver disease. It acts as a vasoconstrictor, predominantly in the splanchnic circulation, which helps increase arterial pressure and reduce portal venous pressure. Synonyms: Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Lys-Gly-NH2(Cys4&Cys9 bridge); α-Asp(8)-Terlipressin; GGGCYFQDCPKG-NH2(Cys4&Cys9 bridge); N-[N-(N-Glycylglycyl)glycyl]-5-L-aspartic acid-8-L-lysine-vasopressin; Terlipressin EP Impurity H; [8-L-α-aspartic acid]terlipressin; H-Gly-Gly-Gly-Cys-Tyr-Phe-Gln-Asp-Cys-Pro-Lys-Gly-NH2 (Disulfide bridge: Cys4-Cys9); Glycyl-glycyl-glycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-α-aspartyl-L-cysteinyl-L-prolyl-L-lysyl-glycinamide (4->9)-disulfide; [Asp8]-Terlipressin; Asp(8)-Terlipressin. Grade: ≥95%. CAS No. 159594-68-0. Molecular formula: C52H73N15O16S2. Mole weight: 1228.37. | |
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