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| Product | Description | |
|---|---|---|
| (S)-Sitagliptin N-Boc-Acid Impurity | (S)-Sitagliptin N-Boc-Acid Impurity is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: Sitagliptin Impurity 41; Boc-(S)-3-Amino-4-(2,4,5-trifluorophenyl)butyric Acid; (βS)?-β-[[(1,?1-Dimethylethoxy)?carbonyl]?amino]?-2,?4,?5-trifluoro-benzenebutanoic Acid; (S)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic acid. Grade: >95%. CAS No. 922178-94-7. Molecular formula: C15H18F3NO4. Mole weight: 333.3. |  |
| 10-Methyl-7-(2-hydroxy-3-N-Boc-3-phenylpropionyl) Docetaxel | 10-Methyl-7-(2-hydroxy-3-N-Boc-3-phenylpropionyl) Docetaxel is an impurity of Docetaxel, which is a semisynthetic derivative of Paclitaxel used to treat a variety of cancers, including breast, head and neck, stomach, prostate, and non-small cell lung cancer. Synonyms: (2α,5β,7β,10β,13α)-4-Acetoxy-1-hydroxy-7,13-bis{[(2R,3S)-2-hydroxy-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-3-phenylpropanoyl]oxy}-10-methoxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate; Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-6-methoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxete-4,9-diyl ester, (αR,βS)-. Molecular formula: C58H72N2O18. Mole weight: 1085.19. | |
| 1-N-Boc-2-piperidone | An impurity of Apixaban, a direct factor Xa inhibitor used as an anticoagulant for the prevention of venous thromboembolism and stroke in atrial fibrillation. Synonyms: 1-Piperidinecarboxylic acid, 2-oxo-, 1,1-dimethylethyl ester; 1,1-Dimethylethyl 2-oxopiperidine-1-carboxylate; 1-(tert-Butoxycarbonyl)-2-piperidone; 1-N-tert-Butoxycarbonyl-2-piperidone; 2-Oxopiperidine-1-carboxylic acid tert-butyl ester; 6-Oxopiperidine-1-carboxylic acid tert-butyl ester; N-Boc-2-piperidone; N-Boc-δ-valerolactam; N-tert-Butoxycarbonyl-2-piperidinone. Grade: ≥95%. CAS No. 85908-96-9. Molecular formula: C10H17NO3. Mole weight: 199.25. | |
| (1S, 3S, 5S)-2-Boc-2-azabicyclo[3. 1. 0]hexane-3-carboxylic Acid | (1S, 3S, 5S)-2-Boc-2-azabicyclo[3. 1. 0]hexane-3-carboxylic Acid is an impurity of Saxagliptin (S143500), which is a potent and selective reversible inhibitor of dipeptidyl peptidase-4, which is being developed for the treatment of type 2 diabetes. It is absorbed rapidly after oral administration and has a pharmacokinetic profile compatible with once daily dosing. Group: Biochemicals. Grades: Highly Purified. CAS No. 197142-36-2. Pack Sizes: 10mg, 100mg. Molecular Formula: C11H17NO4, Molecular Weight: 227.26. US Biological Life Sciences. |  Worldwide |
| 2-Amino-5,6-dichloro-3(4H)-quinazolineacetic acid ethyl ester | An impurity of Anagrelide, a medication used to treat essential thrombocytosis or overproduction of blood platelets. Synonyms: Anagrelide impurity 2; 3(4H)-Quinazolineacetic acid, 2-amino-5,6-dichloro-, ethyl ester; Ethyl 2-amino-5,6-dichloro-3(4H)-quinazolineacetate; Anagrelide USP Related Compound C (free base); Ethyl 2-(5,6-dichloro-2-imino-1,2-dihydroquinazolin-3(4H)-yl)acetate. Grade: ≥95%. CAS No. 742010-46-4. Molecular formula: C12H13Cl2N3O2. Mole weight: 302.16. | |
| 3-(Boc-amino)piperidine | 3-(Boc-amino)piperidine is an impurity of Alogliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor in the class of oral antidiabetic drugs. Synonyms: Carbamic acid, N-3-piperidinyl-, 1,1-dimethylethyl ester; Carbamic acid, 3-piperidinyl-, 1,1-dimethylethyl ester; 3-(N-Boc-amino)piperidine; 3-(tert-Butoxycarbonylamino)piperidine; Piperidin-3-ylcarbamic acid tert-butyl ester; Piperidine-3-ylcarbamic acid tert-butyl ester; tert-Butyl piperidin-3-ylcarbamate. Grade: ≥95%. CAS No. 172603-05-3. Molecular formula: C10H20N2O2. Mole weight: 200.28. | |
| 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid | 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid is an impurity of Eltrombopag, a drug used in the treatment of thrombocytopenia (abnormally low platelet count) for severe aplastic anemia. Synonyms: 4'-Hydroxy-3'-nitro-3-biphenylcarboxylic acid. CAS No. 1097777-60-0. Molecular formula: C13H9NO5. Mole weight: 259.21. | |
| 4-Thiomorpholineacetic acid, 3-carboxy-5-oxo-, (3R)- | An impurity of Carbocisteine, which is a mucolytic that reduces the viscosity of sputum and so can be used to help relieve the symptoms of chronic obstructive pulmonary disorder (COPD) and bronchiectasis by allowing the sufferer to bring up sputum more easily. Synonyms: (R)-4-(carboxymethyl)-5-oxothiomorpholine-3-carboxylic acid. CAS No. 1601460-92-7. Molecular formula: C7H9NO5S. Mole weight: 219.21. | |
| 6-Bromo-8-cyclopentyl-2-[[5-(4-Boc-1-piperazinyl)-2-pyridyl]amino]-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one | An impurity of Palbociclib, a selective inhibitor of cyclin-dependent kinases CDK4 and CDK6. Palbociclib is developed for the treatment of ER-positive and HER2-negative breast cancer. Synonyms: 4-[6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxo-2-pyrido[2,3-d]pyrimidinyl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid tert-butyl ester; tert-butyl 4-[6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl]piperazine-1-carboxylate. CAS No. 571188-82-4. Molecular formula: C27H34BrN7O3. Mole weight: 584.51. | |
| Anagrelide USP Related Compound C | An impurity of Anagrelide, a medication used to treat essential thrombocytosis or overproduction of blood platelets. Synonyms: Anagrelide related compound C; Ethyl 2-(5,6-dichloro-2-imino-1,2-dihydroquinazolin-3(4H)-yl)acetate hydrobromide; 3(4H)-Quinazolineacetic acid, 2-amino-5,6-dichloro-, ethyl ester, monohydrobromide; 3(4H)-Quinazolineacetic acid, 2-amino-5,6-dichloro-, ethyl ester, hydrobromide (1:1); Ethyl 5,6-dichloro-3,4-dihydro-2(1H)-iminoquinazoline-3-acetate hydrobromide; 2-Amino-5,6-dichloro-3(4H)-quinazoline acetic acid ethyl ester hydrobromide; USP Anagrelide Related Impurity C; Anagrelide hydrochloride USP Related Compound C. Grade: 95%. CAS No. 70381-75-8. Molecular formula: C12H13Cl2N3O2.HBr. Mole weight: 383.07. | |
| Anagrelide USP Related Impurity B | Anagrelide USP Related Impurity B is an impurity of Anagrelide, a medication used to treat essential thrombocytosis or overproduction of blood platelets. Synonyms: 2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid; Anagrelide Impurity B. Grade: 95%. CAS No. 1159977-03-3. Molecular formula: C10H9Cl2N3O2. Mole weight: 274.10. | |
| Argatroban Related Compound B monohydrochloride | An impurity of Argatroban. Argatroban is a direct thrombin inhibitor used primarily for the treatment and prevention of blood clots in patients with heparin-induced thrombocytopenia (HIT) or those undergoing percutaneous coronary interventions. Uses: Argatroban intermediate. Synonyms: Argatroban Intermediate; (2R,4R)1-[(2S)2-Amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Ethyl Ester Hydrochloride; 2-Piperidinecarboxylic acid, 1-[(2S)-2-amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-, ethyl ester, hydrochloride (1:1), (2R,4R)-; 2-Piperidinecarboxylic acid, 1-[2-amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-, ethyl ester, monohydrochloride, [2R-[1(S*),2α,4β]]-; Ethyl (2R,4R)-1-(Nitroglycerine-nitro-L-arginyl)-4-methyl-piperidinecarboxylate hydrochloride; Argatroban USP Related Compound B hydrochloride; Argatroban Impurity 13 HCl. Grade: 95%. CAS No. 74874-08-1. Molecular formula: C15H28N6O5.HCl. Mole weight: 408.88. | |
| Argatroban USP Related Compound B | An impurity of Argatroban. Argatroban is a direct thrombin inhibitor used primarily for the treatment and prevention of blood clots in patients with heparin-induced thrombocytopenia (HIT) or those undergoing percutaneous coronary interventions. Synonyms: {2R-[1(S*)-2α,4β]-1-{2-Amino-5-{[imino-(nitroamino)-methyl]-amino}-1-oxopentyl}-4-methyl-2-piperidinecarboxylic acid ethyl ester; Ethyl (4R)-1-[N8-nitro-L-arginyl]-4-methylpiperidine-2-carboxylate; USP Argatroban Related Compound B; Argatroban related compound B; (2R,4R)1-[(2S)2-Amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Ethyl Ester; (2R,4R)-Ethyl 1-((S)-2-amino-5-(3-nitroguanidino)pentanoyl)-4-methylpiperidine-2-carboxylate; Argatroban Impurity D. Grade: ≥95%. CAS No. 79672-38-1. Molecular formula: C15H28N6O5. Mole weight: 372.42. | |
| Atazanavir Impurity C | An impurity of Atazanavir. Synonyms: (2R,3S)-3-(tert-Boc)amino-1,2-epoxy-4-phenylbutane; N-[(1S)-1-[(2R)-2-Oxiranyl]-2-phenylethyl]-carbamic Acid 1,1-Dimethylethyl Ester; (2R,3S)-(+)-3-tert-Butoxycarbonylamino-1,2-epoxy-4-phenylbutane; [(1S)-1-((2R)-Oxiranyl)-2-phenylethyl]carbamic Acid tert-Butyl Ester. Grade: > 95%. CAS No. 98760-08-8. Molecular formula: C15H21NO3. Mole weight: 263.34. | |
| Bivalirudin Impurity 1 | Bivalirudin Impurity 1 is an impurity of Bivalirudin which is an eminent anticoagulant, used to treat patients burdening heparin-induced thrombocytopenia. Synonyms: Asu-Gly; 1-Pyrrolidineacetic acid, 3-amino-2,5-dioxo-, (S)-; H-Asp(1)-N(1)Gly-OH; [(3S)-3-Amino-2,5-dioxopyrrolidin-1-yl]acetic acid; (S)-2-(3-Amino-2,5-dioxopyrrolidin-1-yl)acetic acid. Grade: >95%. CAS No. 72378-50-8. Molecular formula: C6H8N2O4. Mole weight: 172.14. | |
| Boc-2-fluoro-D-β-homophenylalanine | Boc-2-fluoro-D-β-homophenylalanine is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: (R)-3-((tert-butoxycarbonyl)amino)-4-(2-fluorophenyl)butanoic acid; Boc-D-β-HomoPhe(2-F)-OH; Boc-(R)-3-amino-4-(2-fluorophenyl)butyric acid. Grade: >98%. CAS No. 218608-98-1. Molecular formula: C15H20FNO4. Mole weight: 297.32. | |
| Boc-3,4-difluoro-D-beta-homophenylalanine | Boc-3,4-difluoro-D-beta-homophenylalanine is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: Boc-(R)-3-amino-4-(3,4-difluoro-phenyl)-butyric acid; (R)-3-((tert-butoxycarbonyl)amino)-4-(3,4-difluorophenyl)butanoic acid. Grade: >90%. CAS No. 269396-59-0. Molecular formula: C15H19F2NO4. Mole weight: 315.31. | |
| Carbocisteine Impurity 4 | Carbocisteine Impurity 4 is one of Carbocisteine impurities, Carbocisteine (INN), also called carbocysteine (USAN), is a mucolytic that reduces the viscosity of sputum and so can be used to help relieve the symptoms of chronic obstructive pulmonary disorder (COPD) and bronchiectasis by allowing the sufferer to bring up sputum more easily. Carbocisteine should not be used with antitussives (cough suppressants) or medicines that dry up bronchial secretions. Synonyms: (1S,5R)-1,3-Dioxothiornorpholine-5-carboxylic Acid. CAS No. 118573-75-4. Molecular formula: C5H7NO4S. Mole weight: 177.18. | |
| Carbocisteine Impurity 5 | Carbocisteine Impurity 5 is one of Carbocisteine impurities, Carbocisteine (INN), also called carbocysteine (USAN), is a mucolytic that reduces the viscosity of sputum and so can be used to help relieve the symptoms of chronic obstructive pulmonary disorder (COPD) and bronchiectasis by allowing the sufferer to bring up sputum more easily. Carbocisteine should not be used with antitussives (cough suppressants) or medicines that dry up bronchial secretions. Synonyms: (1R,5R)-1,3-Dioxothiornorpholine-5-carboxylic Acid. CAS No. 118492-49-2. Molecular formula: C5H7NO4S. Mole weight: 177.18. | |
| Carbocisteine Lactam | Carbocisteine Lactam is an impurity of Carbocisteine, which is a mucolytic that reduces the viscosity of sputum and so can be used to help relieve the symptoms of chronic obstructive pulmonary disorder (COPD) and bronchiectasis by allowing the sufferer to bring up sputum more easily. Synonyms: Lactam of (S)-Carboxymethyl-L-cysteine; (R)-5-Oxothiomorpholine-3-carboxylic acid. CAS No. 62305-89-9. Molecular formula: C5H7NO3S. Mole weight: 161.18. | |
| Carbocisteine Lactam Sodium Salt | Carbocisteine Lactam is an impurity of the mucolytic agent Carbocisteine. Synonyms: (3R)-5-Oxo-3-thiomorpholinecarboxylic Acid Monosodium Salt; (R)-5-Oxo-3-thiomorpholinecarboxylic Acid Sodium Salt; (3R)-3-Carboxy-5-oxothiomorpholine Sodium Salt. Grade: > 95%. CAS No. 88933-48-6. Molecular formula: C5H6NNaO3S. Mole weight: 183.16. | |
| Edoxaban Impurity 54 | Edoxaban Impurity 54 is an impurity of Edoxaban. Edoxaban is an anticoagulant medication and a direct factor Xa inhibitor. Synonyms: (1S,3R,4R)-4-Amino-3-(boc-amino)-cyclohexanecarboxylic acid ethyl ester. CAS No. 1392745-59-3. Molecular formula: C14H26N2O4. Mole weight: 286.37. | |
| Edoxaban Impurity 58 | Edoxaban Impurity 58 is an impurity of Edoxaban. Edoxaban is an anticoagulant medication and a direct factor Xa inhibitor. Synonyms: (1R,3S,4R)-3-(Boc-amino)-4-hydroxy-cyclohexane-carboxylic acid ethyl ester; Ethyl (1R,3S,4R)-3-{[(tert-butoxy)carbonyl]amino}-4-hydroxycyclohexane-1-carboxylate. CAS No. 1392745-22-0. Molecular formula: C14H25NO5. Mole weight: 287.36. | |
| (R)-3-(Boc-amino)piperidine | (R)-3-(Boc-amino)piperidine is an impurity of Alogliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor in the class of oral antidiabetic drugs. Synonyms: Carbamic acid, N-(3R)-3-piperidinyl-, 1,1-dimethylethyl ester; 1,1-Dimethylethyl N-(3R)-3-piperidinylcarbamate; Carbamic acid, (3R)-3-piperidinyl-, 1,1-dimethylethyl ester; (3R)-3-[((tert-Butyloxycarbonyl)amino)]piperidine; (R)-3-(N-Boc-amino) piperidine; (R)-3-(tert-Butoxycarbonylamino)piperidine; (R)-3-[(tert-Butoxycarbonyl)amino]piperidine; (R)-3-[(tert-Butyloxycarbonyl)amino]piperidine; (R)-3-[N-(tert-Butoxycarbonyl)amino]piperidine; (R)-3-tert-Butoxycarbonylaminopiperidine; (R)-Piperidin-3-ylcarbamic acid tert-butyl ester; (R)-tert-Butyl (piperidin-3-yl)carbamate; tert-Butyl (R)-N-(3-piperidyl)carbamate; tert-Butyl (R)-N-(piperidin-3-yl)carbamate; tert-Butyl (R)-piperidin-3-ylcarbamate; tert-Butyl N-((3R)-3-piperidyl)carbamate. Grade: 98.0%. CAS No. 309956-78-3. Molecular formula: C10H20N2O2. Mole weight: 200.28. | |
| (R)-Sitagliptin Defluoro Impurity 4 | (R)-Sitagliptin Defluoro Impurity 4 is an impurity of Sitagliptin. Sitagliptin is an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: Sitagliptin impurity R; (R)-beta-(Boc-amino)-2,5-difluorobenzenebutanoic acid; (R)-3-[((tert-Butoxy)carbonyl)amino]-4-(2,5-difluorophenyl)butanoic acid. CAS No. 486459-98-7. Molecular formula: C15H19F2NO4. Mole weight: 315.31. | |
| Sitagliptin Impurity 19 | Sitagliptin Impurity 19 is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: (R)-Sitagliptin N-Boc-Acid Impurity; (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic Acid; Boc-(R)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid. Grade: >95%. CAS No. 486460-00-8. Molecular formula: C15H18F3NO4. Mole weight: 333.3. | |
| Sitagliptin Impurity 21 | Sitagliptin Impurity 21 is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: Boc-D-β-homophenylalanine; Boc-D-β-Homophe-OH; (R)-3-(Boc-amino)-4-phenylbutyric acid; N-β-(t-Butoxycarbonyl)-D-β-homophenylalanine. Grade: >97%. CAS No. 101555-61-7. Molecular formula: C15H21NO4. Mole weight: 279.33. | |
| Sitagliptin Related Compound 1 | Sitagliptin Related Compound 1 is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: (R)-3-((tert-Butoxycarbonyl)amino)-4-(3-fluorophenyl)butanoic acid; Boc-(R)-3-amino-4-(3-fluorophenyl)-butyric acid. Grade: >95%. CAS No. 331763-66-7. Molecular formula: C15H20FNO4. Mole weight: 297.32. | |
| (Z)-2'-(benzyloxy)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)-[1,1'-biphenyl]-3-carboxylic acid | (Z)-2'-(benzyloxy)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)-[1,1'-biphenyl]-3-carboxylic acid is an impurity of Eltrombopag, a drug used in the treatment of thrombocytopenia (abnormally low platelet count) for severe aplastic anemia. CAS No. 2131025-93-7. Molecular formula: C32H28N4O4. Mole weight: 532.60. | |
| (Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)-2'-methoxy-[1,1'-biphenyl]-3-carboxylic acid | (Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazineyl)-2'-methoxy-[1,1'-biphenyl]-3-carboxylic acid is an impurity of Eltrombopag, a drug used in the treatment of thrombocytopenia (abnormally low platelet count) for severe aplastic anemia. Synonyms: 3'-{(2Z)-2-[1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}-2'-methoxy-3-biphenylcarboxylic acid; Methoxy Eltrombopag. CAS No. 1437383-35-1. Molecular formula: C26H24N4O4. Mole weight: 456.49. | |
| 10,11-Dehydro Misoprostol (Mixture of Diastereomers) | 10,11-Dehydro Misoprostol is a Misoprostol impurity. Synonyms: (13E)-(+/-)-16-Hydroxy-16-methyl-9-oxoprosta-10,13-dien-1-oic Acid Methyl Ester. Grade: > 95%. CAS No. 58682-86-3. Molecular formula: C22H36O4. Mole weight: 364.52. | |
| 10-[(2S)-2-Aminobutanoic acid]cyclosporin A | Cyclosporin Impurity 5 is an impurity of cyclosporin, which is a calcineurin phosphatase pathway inhibitor, used as an immunosuppressant drug to prevent rejection in organ transplantation. Synonyms: Ciclosporin Impurity F; 1,11-Anhydro[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)oct-6-enoyl-(2S)-2-aminobutanoyl-N-methylglycyl-N-methyl-L-leucyl-(2S)-2-aminobutanoyl-N-methyl-L-leucine]; [Abu10]ciclosporin A; Cyclosporin Impurity 5; Cyclosporin A, 10-[(2S)-2-aminobutanoic acid]-; [Abu5]cyclosporin; cyclo[Abu-Sar-N(Me)Leu-Abu-N(Me)Leu-Ala-D-Ala-N(Me)Leu-N(Me)Leu-N(Me)Val-N(Me)Bmt(E)]; cyclo[(N-(((2S)-2-aminobutyryl)-sarcosyl-N-methyl-L-leucyl)-(2S)-2-aminobutyryl)-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-N-methyl-(4R)-4-[(E)-but-2-enyl]-4-methyl-L-threonyl]; (3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-21,30-Diethyl-33-((1R,2R,E)-1-hydroxy-2-methylhex-4-en-1-yl)-6,9,18,24-tetraisobutyl-3-isopropyl-1,4,7,10,12,15,19,25,28-nonamethyl-1,4,7,10,13,16,19,22,25,28,31-undecaazacyclotritriacontan-2,5,8,11,14,17,20,23,26,29,32-undecaone; Ciclosporin EP Impurity F; [Abu10]cyclosporine A; Cyclosporine Abu-5 Impurity. Grade: ≥95%. CAS No. 437611-17-1. Molecular formula: C61H109N11O12. Mole weight: 1188.58. | |
| 10-Formyl-7,8-dihydro Folic Acid | 10-Formyl-7,8-dihydro Folic Acid is an impurity of Folic acid, which is used to treat anemia caused by folate deficiency. Synonyms: N-[4-[[(2-Amino-3,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid; N-[p-[N-[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]glutamic Acid; N-(10-formyl-7,8-dihydropteroyl)-L-glutamate; N-Formyl-7,8-dihydrofolic Acid; 10-FDHFA; Folinic Acid Impurity F; L-Glutamic acid, N-[4-[[(2-amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-; 10-Formyldihydrofolate; 10-formyldihydrofolic acid; 10-Formyldihydropteroylglutamate. Grade: ≥95%. CAS No. 28459-40-7. Molecular formula: C20H21N7O7. Mole weight: 471.43. | |
| 10-Formyl-7,8-dihydro Folic Acid Disodium Salt | 10-Formyl-7,8-dihydro Folic Acid Disodium Salt is an impurity of Folic acid, which is used to treat anemia caused by folate deficiency. Synonyms: N-[4-[[(2-Amino-3,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid Disodium Salt; N-[p-[N-[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]glutamic Acid Disodium Salt; N-[4-[[(2-Amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid Disodium Salt; N-Formyl-7,8-dihydrofolic Acid Disodium Salt; 10-FDHFA Disodium Salt; Folinic Acid Impurity F Disodium Salt; L-Glutamic acid, N-[4-[[(2-amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-, sodium salt (1:2). Grade: 85%. Molecular formula: C20H19N7Na2O7. Mole weight: 515.39. | |
| 10-(O-2,2-Dichloroethoxycarbonyl) 13-(3-O-TES) 7-Epi Docetaxel | 10-(O-2,2-Dichloroethoxycarbonyl) 13-(3-O-TES) 7-Epi Docetaxel is an impurity of Docetaxel, which is a semisynthetic derivative of Paclitaxel used to treat a variety of cancers, including breast, head and neck, stomach, prostate, and non-small cell lung cancer. Synonyms: (2α,5β,7α,10β,13α)-4-Acetoxy-10-{[(2,2-dichloroethoxy)carbonyl]oxy}-1,7-dihydroxy-13-({(2R,3S)-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-3-phenyl-2-[(triethylsilyl)oxy]propanoyl}oxy)-9-oxo-5,20-epoxytax-11-en-2-yl benzoate; Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-[(triethylsilyl)oxy]-, (2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-6-[[(2,2-dichloroethoxy)carbonyl]oxy]-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-. Molecular formula: C52H69Cl2NO16Si. Mole weight: 1063.09. | |
| 10-trans-Atorvastatin Acetonide tert-Butyl Ester | 10-trans-Atorvastatin Acetonide tert-Butyl Ester is the impuritiy of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Synonyms: tert-butyl 2-((4S,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate; (4S,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester. CAS No. 1105067-90-0. Molecular formula: C40H47FN2O5. Mole weight: 654.81. | |
| 11,13-Di-cis-retinoic Acid | 11,13-Di-cis-retinoic Acid is an impurity of Isotretinoin as per European Pharmacopoeia. Synonyms: (11-cis,13-cis)-Retinoic Acid; Isotretinoin EP Impurity C. CAS No. 3555-80-4. Molecular formula: C20H28O2. Mole weight: 300.44. | |
| (11β)-9-Fluoro-11-hydroxy-16-methyl-3-oxo-androsta-1,4,16-triene-17-carboxylic Acid | (11β)-9-Fluoro-11-hydroxy-16-methyl-3-oxo-androsta-1,4,16-triene-17-carboxylic Acid is one of Clobetasol propionate impurities. Clobetasol propionate is a glucocorticoid that induces monooxygenase activity in vivo. It alters the structure of tight junctions in epidermis and smoothened hedgehog pathway receptor agonist. It can be used as an anti-inflammatory, immunosuppressive and antimitotic agent. Active in vivo. CAS No. 59861-00-6. Molecular formula: C21H25FO4. Mole weight: 360.42. | |
| 11β-Hydroxy-3-oxo-androsta-1,4-diene-17β-carboxylic Acid | 11β-Hydroxy-3-oxo-androsta-1,4-diene-17β-carboxylic Acid is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. CAS No. 75448-51-0. Molecular formula: C20H26O4. Mole weight: 330.42. | |
| [1,1'-Biphenyl]-2,4'-dicarboxylic acid | [1,1'-Biphenyl]-2,4'-dicarboxylic acid is an impurity of Telmisartan, which is an angiotensin II receptor antagonist used to treat hypertension. Synonyms: 2,4'-Biphenyldicarboxylic acid; Benzoic acid, o,p'-oxydi-; Biphenyl-2,4'-dicarboxylic acid. Grade: 98%. CAS No. 606-80-4. Molecular formula: C14H10O4. Mole weight: 242.23. | |
| [1,1'-Biphenyl]-2'-tetrazolo-4-carboxylic acid, [1,1'-biphenyl]-2'tetrazolo-4-ylmethyl ester (Losartan Impurity) | An impurity of Losartan potassium. Losartan potassium is an angiotensin II receptor blocker (ARB) used primarily to treat hypertension and related cardiovascular conditions. Synonyms: [1,1'-Biphenyl]-4-carboxylic acid, 2'-(2H-tetrazol-5-yl)-, [2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl ester; [2'-(2H-Tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl 2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-carboxylate; [1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester. Grade: 95%. CAS No. 1159977-10-2. Molecular formula: C28H20N8O2. Mole weight: 500.51. | |
| 11-Deoxy Limaprost | an impurity of Limaprost. Synonyms: (2E)-7-[(1R,2R)-2-[(1E,3S,5S)-3-Hydroxy-5-methyl-1-nonenyl]-5-oxocyclopentyl]-2-heptenoic Acid. Grade: > 95%. CAS No. 853998-93-3. Molecular formula: C22H36O4. Mole weight: 364.53. | |
| 1,1-Dimethylethyl N-[(3R)-1-[(2-cyanophenyl)methyl]-3-piperidinyl]carbamate | An impurity of alogliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor in the class of oral antidiabetic drugs. Synonyms: Carbamic acid, N-[(3R)-1-[(2-cyanophenyl)methyl]-3-piperidinyl]-, 1,1-dimethylethyl ester. CAS No. 1353254-15-5. Molecular formula: C18H25N3O2. Mole weight: 315.41. | |
| 1,1'-[Dithiobis(methylene)]biscyclopropaneacetic Acid | 1,1'-[Dithiobis(methylene)]biscyclopropaneacetic Acid is an intermediate of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 1-[1-Carboxymethyl-cyclopropylmethyldisulfanylmethyl)cyclopropyl]acetic acid; Montelukast Disulfide Impurity; Cyclopropaneacetic acid, 1,1'-[dithiobis(methylene)]bis-; 2,2'-[Disulfanediylbis(methylene-1,1-cyclopropanediyl)]diacetic acid; 2,2'-((Disulfanediylbis(methylene))bis(cyclopropane-1,1-diyl))diacetic acid. Grade: ≥90%. CAS No. 162515-67-5. Molecular formula: C12H18O4S2. Mole weight: 290.40. | |
| 11-Oxo-1,4,7,10-tetraazabicyclo[8.2.2]tetradecane-4,7-diacetic Acid | 11-Oxo-1,4,7,10-tetraazabicyclo[8.2.2]tetradecane-4,7-diacetic Acid is an impurity of Gadobutrol, which is a nonionic, paramagnetic contrast agent developed for tissue contrast enhancement in magnetic resonance imaging (MRI). Synonyms: 2,2'-(11-oxo-1,4,7,10-tetraazabicyclo[8.2.2]tetradecane-4,7-diyl)diacetic Acid; USP Gadoteridol Related Compound B; Gadobutrol Impurity 25; Gadoteridol Related Compound C; 1,4,7,10-Tetraazabicyclo[8.2.2]tetradecane-4,7-diacetic acid, 11-oxo-. Grade: ≥95%. CAS No. 220182-19-4. Molecular formula: C14H24N4O5. Mole weight: 328.36. | |
| 1-[[[(1R)-1-[3-[(2S,R)-2-[[(1-Carboxycyclopropyl)methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methylcyclopropaneacetic Acid | 1-[[[(1R)-1-[3-[(2S,R)-2-[[(1-Carboxycyclopropyl)methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methylcyclopropaneacetic Acid is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Molecular formula: C41H46ClNO5S2. Mole weight: 732.39. | |
| 1-?[2-?[(1-?carboxy-?3-?phenylpropyl)?amino]?-?1-?oxopropyl]?octahydro-1H-?Indole-?2-?carboxylic acid | An isomer of Trandolaprilat, which is an impurity of Trandolapril. Trandolaprilat is an angiotensin converting enzyme inhibitor. Synonyms: 1H-Indole-2-carboxylicacid, 1-[2-[(1-carboxy-3-phenylpropyl)amino]-1-oxopropyl]octahydro-; 1-(2-((1-Carboxy-3-phenylpropyl)amino)-1-oxopropyl)octahydro-1H-indole-2-carboxylic acid; SCHEMBL678354; DTXSID90868979; 1H-Indol-2-carboxylic acid, 1-(2-((1-carboxy-3-phenylpropyl)amino)-1-oxopropyl)octahydro-; 1-{2-[(1-carboxy-3-phenylpropyl)amino]propanoyl}octahydro-1H-indole-2-carboxylic acid (non-preferred name); FT-0687175. CAS No. 83601-86-9. Molecular formula: C22H30N2O5. Mole weight: 402.491. | |
| 1,2,3,3',4,4'-Hexahydro-[1,1'-binaphthalene]-8,8'-dicarboxylic Acid | 1,2,3,3',4,4'-Hexahydro-[1,1'-binaphthalene]-8,8'-dicarboxylic Acid is an impurity of Palonosetron, which is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Molecular formula: C22H20O4. Mole weight: 348.40. | |
| 1,?2,?3,?4-?Tetrahydro-?6-?methyl-?2,?4-?bis(2-?nitrophenyl)?-5-?pyrimidinecarboxylic acid Methyl Ester | An impurity of Nifedipine, which is a dihydropyridine calcium channel blocker that primarily blocks L-type calcium channels. Synonyms: Methyl 1,2,3,4-tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-5-pyrimidinecarboxylate. CAS No. 108139-78-2. Molecular formula: C19H18N4O6. Mole weight: 398.37. | |
| 1-[2,3-O-Isopropylidene-β-D-ribofuranosyl]-1,2,4-triazole-3-carboxylic Acid Methyl Ester | Protected Ribavirin impurity. Uses: Protected ribavirin impurity. Synonyms: 1-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxylic Acid Methyl Ester. CAS No. 594860-43-2. Molecular formula: C12H17N3O6. Mole weight: 299.28. | |
| 1,2,4-Triazole-3-carboxylic acid | An impurity of Ribavirin. Ribavirin is an anti-viral medication used to treat RSV infection, hepatitis C, and viral hemorrhagic fever. Synonyms: 1H-1,2,4-Triazole-3-carboxylic acid; s-Triazole-3-carboxylic acid; 4H-1,2,4-Triazole-3-carboxylic acid; NSC 165527; NSC 202574; Ribavirin EP Impurity C; Ribavirin Impurity C. Grade: ≥95%. CAS No. 4928-87-4. Molecular formula: C3H3N3O2. Mole weight: 113.07. | |
| 1-((2'-carbamoyl-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylic acid | 3-acetamidophthalic acid is an impurity of Azilsartan, an angiotensin II receptor blocker (ARB) used to treat high blood pressure. Synonyms: 1-[(2'-Carbamoylbiphenyl-4-yl)methyl]?-2-ethoxybenzimidazole-7-carboxylic Acid. CAS No. 1696392-11-6. Molecular formula: C24H21N3O4. Mole weight: 415.44. | |
| 1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid | An impurity of Riociguat. Riociguat is used in the treatment for pulmonary hypertension. Synonyms: Riociguat Impurity 20. CAS No. 956011-26-0. Molecular formula: C14H10FN3O2. Mole weight: 271.25. | |
| 12-Fluoro Dihydroloratadine | 12-Fluoro Dihydroloratadine is one of loratadine impurities. Loratadine is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Synonyms: 4-(8-Chloro-10,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-5-yl)-4-fluoro-ethyl Ester 1-Piperidinecarboxylic Acid; 1-Piperidinecarboxylic acid, 4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-fluoro-, ethyl ester; 1-Piperidinecarboxylic acid, 4-(8-chloro-10,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-5-yl)-4-fluoro-, ethyl ester; Ethyl 4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-fluoropiperidine-1-carboxylate. Grade: ≥95%. CAS No. 125743-79-5. Molecular formula: C22H24ClFN2O2. Mole weight: 402.89. | |
| 12-Hydroxy Taurolithocholic Acid-2,2,3,4,4-d5 O-3-Glucuronide Dipotassium Salt | 12-Hydroxy Taurolithocholic Acid-2,2,3,4,4-d5 O-3-Glucuronide Dipotassium Salt is a labelled analogue of 12-Hydroxy Taurolithocholic Acid O-3-Glucuronide Dipotassium Salt, an impurity of Cholic Acid. It is a bile produced by liver cells and separated from liver cells. Synonyms: (3α,5β,12α)-12-Hydroxy-24-oxo-24-[(2-sulfoethyl)amino]cholan-3-yl β-D-Glucopyranosiduronic Acid Dipotassium Salt-d5; Cholane β-D-Glucopyranosiduronic Acid Derivative-d5. Molecular formula: C32H46D5NO12S 2K. Mole weight: 757.04. | |
| 12-Hydroxy Taurolithocholic Acid O-3-Glucuronide Dipotassium Salt | 12-Hydroxy Taurolithocholic Acid O-3-Glucuronide Dipotassium Salt is an impurity of Cholic Acid, a choleretic produced by and isolated from liver cells. Synonyms: (3α,5β,12α)-12-Hydroxy-24-oxo-24-[(2-sulfoethyl)amino]cholan-3-yl β-D-Glucopyranosiduronic Acid Dipotassium Salt; Cholane β-D-Glucopyranosiduronic Acid Derivative. CAS No. 75672-37-6. Molecular formula: C32H51K2NO12S. Mole weight: 752.01. | |
| 1-[(2R)-3-Mercapto-2-methyl-1-oxopropyl]-D-proline | 1-[(2R)-3-Mercapto-2-methyl-1-oxopropyl]-D-proline is an impurity of Captopril, which is an orally active angiotensin-converting enzyme (ACE) inhibitor used as an antihypertensive agent. Synonyms: (R)-1-(3-Mercapto-2-methyl-1-oxopropyl)-D-proline; 1-(D-3-mercapto-2-methylpropionyl)-L-proline; Captopril Related Compound 8; epi-D-captopril; (R)-1-((R)-3-Mercapto-2-methyl-propionyl)-pyrrolidine-2-carboxylic acid; (2R)-1-((2R)-3-mercapto-2-methylpropanoyl)pyrrolidine-2-carboxylic acid; ((R)-3-mercapto-2-methylpropanoyl)-D-proline. Grade: 98%. CAS No. 112243-88-6. Molecular formula: C9H15NO3S. Mole weight: 217.28. | |
| 1-((2R,3R,4R,5S)-3-Fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 1-((2R,3R,4R,5S)-3-Fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione, a powerful antimicrobial agent, is renowned for its efficacy in treating a range of bacterial and fungal infections, including those caused by Candida, Aspergillus, and Cryptococcus species. This pharmaceutical marvel works by clobbering the synthesis of crucial nucleic acids in microbes to sabotage their survival. Notably, its phenomenal antibacterial and antifungal activity renders it an essential tool in the battle against streptococcal and staphylococcal infections. Synonyms: Sofosbuvir impurity SA15432. Molecular formula: C10H13FN2O5. Mole weight: 260.22. | |
| 1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(p-tolyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic Acid | 1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(p-tolyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic Acid is an impurity of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: Fosaprepitant Impurity F; (4-Benzyl-3-{[(2S,3R)-2-{(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-methylphenyl)-4-morpholinyl]methyl}-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid; Phosphonic acid, [3-[[(2S,3R)-2-[(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-methylphenyl)-4-morpholinyl]methyl]-4,5-dihydro-5-oxo-4-(phenylmethyl)-1H-1,2,4-triazol-1-yl]-. Molecular formula: C31H31F6N4O6P. Mole weight: 700.56. | |
| 13-cis-Acitretin | 13-cis-Acitretin is a synthetic retinoid which is the major metabolite of etretinate. Synonyms: Acitretin EP Impurity A; Acitretin Related Compound A; 6,8-nonatetraenoic Acid; 13-cis-Etretin; Isoacitretin; Isoetretin. Grade: > 95%. CAS No. 69427-46-9. Molecular formula: C21H26O3. Mole weight: 326.44. | |
| 13-O-Methylamphotericin B | 13-O-Methylamphotericin B is an antifungal. 13-O-Methylamphotericin B is a derivative of Amphotericin B, a polypeptide antibiotic active against gram positive bacteria. Antifungal. Synonyms: Amphotericin X1; 13-O-Methyl Amphotericin B; Amphotericin B EP Impurity B; (1R,3S,5R,6R,9R,11R,15S,16R,17R,18S,19E,21E,23E,25E,27E,29E,31E,33R,35S,36R,37S)-33-(((2R,3S,4S,5S,6R)-4-Amino-3,5-dihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,9,11,17,37-heptahydroxy-1-methoxy-15,16,18-trimethyl-13-oxo-14,39-dioxabicyclo[33.3.1]nonatriaconta-19,21,23,25,27,29,31-heptaene-36-carboxylic acid; Amphotericin B Impurity B. Grade: ≥95%. CAS No. 136135-57-4. Molecular formula: C48H75NO17. Mole weight: 938.11. | |
| 13-oxo-1,4,7,10-Tetraazabicyclo[8.2.1]tridecane-4,7-diacetic Acid | 13-oxo-1,4,7,10-Tetraazabicyclo[8.2.1]tridecane-4,7-diacetic Acid is an impurity of Gadobutrol, which is a nonionic, paramagnetic contrast agent developed for tissue contrast enhancement in magnetic resonance imaging (MRI). Synonyms: 229312-33-82; 2'-(13-Oxo-1,4,7,10-tetraazabicyclo[8.2.1]tridecane-4,7-diyl)diacetic acid2-[7-(carboxymethyl)-13-oxo-1,4,7,10-tetrazabicyclo[8.2.1]tridecan-4-yl]acetic acidstarbld0010782; SCHEMBL5554701. Grade: > 95%. CAS No. 229312-33-8. Molecular formula: C13H22N4O5. Mole weight: 314.34. | |
| 1-((3R,5R)-6-carboxy-3,5-dihydroxyhexyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid | 1-((3R,5R)-6-carboxy-3,5-dihydroxyhexyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid is the impuritiy of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Synonyms: 1-[(3R,5R)-6-Carboxy-3,5-dihydroxyhexyl]-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid; (βR,δR)-3-Carboxy-5-(4-fluorophenyl)-β,δ-dihydroxy-2-(1-methylethyl)-4-phenyl-1H-Pyrrole-1-heptanoic Acid. CAS No. 1821498-27-4. Molecular formula: C27H30FNO6. Mole weight: 483.53. | |
| [1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetato(4-)-κN1,κN4,κN7,κN10,κO1,κO4,κO7,κO10]-gadolinate(1-) Sodium | [1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetato(4-)-κN1,κN4,κN7,κN10,κO1,κO4,κO7,κO10]-gadolinate(1-) Sodium is an impurity of Gadobutrol, which is a nonionic, paramagnetic contrast agent developed for tissue contrast enhancement in magnetic resonance imaging (MRI). Uses: Chelating agents. Synonyms: [1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetato(4-)-N1,N4,N7,N10,O1,O4,O7,O10]-gadolinate(1-) Sodium; 1,4,7,10-Tetraazacyclododecane Gadolinate(1-) Derivatives; 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic Acid Gadolinium Complex. CAS No. 92923-44-9. Molecular formula: C16H24GdN4NaO8. Mole weight: 580.62. | |
| 1,4,7,10-Tetraazacyclododecane-1,7-diacetic Acid | 1,4,7,10-Tetraazacyclododecane-1,7-diacetic Acid is an impurity of Gadobutrol, which is a nonionic, paramagnetic contrast agent developed for tissue contrast enhancement in magnetic resonance imaging (MRI). CAS No. 112193-75-6. Molecular formula: C12H24N4O4. Mole weight: 288.34. | |
| 1,4,7,10-Tetraazacyclododecane-4-formyl-1,7-diacetic Acid | 1,4,7,10-Tetraazacyclododecane-4-formyl-1,7-diacetic Acid is an impurity of Gadobutrol, which is a nonionic, paramagnetic contrast agent developed for tissue contrast enhancement in magnetic resonance imaging (MRI). Synonyms: 2,2'-(4-Formyl-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic Acid. Molecular formula: C13H24N4O5. Mole weight: 316.35. | |
| (+)-(14beta)-Dihydrovinpocetine | An impurity of Vinpocetine. Vinpocetine, isolated from the lesser periwinkle plant, is a derivative of the vinca alkaloid vincamine with an effect of cerebral blood-flow enhancing and neuroprotection. Vinpocetine was approved for the treatment of cerebrovascular disorders and age-related memory impairment in Eastern Europe. Synonyms: (12S,13aS,13bS)-13a-Ethyl-2,3,5,6,12,13,13a,13b-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylic Acid Ethyl Ester; (3α,14β,16α)-14,15-Dihydro-eburnamenine-14-carboxylic Acid Ethyl Ester; Ethyl (14β)-14,15-dihydroapovincaminate. CAS No. 57517-54-1. Molecular formula: C22H28N2O2. Mole weight: 352.47. | |
| 1,4-Dihydro-1-(5-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-2-pyridinecarboxylic Acid Ammonium Salt | 1,4-Dihydro-1-(5-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-2-pyridinecarboxylic Acid Ammonium Salt is an impurity of Omeprazole. Omeprazole is a proton pump inhibitor used in the treatment of dyspepsia. It binds to the proton pump hydrogen-potassium adenosine triphosphatase (H+/K+ ATPase) and inhibits its activity and the parietal cell secretion of H+ ions into the gastric lumen. Synonyms: OMP-A Ammonium Salt. CAS No. 2227107-89-1. Molecular formula: C16H18N4O4. Mole weight: 330.34. | |
| 1,4-Dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid hydrogen 3-methyl ester | An impurity of Nifedipine, which is a dihydropyridine calcium channel blocker that primarily blocks L-type calcium channels. Synonyms: 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, 3-methyl ester; Nifedipine Impurity 07. Grade: 95%. CAS No. 74936-71-3. Molecular formula: C16H16N2O6. Mole weight: 332.31. | |
| 1-(5-(2-fluorophenyl)-1-(pyridin-2-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine fumarate | One of the impurities of Vonoprazan, which is a potassium-competitive acid blocker and has been found to be effective in the treatment of gastroduodenal ulcer and reflux esophagitis. Synonyms: Vonoprazan Impurity 33. Grade: 95% HPLC. CAS No. 928615-46-7. Molecular formula: C17H16FN3O2S. Mole weight: 345.39. | |
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