Acetyl Impurity Suppliers USA
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Product | Description | |
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Famciclovir N-Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Famciclovir. Famciclovir is used for the treatment of various herpesvirus infections, most commonly for herpes zoster. Synonyms: N-Acetyl Famciclovir; 2-(2-(2-Acetamido-9H-purin-9-yl)ethyl)propane-1,3-diyl Diacetate. Grades: > 95%. Molecular formula: C16H21N5O5. Mole weight: 363.38. | |
Linagliptin N-Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Linagliptin. Linagliptin is a dipeptidyl peptidase-4 inhibitor with a hpyerglycemic activity. It was approved for the treatment of diabetes mellitus type 2. Synonyms: (R)-N-(1-(7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide. Grades: 95%. CAS No. 1803079-49-3. Molecular formula: C27H30N8O3. Mole weight: 514.58. | |
Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity Quick inquiry Where to buy Suppliers range | Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity. Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards. Catalog: APS002148. Format: Neat. Product Type: Impurity. | |
Nintedanib Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Nintedanib, a receptor tyrosine kinase (RTK) inhibitor that binds to vascular endothelial growth factor receptor, fibroblast growth factor receptor and platelet derived growth factor receptor. Nintedanib is used as a medication for the treatment of idiopathic pulmonary fibrosis. Synonyms: (3Z)-1H-Indole-6-carboxylic acid, 3-[[[4- (acetylmethylamino) phenyl]amino]phenylmethylene]-2, 3-dihydro-2-oxo-, methyl ester. Grades: ≥95%. CAS No. 1139458-48-2. Molecular formula: C26H23N3O4. Mole weight: 441.48. | |
Prasugrel Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Prasugrel.Prasugrel is a platelet inhibitor. It can be used to prevent formation of blood clots. Synonyms: 5-(1-(2-Fluorophenyl)-2-oxopropyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)acetate. Grades: > 95%. CAS No. 1443034-67-0. Molecular formula: C18H18FNO3S. Mole weight: 347.41. | |
Prasugrel N-Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Prasugrel.Prasugrel is a platelet inhibitor. It can be used to prevent formation of blood clots. Grades: > 95%. Molecular formula: C18H20FNO3S. Mole weight: 349.43. | |
Propranolol N-Acetyl Impurity Quick inquiry Where to buy Suppliers range | An impurity of Propranolol.Propranolol is Beta 1 adrenergic receptor antagonist. It can be used for the treatment of high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors. Synonyms: N-Acetylpropranolol; 2007-11-6; Propranolol N-Acetyl Impurity; AW44QKZ2SH; N-(2-hydroxy-3-(naphthalen-1-yloxy)propyl)-n-isopropylacetamide; N-(2-hydroxy-3-naphthalen-1-yloxypropyl)-N-propan-2-ylacetamide; Acetamide, N-(2-hydroxy-3-(1-naphthalenyloxy)propyl)-N-(1-methylethyl)-; UNII-AW44QKZ2SH; SCHEMBL9330158; DTXSID40942091; F19345; N-{2-Hydroxy-3-[(naphthalen-1-yl)oxy]propyl}-N-(propan-2-yl)acetamide. Grades: > 95%. CAS No. 2007-11-6. Molecular formula: C18H23NO3. Mole weight: 301.39. | |
Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity-d9 Quick inquiry Where to buy Suppliers range | Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity-d9. Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards. Catalog: APS002149. Format: Neat. Product Type: Impurity; Stable Isotope Labelled. | |
Celecoxib impurity (N-Acetyl-4-(2-Aminoethyl)-Benzenesulfonamide) Quick inquiry Where to buy Suppliers range | N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-acetamide is used in the synthesis of sulfonylurea and thiourea derivatives substituted with benzenesulfonamide groups that can be used as potential hypoglycemic agents. Synonyms: N-p-Sulfamoylphenethyl-acetamide; 4-(2-Acetylaminoethyl)benzenesulfonamide; N-(p-Sulfamoylphenethyl)acetamide. Grades: > 95%. CAS No. 41472-49-5. Molecular formula: C10H14N2O3S. Mole weight: 242.3. | |
Paclitaxel Oxetane Ring-Opened 3-Acetyl 4-Benzoyl Impurity Quick inquiry Where to buy Suppliers range | Paclitaxel Oxetane Ring-Opened 3-Acetyl 4-Benzoyl Impurity is an impurity of Paclitaxel, which is a mitotic inhibitor used in cancer chemotherapy. Synonyms: Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, (1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-bis(acetyloxy)-4-[(benzoyloxy)methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetramethyl-12-oxo-6,10-methanobenzocyclodecen-8-yl ester, (αR,βS)-; (1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-Bis(acetyloxy)-4-[(benzoyloxy)methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetramethyl-12-oxo-6,10-methanobenzocyclodecen-8-yl (αR,βS)-β-(benzoylamino)-α-hydroxybenzenepropanoate; β-(Benzoylamino)-α-hydroxybenzenepropanoic acid (αR,βS)-(1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-bis(acetyloxy)-4-[(benzoyloxy)methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetramethyl-12-oxo-6,10-methanobenzocyclodecen-8-yl ester; Paclitaxel EP Impurity M (5S-isomer); Paclitaxel Oxetane ring opened, acetyl and benzoyl migrated; (1S, 2S, 3R, 4S, 5S, 7S, 8S, 10R, 13S)-5, 10-diacetyloxy-1, 2, 4, 7-tetrahydroxy-8, 12, 15, 15-tetramethyl-9-oxo-4-(phenylcarbonyloxymethyl)tricyclo[9. 3. 1. 03, 8]pentadec-11-en-13-yl (2R,3S)-2-hydroxy-3-phenyl-3-(phenylcarbonylamino)propanoate. Grades: ≥95%. CAS No. 932042-85-8. Molecular formula: C47H53NO15. Mole weight: 871.94. | |
Duloxetine EP Impurity F (Duloxetine 3-Acetyl) HCl Quick inquiry Where to buy Suppliers range | An isomeric impurity of the antidepressant Duloxetine. Synonyms: (S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine Hydrochloride. Grades: > 95%. CAS No. 1104890-90-5. Molecular formula: C18H19NOS·HCl. Mole weight: 333.88. | |
Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3R,4S)) Quick inquiry Where to buy Suppliers range | One of the impurities of Tofacitinib, which is a Janus kinase inhibitor and could be used against rheumatoid arthritis. Synonyms: N-Des-(2-Cyanide-acetyl)-(3R,4S). Molecular formula: C13H19N5. Mole weight: 245.33. | |
Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3S,4R)) Quick inquiry Where to buy Suppliers range | One of the impurities of Tofacitinib, which is a Janus kinase inhibitor and could be used against rheumatoid arthritis. Synonyms: N-Des-(2-Cyanide-acetyl)-(3S,4R). Molecular formula: C13H19N5. Mole weight: 245.33. | |
10-Deacetyl-7-xylosyl Paclitaxel (62%) Quick inquiry Where to buy Suppliers range | 10-Deacetyl-7-xylosyl Paclitaxel (62%). Uses: For analytical and research use. Group: Chiral Molecules; Impurity Standards. Alternative Names: 10-Deacetylpaclitaxel 7-xyloside, 7β-Xylosyl-10-deacetyltaxol, 10-Deacetyltaxol 7-xyloside, 7-Xylosyl-10-deacetylpaclitaxel, 10-Deacetyl-7-xylosylpaclitaxel, 10-Deacetyl-7-xylosyltaxol, Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, 12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-6,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(β-D-xylopyranosyloxy)-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aα, 4β, 4aβ, 6β, 9α(αR*, βS*), 11α, 12α, 12aα, 12bα]]-, 7,11-Methano-1H-cyclodeca[3,4]benz[1,2-b]oxete, benzenepropanoic acid deriv., 7-Xylosyl-10-deacetyltaxol,Benzenepropanoic acid, β-(benzoylamino)-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-6,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(β-D-xylopyranosyloxy)-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-. CAS No. 90332-63-1. Pack Sizes: 10MG. Molecular formula: C50H57NO17. Mole weight: 943.98. Catalog: APS90332631. SMILES: CC (=O)O[C@@]12CO[C@@H]1C[C@H] (O[C@@H]3OC[C@@H] (O)[C@H] (O)[C@H]3O)[C@]4 (C)[C@@H]2[C@H] (OC (=O)c5ccccc5)[C@]6 (O)C[C@H] (OC (=O)[C@H] (O)[C@@H] (NC (=O)c7ccccc7)c8ccccc8)C (=C ([C@@H] (O)C4=O)C6 (C)C)C. Format: Neat. Product Type: Impurity. Shipping: Room Temperature. | |
10-Methyl-7-(2-hydroxy-3-N-Boc-3-phenylpropionyl) Docetaxel Quick inquiry Where to buy Suppliers range | 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. | |
10-(O-2,2-Dichloroethoxycarbonyl) 13-(3-O-TES) 7-Epi Docetaxel Quick inquiry Where to buy Suppliers range | 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-Oxo Docetaxel Quick inquiry Where to buy Suppliers range | 10-Oxo Docetaxel. Uses: For analytical and research use. Group: Chiral Molecules; Impurity Standards. Alternative Names: 6-Oxodocetaxel, (2aR,4S,4aS,9S,11S,12S,12aR,12bS)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-Dodecahydro-4,9,11,12,12b-pentahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5,6-dione 12b-acetate 12-benzoate 9-ester with (2R,3S)-N-tert-butoxycarbonyl-3-phenylisoserine,Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (2aR,4S,4aS,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5,6-dioxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-, Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, 12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5,6-dioxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aα, 4β, 4aβ, 9α(αR*, βS*), 11α, 12α, 12aα, 12bα]]-, Docetaxel Trihydrate Imp B (EP), 5β,20-Epoxy-1,7β-dihydroxy-9,10-dioxotax-11-ene-2α,4,13α-triyl 4-acetate 2-benzoate 13-[(2R,3S)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-3-phenylpropanoate, 10-Deoxy-10-oxodocetaxel. CAS No. 167074-97-7. Molecular formula: C43H51NO14. Mole weight: 805.86. Catalog: APS167074977. SMILES: CC (=O)O[C@@]12CO[C@@H]1C[C@H] (O)[C@]3 (C)[C@@H]2[C@H] (OC (=O)c4ccccc4)[C@]5 (O)C[C@H] (OC (=O)[C@H] (O)[C@@H] (NC (=O)OC (C) (C)C)c6ccccc6)C (=C (C (=O)C3=O)C5 (C)C)C. Format: Neat. Product Type: Impurity. | |
11, 11'- (2, 2'- (Piperazine-1, 4-diyl)bis (acetyl))bis (5H-benzo[e]pyrido[3, 2-b][1, 4]diazepin-6 (11H)-one)-d8 Quick inquiry Where to buy Suppliers range | 11, 11'- (2, 2'- (Piperazine-1, 4-diyl)bis (acetyl))bis (5H-benzo[e]pyrido[3, 2-b][1, 4]diazepin-6 (11H)-one)-d8 is an labelled dimer impurity of labelled Pirenzepine (P508502), an antiulcerative agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 5mg. Molecular Formula: C32H20D8N8O4, Molecular Weight: 596.669999999999. US Biological Life Sciences. | Worldwide |
11,21-Didehydro-(9 β,11 β)-epoxy-21-(acetyloxy) Desoxymetasone Quick inquiry Where to buy Suppliers range | 11,21-Didehydro-(9 β,11 β)-epoxy-21-(acetyloxy) Desoxymetasone is an impurity of Desoxymetasone (D296970) which is anti-inflammatory. Group: Biochemicals. Grades: Highly Purified. CAS No. 52092-65-6. Pack Sizes: 1mg, 2mg. Molecular Formula: C24H30O5. US Biological Life Sciences. | Worldwide |
11,21-Didehydro-(9 β,11 β)-epoxy-21-(acetyloxy) Desoxymetasone-d3 Quick inquiry Where to buy Suppliers range | 11,21-Didehydro-(9 β,11 β)-epoxy-21-(acetyloxy) Desoxymetasone-d3 is labelled 11,21-Didehydro-(9 β,11 β)-epoxy-21-(acetyloxy) Desoxymetasone (D439455), an impurity of Desoxymetasone (D296970) which is anti-inflammatory. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C24H27D3O5, Molecular Weight: 401.51. US Biological Life Sciences. | Worldwide |
(11β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione Quick inquiry Where to buy Suppliers range | (11β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: [2-[(8S,9S,10R,11S,13S,14S,16R,17R)-17-acetyloxy-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate. Molecular formula: C26H34O7. Mole weight: 458.54. | |
(11 β,16 β)-11,21-bis(acetyloxy)-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione. (Deflazacort Impurity) Quick inquiry Where to buy Suppliers range | (11 β,16 β)-11,21-bis(acetyloxy)-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione, is an impurity of Deflazacort, which is a systemic corticosteroid, used for rheumatoid arthritis and lupus. Group: Biochemicals. Grades: Highly Purified. CAS No. 710951-92-1. Pack Sizes: 10mg, 100mg. Molecular Formula: C27H33NO7, Molecular Weight: 483.55. US Biological Life Sciences. | Worldwide |
(11β,17Z)-20-(Acetyloxy)-11-hydroxy-3-oxopregna-1,4,17(20)-trien-21-al Quick inquiry Where to buy Suppliers range | (11β,17Z)-20-(Acetyloxy)-11-hydroxy-3-oxopregna-1,4,17(20)-trien-21-al, 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. Synonyms: (11?,17Z)-20-(Acetyloxy)-11-hydroxy-3-oxopregna-1,4,17(20)-trien-21-al; 118866-09-4. CAS No. 118866-09-4. Molecular formula: C23H28O5. Mole weight: 384.46. | |
1,1-Dibenzyl-4-[(5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl]-1-piperidinium Bromide Quick inquiry Where to buy Suppliers range | Donepezil impurity. Uses: 4-[(2,3-dihydro-5,6-dimethoxy-1-oxo-1h-inden-2-yl)methyl]-1,1-bis(phenylmethyl)piperidinium is an isotope labelled impurity in the synthesis of donepezil (d531750), an inhibitor of acetylcholinesterase. Synonyms: 2-[[1,1-bis(phenylmethyl)-4-piperidin-1-iumyl]methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one;bromide; 2-[(1,1-dibenzylpiperidin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one;bromide. Grades: > 95 %. CAS No. 844694-85-5. Molecular formula: C31H36BrNO3. Mole weight: 550.53. | |
1-[2-(2,3-Dihydro-5-benzofuranyl)ethyl]-α,α-diphenyl-3-pyrrolidineacetic Acid Quick inquiry Where to buy Suppliers range | 1-[2-(2,3-Dihydro-5-benzofuranyl)ethyl]-α,α-diphenyl-3-pyrrolidineacetic Acid is an impurity of Darifenacin (D193400), a medication to treat urinary incontinence. It works by blocking the M3 muscarinic acetylcholine receptor. Group: Biochemicals. Grades: Highly Purified. CAS No. 1048979-16-3. Pack Sizes: 5mg, 10mg. Molecular Formula: C28H29NO3, Molecular Weight: 427.53. US Biological Life Sciences. | Worldwide |
1-(2,3-Dihydro-7-benzofuranyl)ethanone Quick inquiry Where to buy Suppliers range | 1-(2,3-Dihydro-7-benzofuranyl)ethanone is an impurity in the synthesis of Darifenacin (D193400, HBr); a medication used to treat urinary incontinence. It works by blocking the M3 muscarinic acetylcholine receptor. Group: Biochemicals. Grades: Highly Purified. CAS No. 170730-06-0. Pack Sizes: 100mg, 250mg. Molecular Formula: C10H10O2, Molecular Weight: 162.19. US Biological Life Sciences. | Worldwide |
1,2-bis(4-methylpiperazin-1-yl)ethanone Quick inquiry Where to buy Suppliers range | An impurity of Nintedanib, a receptor tyrosine kinase (RTK) inhibitor that binds to vascular endothelial growth factor receptor, fibroblast growth factor receptor and platelet derived growth factor receptor. Nintedanib is used as a medication for the treatment of idiopathic pulmonary fibrosis. Synonyms: Piperazine, 1-methyl-4-[(4-methyl-1-piperazinyl)acetyl]-(5CI); Nintedanib Impurity E. Grades: ≥95%. CAS No. 856843-88-4. Molecular formula: C12H24N4O. Mole weight: 240.35. | |
1,2-Dihydro-oseltamivir (mixture of diastereomers) Quick inquiry Where to buy Suppliers range | 1,2-Dihydro-oseltamivir (mixture of diastereomers). Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards. Alternative Names: (3S,4R,5R)-4-(Acetylamino)-3-amino-5-(1-ethylpropoxy)-cyclohexanecarboxylic Acid Ethyl Ester. CAS No. 1052063-38-3. IUPAC Name: ethyl (3S,4R,5R)-4-acetamido-3-amino-5-(1-ethylpropoxy)cyclohexanecarboxylate. Molecular formula: C16H30N2O4. Mole weight: 314.42. Catalog: APS1052063383. SMILES: CCOC (=O)C1C[C@H] (N)[C@@H] (NC (=O)C)[C@@H] (C1)OC (CC)CC. Format: Neat. Product Type: Impurity. | |
1-[2-(Trifluoromethyl)-10H-phenothiazin-10-yl]ethanone Quick inquiry Where to buy Suppliers range | 1-[2-(Trifluoromethyl)-10H-phenothiazin-10-yl]ethanone is an intermediate for the synthesis of Fluphenazine, which is a phenothiazine antipsychotic, a dopaminergic antagonist and an antiviral agent. Synonyms: 1-[2-(trifluoromethyl)phenothiazin-10-yl]ethanone; 2-(Trifluoromethyl)-10-acetyl-10H-phenothiazine; 10-Acetyl-2-(trifluoromethyl)phenothiazine; 10-Acetyl-2-(trifluoromethyl)-10H-phenothiazine; Ethanone, 1-[2-(trifluoromethyl)-10H-phenothiazin-10-yl]-; Fluphenazine Decanoate Impurity 16. Grades: ≥95%. CAS No. 1554-60-5. Molecular formula: C15H10F3NOS. Mole weight: 309.31. | |
1,3,5-Tri-O-acetyl-2-deoxy-D-ribose (Major) Quick inquiry Where to buy Suppliers range | 1,3,5-Tri-O-acetyl-2-deoxy-D-ribose is used in the chemoenzymic preparation of nucleosides. It is also an intermediate int he synthesis of 2-Deoxy-D-α-ribopyranosyl-5-azacytosine which is an isomer of 2-Deoxy-D- β-ribopyranosyl-5-azacytosine (D253525), an impurity of Decitabine and potentially carcinogenic. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C11H16O7. US Biological Life Sciences. | Worldwide |
1,3-Bis(2-acetyl-3-hydroxyphenoxy)-2-hydroxypropane Quick inquiry Where to buy Suppliers range | 1,3-Bis(2-acetyl-3-hydroxyphenoxy)-2-hydroxypropane is an impurity in the synthesis of Sodium Cromoglycate (C815000), a chromone complex which blocks mast cell degranulation. Group: Biochemicals. Grades: Highly Purified. CAS No. 16150-44-0. Pack Sizes: 25mg, 100mg. Molecular Formula: C19H20O7. US Biological Life Sciences. | Worldwide |
1-(3-Methoxyphenyl)ethanol Quick inquiry Where to buy Suppliers range | A impurity of Rivastigmine.Rivastigmine is a cholinesterase inhibitor. It works by increasing the amount of a certain substance (acetylcholine) in the brain, which may help reduce symptoms of dementia in patients with Alzheimer disease. Synonyms: 1-(3-methoxyphenyl)ethanol; 1-(3-methoxyphenyl)ethanol. Grades: 99 %. CAS No. 23308-82-9. Molecular formula: C9H12O2. Mole weight: 152.19. | |
13-O-Acetyl Papaveroxine Quick inquiry Where to buy Suppliers range | 13-O-Acetyl Papaveroxine is an impurity of Papaveroxine (P190520), a minor alkaloid that naturally occurs in capsules of P. pseudo-orientale plant and various Papaver plant species. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
13-O-(Triethylsilyl) Baccatin III Quick inquiry Where to buy Suppliers range | 13-O-(Triethylsilyl) Baccatin III is an impurity of Paclitaxel, which is a chemotherapy medication used to treat a number of types of cancer. Synonyms: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-9-[(triethylsilyl)oxy]-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one; Paclitaxel Impurity 16 (13-(Triethylsilyl)baccatin III); (5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7-dihydroxy-9-oxo-13-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate; 13-Tes-baccatin III; 7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-9-[(triethylsilyl)oxy]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-. Grades: 98%. CAS No. 208406-86-4. Molecular formula: C37H52O11Si. Mole weight: 700.89. | |
(13S)-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione Quick inquiry Where to buy Suppliers range | (13S)-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione is an impurity in the synthesis of Gestodene (G368250), an active gestogen with progesterone-like profile of activity. Group: Biochemicals. Alternative Names: (13S) -17-Acetyl-13-ethyl-6, 7, 8, 9, 10, 11, 12, 13-octahydro-1H-cyclopenta [a]phenanthren-3 (2H) -one. Grades: Highly Purified. CAS No. 932388-88-0. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
(13S)-Ethyl-18,19-dinorpregna-5,14,16-triene-3,20-dione Quick inquiry Where to buy Suppliers range | (13S)-Ethyl-18,19-dinorpregna-5,14,16-triene-3,20-dione is an impurity in the synthesis of Gestodene (G368250), an active gestogen with progesterone-like profile of activity. Group: Biochemicals. Alternative Names: (13S) -17-Acetyl-13-ethyl-4, 6, 7, 8, 9, 11, 12, 13-octahydro-1H-cyclopenta [a]phenanthren-3 (2H) -one. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
1,3-Thiazol-5-ylmethyl N-[(1S,2S,4S)-4-(acetylamino)-1-benzyl-2-hydroxy-5-phenylpentyl]carbamate Quick inquiry Where to buy Suppliers range | 1,3-Thiazol-5-ylmethyl N-[(1S,2S,4S)-4-(acetylamino)-1-benzyl-2-hydroxy-5-phenylpentyl]carbamate is an impurity of the selective HIV protease inhibitor Ritonavir. Group: Biochemicals. Alternative Names: Thiazol-5-ylmethyl N-[(2S,3S,5S)-5-Acetamido-3-hydroxy-1,6-diphenylhexan-2-yl Carbamate; Ritonavir USP Impurity A; N-[ (1S, 2S, 4S) -4- (Acetylamino) -2-hydroxy-5-phenyl-1- (phenylmethyl) pentyl]carbamic Acid 5-Thiazolylmethyl Ester. Grades: Highly Purified. CAS No. 1010808-43-1. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
14,15-Dehydro-21-acetyl Fluocinolone Acetonide Quick inquiry Where to buy Suppliers range | 14,15-Dehydro-21-acetyl Fluocinolone Acetonide is an intermediate in the synthesis of 14,15-Dehydro Fluocinolone Acetonide (D230135); an impurity of Fluocinolone Acetonide (F455800) which is a glucocorticoid and anti-inflammatory agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C26H30F2O7, Molecular Weight: 492.51. US Biological Life Sciences. | Worldwide |
1-[4-[3- (4-Acetyl-2-methoxyphenoxy) propoxy]-3-ethoxyphenyl]ethanone Quick inquiry Where to buy Suppliers range | 1-[4-[3- (4-Acetyl-2-methoxyphenoxy) propoxy]-3-ethoxyphenyl]ethanone is an impurity of Iloperidone (I267200); an atypical antipsychotic drug used in the treatment of schizophrenia. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg, 250mg. Molecular Formula: C22H26O6, Molecular Weight: 386.44. US Biological Life Sciences. | Worldwide |
1-[4-[3- (4-Acetyl-2-methoxyphenoxy) propoxy]-3-ethoxyphenyl]ethanone-d3 Quick inquiry Where to buy Suppliers range | 1-[4-[3- (4-Acetyl-2-methoxyphenoxy) propoxy]-3-ethoxyphenyl]ethanone-d3 is the isotope labelled analog of 1-[4-[3- (4-Acetyl-2-methoxyphenoxy) propoxy]-3-ethoxyphenyl]ethanone (A186535); an impurity of Iloperidone (I267200) which is an atypical antipsychotic drug used in the treatment of schizophrenia. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C22H23D3O6, Molecular Weight: 389.46. US Biological Life Sciences. | Worldwide |
1-(4-Acetylphenyl)-2-methyl-1-propanone Quick inquiry Where to buy Suppliers range | A potential impurity in Ibuprofen. Group: Biochemicals. Grades: Highly Purified. CAS No. 103931-20-0. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
1-(5-O-Acetyl-beta-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide (5'-O-Acetylribavirin) Quick inquiry Where to buy Suppliers range | 1-(5-O-Acetyl-beta-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide (5'-O-Acetylribavirin). Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards; Pharmaceutical Toxicology. Alternative Names: 5'-O-Acetylribavirin,1-(5-O-Acetyl-beta-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide, Ribavirin Imp. F (EP). CAS No. 58151-87-4. IUPAC Name: [(2R,3S,4R,5R)-5-(3-carbamoyl-1,2,4-triazol-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl acetate. Molecular formula: C10H14N4O6. Mole weight: 286.24. Catalog: APS58151874. SMILES: CC (=O)OC[C@H]1O[C@H] ([C@H] (O)[C@@H]1O)n2cnc (n2)C (=O)N. Format: Neat. Product Type: Impurity. Shipping: Room Temperature. | |
1-(5-O-Acetyl- β-D-ribofuranosyl)-4-amino-1,3,5-triazin-2(1H)-one Quick inquiry Where to buy Suppliers range | 1-(5-O-Acetyl- β-D-ribofuranosyl)-4-amino-1,3,5-triazin-2(1H)-one is an impurity of 5-Azacytidine (A796000), a potent growth inhibitor and cytotoxic agent. It acts as a demethylating agent by inhibiting DNA methyltransferase. Group: Biochemicals. Grades: Highly Purified. CAS No. 1174733-90-4. Pack Sizes: 10mg, 100mg. Molecular Formula: C10H14N4O6. US Biological Life Sciences. | Worldwide |
1-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)-1-oxidopyridin-3-yl)piperazine 1-oxide Quick inquiry Where to buy Suppliers range | An impurity of Palbociclib which is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6. Synonyms: Palbociclib Impurity 25. Grades: >95%. CAS No. 2488840-59-9. Molecular formula: C24H29N7O4. Mole weight: 479.54. | |
(16α)-3 β-(Acetyloxy)-16,17-dihydroxy-pregna-5,14-dien-20-one Quick inquiry Where to buy Suppliers range | (16α)-3 β-(Acetyloxy)-16,17-dihydroxy-pregna-5,14-dien-20-one is used in the synthesis of Δ14,15-Algestone Acetophenide which is an impurity of Algestone (A532030). Algestone is a pregnane steroid, its acetonide is used as anti-inflammatory drug (topical) and combination with enanthate as injectable contraceptive. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C23H32O5. US Biological Life Sciences. | Worldwide |
(16 β)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione Quick inquiry Where to buy Suppliers range | (16 β)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione, is an impurity of Deflazacort (D228975), a systemic corticosteroid, and a derivative of prednisolone. Used for rheumatoid arthritis and lupus. Group: Biochemicals. Grades: Highly Purified. CAS No. 13649-84-8. Pack Sizes: 100mg, 500mg. Molecular Formula: C25H29NO6. US Biological Life Sciences. | Worldwide |
16-Dehydropregnenolone Acetate Quick inquiry Where to buy Suppliers range | ≥95%. Uses: For analytical and research use. Group: Fluorescence/Luminescence Spectroscopy; Impurity Standards. Alternative Names: 16-Dehydropregnenolone acetate, (3beta)-3-(Acetyloxy)-pregna-5,16-dien-20-one, Pregnadienolone acetate, 16-DPA,(-)-16-Dehydropregnenolone acetate, 20-Oxopregna-5,16-dien-3beta-yl acetate, 3beta-Acetyloxy-pregna-5,16-dien-20-one, 16,17-Didehydropregnenolone acetate, NSC 37741, Dehydropregnenolone acetate, Pregna-5,16-dien-20-one, 3beta-hydroxy-, acetate (6CI,8CI), 3beta-Acetoxypregna-5,16-diene-20-one, 16-Dehydropregnenolone-3beta-acetate, 3beta-Acetoxypregna-5,16-dien-20-one. CAS No. 979-02-2. Pack Sizes: 10G. IUPAC Name: [(3S,8R,9S,10R,13S,14S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate. Molecular formula: C23H32O3. Mole weight: 356.50. EC Number: 213-558-7. Catalog: APS979022. Assay: ≥95%. SMILES: CC (=O)O[C@H]1CC[C@]2 (C)[C@H]3CC[C@@]4 (C)[C@@H] (CC=C4C (=O)C)[C@@H]3CC=C2C1. Format: Neat. Product Type: Impurity. Shipping: Room Temperature. | |
1-(6-Methylpyridin-3-yl)-2-(4-(methylthio)phenyl)ethan-1-one Quick inquiry Where to buy Suppliers range | An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 3-[2-(4-(methylthio)phenyl)acetyl](6-methyl)pyridine; Ethanone, 1-(6-ethyl-3-yridinyl)-2-4-(methylthio)henyl]-; Etoricoxib Impurity P. Grades: ≥95%. CAS No. 221615-72-1. Molecular formula: C15H15NOS. Mole weight: 257.35. | |
17-(Acetyloxy)-3-ethoxy-pregna-3,5-dien-20-one Quick inquiry Where to buy Suppliers range | Intermediate in the preparation of Progesterone impurity. Group: Biochemicals. Alternative Names: 3-Ethoxy-17-hydroxy-pregna-3,5-dien-20-one Acetate. Grades: Highly Purified. CAS No. 16319-93-0. Pack Sizes: 250mg. US Biological Life Sciences. | Worldwide |
17α-Ethoxymethyl 6-Dehydrotestosterone Quick inquiry Where to buy Suppliers range | 17α-Ethoxymethy 6-Dehydrotestosterone is an intermediate in the synthesis of 7 β-Acetylthio-17α-ethoxymethy Testosterone which is an impurity of Spironolactone (S683000), which is a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conns syndrome. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 10mg. Molecular Formula: C22H32O3. US Biological Life Sciences. | Worldwide |
17-alpha-Hydroxyprogesterone 17-acetate Quick inquiry Where to buy Suppliers range | 17-alpha-Hydroxyprogesterone 17-acetate. Uses: For analytical and research use. Group: Pharma & Vet Compounds & Metabolites; Pharma & Vet Compounds & Metabolites. Alternative Names: Megestrol Acetate Imp. K (EP), Hydroxyprogesterone Acetate, Chlormadinone acetate EP impurity G,Medroxyprogesterone Acetate Imp. H (EP), Megestrol Acetate Imp. K (Pharmeuropa), 3,20-Dioxopregn-4-en-17-yl Acetate. CAS No. 302-23-8. IUPAC Name: [(8R,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C23H32O4. Mole weight: 372.50. Catalog: APS302238. SMILES: CC (=O)O[C@@]1 (CC[C@H]2[C@@H]3CCC4=CC (=O)CC[C@]4 (C)[C@H]3CC[C@]12C)C (=O)C. Format: Neat. Shipping: Room Temperature. | |
17 β-Spiro[5-androsten-17,2'-oxiran]-3 β-ol Quick inquiry Where to buy Suppliers range | 17 β-Spiro[5-androsten-17,2'-oxiran]-3 β-ol is an intermediate in the synthesis of 7 β-Acetylthio-17α-ethoxymethy Testosterone which is an impurity of Spironolactone (S683000), which is a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conns syndrome. Group: Biochemicals. Grades: Highly Purified. CAS No. 847-75-6. Pack Sizes: 25mg, 50mg. Molecular Formula: C20H30O2. US Biological Life Sciences. | Worldwide |
17-Dehydroxy-6α-methyl-11-oxo Prednisolone 21-Acetate Quick inquiry Where to buy Suppliers range | 17-Dehydroxy-6α-methyl-11-oxo Prednisolone 21-Acetate is a metabolite of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: 2-oxo-2-((6S,8S,9S,10R,13S,14S)-6,10,13-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate; Methylprednisolone Acetate EP Impurity F; (6α,17ξ)-6-Methyl-3,11,20-trioxopregna-1,4-dien-21-yl acetate; Pregna-1,4-diene-3,11,20-trione, 21-(acetyloxy)-6-methyl-, (6α,17ξ)-. Molecular formula: C24H30O5. Mole weight: 398.49. | |
17-Desethynyl 17-Dibromomethylaceto-norethindrone Acetate Quick inquiry Where to buy Suppliers range | 17-Desethynyl 17-Dibromomethylaceto-norethindrone Acetate is an intermediate of Norethindrone, which is an oral contraceptive involved in the inhibition of cytosolic sulfotransferases. Synonyms: 17-Dibromomethylaceto-19-norpregn-4-ene-3,20-dione; Norethindrone Acetate Impurity 13; (17α)-21,21-Dibromo-3,20-dioxo-19-norpregn-4-en-17-yl acetate; (8R,9S,10R,13S,14S,17S)-17-(2,2-dibromoacetyl)-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate; Estr-4-en-3-one, 17-(acetyloxy)-17-(2,2-dibromoacetyl)-, (17β)-. Grades: ≥95%. CAS No. 40228-41-9. Molecular formula: C22H28Br2O4. Mole weight: 516.26. | |
17-Desethynyl Norethindrone Diacetate Quick inquiry Where to buy Suppliers range | 17-Desethynyl Norethindrone Diacetate is an impurity of Norethindrone Acetate. Norethindrone Acetate impurity E. Group: Biochemicals. Alternative Names: (17α)-17-(Acetyloxy)-19-norpregn-4-ene-3,20-dione; 17-Hydroxy-19-nor-17α-pregn-4-ene-3,20-dione Acetate. Grades: Highly Purified. CAS No. 66964-58-7. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
17-(Ethoxymethyl) Androst-5-ene-3 β,17 β-diol Quick inquiry Where to buy Suppliers range | 17-(Ethoxymethyl) Androst-6-ene-3 β,17 β-diol is an intermediate in the synthesis of 7 β-Acetylthio-17α-ethoxymethy Testosterone which is an impurity of Spironolactone (S683000), which is a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conns syndrome. Group: Biochemicals. Grades: Highly Purified. CAS No. 855-49-2. Pack Sizes: 10mg, 25mg. Molecular Formula: C22H36O3. US Biological Life Sciences. | Worldwide |
1, 9-Dihydro-9- [4-O-acetyl-3- [ [ (4-methoxyphenyl) diphenylmethoxy] methyl] butyl] -2- [ [ (4-methoxyphenyl) diphenylmethyl] amino] -6H-purin-6-one Quick inquiry Where to buy Suppliers range | 1, 9-Dihydro-9- [4-O-acetyl-3- [ [ (4-methoxyphenyl) diphenylmethoxy] methyl] butyl] -2- [ [ (4-methoxyphenyl) diphenylmethyl] amino] -6H-purin-6-one is an intermediate used in the synthesis of Penciclovir Monoacetate (P221515), which is an impurity of the anti-viral drug Penciclovir. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 1mg. Molecular Formula: C52H49N5O6, Molecular Weight: 839.98. US Biological Life Sciences. | Worldwide |
1, 9-Dihydro-9-[4-O-acetyl-3-[[ (4-methoxyphenyl) diphenylmethoxy]methyl]butyl]-2-[[ (4-methoxyphenyl) diphenylmethyl]amino]-6H-purin-6-one Quick inquiry Where to buy Suppliers range | 1, 9-Dihydro-9-[4-O-acetyl-3-[[ (4-methoxyphenyl) diphenylmethoxy]methyl]butyl]-2-[[ (4-methoxyphenyl) diphenylmethyl]amino]-6H-purin-6-one is an intermediate used in the synthesis of Penciclovir Monoacetate, which is an impurity of the antiviral drug Penciclovir. Molecular formula: C52H49N5O5. Mole weight: 839.98. | |
19-Hydroxy-10-deacetyl baccatin-III Quick inquiry Where to buy Suppliers range | 19-Hydroxy-10-deacetylbaccatin III is an impurity of Baccatin III and is extracted from the needles of Taxus Baccata. It is used to synthesize 19-hydroxydocetaxel which is a compound that exhibits high level of cytotoxicity in vitro experimental models. Synonyms: (2aR,4S,4aR,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a-(hydroxymethyl)-8,13,13-trimethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one. Grades: > 95%. CAS No. 154083-99-5. Molecular formula: C29H36O11. Mole weight: 560.6. | |
1-Acetyl-2-imidazolidinone Quick inquiry Where to buy Suppliers range | 1-Acetyl-2-imidazolidinone (Clonidine EP Impurity A) is a synthetic reagent used in the preparation of triple [14C]-labelled moxonidine which is an antihypertensive compound. Group: Biochemicals. Grades: Highly Purified. CAS No. 5391-39-9. Pack Sizes: 250mg, 1g. Molecular Formula: C5H8N2O2. US Biological Life Sciences. | Worldwide |
1-Acetyl-4-(4-hydroxyphenyl)piperazine Quick inquiry Where to buy Suppliers range | 1-Acetyl-4-(4-hydroxyphenyl)piperazine. Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards; Pharmaceutical Toxicology. Alternative Names: 1-Acetyl-4-(4-hydroxyphenyl)piperazine. CAS No. 67914-60-7. IUPAC Name: 1-[4-(4-hydroxyphenyl)piperazin-1-yl]ethanone. Molecular formula: C12H16N2O2. Mole weight: 220.27. Catalog: APS67914607. SMILES: CC(=O)N1CCN(CC1)c2ccc(O)cc2. Format: Neat. Product Type: Impurity. Shipping: Room Temperature. | |
1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]-1,2,3,6-tetrahydropyridine Quick inquiry Where to buy Suppliers range | 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]-1,2,3,6-tetrahydropyridine is one of Donepezil impurities. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Synonyms: 2,3-Dihydro-5,6-dimethoxy-2-[[1,2,3,6-tetrahydro-1-(phenylmethyl)-4-pyridinyl]methyl]-1H-inden-1-one; Donepezil Impurity 28; Donepezil Impurity G. Grades: > 98%. CAS No. 608511-44-0. Molecular formula: C24H27NO3. Mole weight: 377.48. | |
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylene-1,2,3,4-tetrahydropyridine Quick inquiry Where to buy Suppliers range | 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylene-1,2,3,4-tetrahydropyridine is one of Donepezil impurities. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Uses: Donepezil. Synonyms: 2,3-Dihydro-5,6-dimethoxy-2-[[1,2,3,4-tetrahydro-1-(phenylmethyl)-4-pyridinyl]methylene]-1H-inden-1-one; 2-((1-benzyl-2,3-dihydropyridin-4(1H)-ylidene)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one. Grades: > 98%. CAS No. 1020661-51-1. Molecular formula: C24H25NO3. Mole weight: 375.46. | |
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium Bromide Quick inquiry Where to buy Suppliers range | 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium Bromide is one of Donepezil impurities. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Uses: Donepezil. Synonyms: 4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1-(phenylmethyl)pyridinimBromide; Donepezil Impurity 5; 1-benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridin-1-ium,bromide (1:1). CAS No. 231283-82-2. Molecular formula: C24H24BrNO3. Mole weight: 454.36. | |
1-Methyl-4-acetyl-2-phytyl-3,5,6-trimethylhydroquinone Quick inquiry Where to buy Suppliers range | 1-Methyl-4-acetyl-2-phytyl-3,5,6-trimethylhydroquinone is a derivative compound of (2R,3R)-Rel-2,3-Dihydro-2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-5-benzofuranol 5-Acetate (D450735), which is used in the preparation and the removal of phenolic impurities from tocopherols by using acid-activated bleaching earth. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C33H58O3, Molecular Weight: 502.81. US Biological Life Sciences. | Worldwide |
1-Methylpyridin-1-ium-2-carboxamide Quick inquiry Where to buy Suppliers range | 1-Methylpyridin-1-ium-2-carboxamide is an impurity of Pralidoxime Chloride, a drug that binds to organophosphate-inactivated acetylcholinesterase and is used for the treatment of organophosphate poisoning. Synonyms: 1-Methyl-2-carbamoylpyridinium; 1-methylpyridine-2-carboxamide; 2-Carbamoyl-1-methyl-pyridinium. CAS No. 45750-74-1. Molecular formula: C7H9ClN2O. Mole weight: 172.61. | |
1-methylpyridin-1-ium-2-carboxamide chloride Quick inquiry Where to buy Suppliers range | An impurity of Pralidoxime Chloride. Pralidoxime Chloride is a drug that binds to organophosphate-inactivated acetylcholinesterase and is used for the treatment of organophosphate poisoning. Synonyms: 21032-31-5; 2-Carbamoyl-1-methylpyridin-1-ium chloridePyridinium, 2-(aminocarbonyl)-1-methyl-, chloride (1:1); SCHEMBL8434012; DTXSID70545796. Grades: 95%. CAS No. 21032-31-5. Molecular formula: C7H9ClN2O. Mole weight: 172.61. | |
1-methylpyridin-1-ium-2-carboxamide iodide Quick inquiry Where to buy Suppliers range | An impurity of Pralidoxime Chloride. Pralidoxime Chloride is a drug that binds to organophosphate-inactivated acetylcholinesterase and is used for the treatment of organophosphate poisoning. Synonyms: 2-Carbamoyl-1-methylpyridinium iodide; 3861-69-6; 2-(AMINOCARBONYL)-1-METHYLPYRIDINIUM IODIDE; PCMM; 2-CARBAMOYL-1-METHYLPYRIDIN-1-IUM IODIDE; Iodide 2-(aminocarbonyl)-1-methylpyridinium; Pyridinium, 2-(aminocarbonyl)-1-methyl-, iodide; Pyridinium, 2-carbamoyl-1-methyl-, iodide; 1-methylpyridin-1-ium-2-carboxamide; iodide. Grades: 95%. CAS No. 3861-69-6. Molecular formula: C7H9IN2O. Mole weight: 264.06. | |
1-methylpyridin-1-ium-2-carboxylic acid Quick inquiry Where to buy Suppliers range | 1-methylpyridin-1-ium-2-carboxylic acid is an impurity of Pralidoxime Chloride, a drug that binds to organophosphate-inactivated acetylcholinesterase and is used for the treatment of organophosphate poisoning. Synonyms: Homarine Hydrochloride. CAS No. 3697-38-9. Molecular formula: C7H8ClNO2. Mole weight: 173.596. | |
1-(Pyridin-3-yl)ethan-1-one (3-Acetylpyridine) Quick inquiry Where to buy Suppliers range | 1-(Pyridin-3-yl)ethan-1-one (3-Acetylpyridine). Uses: For analytical and research use. Group: COVID-19 Research and Reference Materials; Impurity Standards; Pharmaceutical Toxicology. Alternative Names: Imatinib Mesilate Imp. H (EP), 1-(Pyridin-3-yl)ethan-1-one, 3-Acetylpyridine. CAS No. 350-03-8. IUPAC Name: 1-pyridin-3-ylethanone. Molecular formula: C7H7NO. Mole weight: 121.14. Catalog: APS350038B. SMILES: CC(=O)c1cccnc1. Format: Neat. Product Type: Impurity. Shipping: Room Temperature. |