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| Product | Description | |
|---|---|---|
| (1S,2S)-1-(3,4-dimethoxybenzyl)-2-(3-((5-((3-((1R,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium | Cas No. 96946-50-8. |  |
| ((1S,2S)-2-(Diethylcarbamoyl)-2-phenylcyclopropyl)methyl Acetate | ((1S,2S)-2-(Diethylcarbamoyl)-2-phenylcyclopropyl)methyl Acetate is an impurity of Milnacipran, which is a serotonin-norepinephrine reuptake inhibitor (SNRI) used in the clinical treatment of fibromyalgia. Molecular formula: C17H23NO3. Mole weight: 289.37. | |
| (1S,2S)-2-(Hydroxymethyl)-1-phenylcyclopropanecarboxylic Acid | (1S,2S)-2-(Hydroxymethyl)-1-phenylcyclopropanecarboxylic Acid is an impurity of Milnacipran, which is a serotonin-norepinephrine reuptake inhibitor (SNRI) used in the clinical treatment of fibromyalgia. Synonyms: Cyclopropanecarboxylic acid, 2-(hydroxymethyl)-1-phenyl-, (1S,2S)-. Molecular formula: C11H12O3. Mole weight: 192.21. | |
| ((1S,2S)-2-(Hydroxymethyl)cyclohexyl)methyl Methanesulfonate | Molecular formula: C9H18O4S. Mole weight: 222.30. | |
| (1'S,2S,3R)-Defluoro Fosaprepitant Dimeglumine | (1'S,2S,3R)-Defluoro Fosaprepitant Dimeglumine is an impurity of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-phenylmorpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid (2:1). Molecular formula: C37H57F6N6O16P. Mole weight: 986.84. | |
| (1'S,2S,3R)-Fosaprepitant Dimeglumine | (1'S,2S,3R)-Fosaprepitant Dimeglumine is an isomer of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid (2:1); [3-[[(2S,3R)-2-[(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholin-4-yl]methyl]-5-oxo-4H-1,2,4-triazol-1-yl]phosphonic acid (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentol (1:2). Molecular formula: C37H56F7N6O16P. Mole weight: 1004.83. | |
| (1'S,2S,3S)-Defluoro Fosaprepitant Dimeglumine | (1'S,2S,3S)-Defluoro Fosaprepitant Dimeglumine is an impurity of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3S)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-phenylmorpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid (2:1). Molecular formula: C37H57F6N6O16P. Mole weight: 986.84. | |
| (1'S,2S,3S)-Fosaprepitant Dimeglumine | (1'S,2S,3S)-Fosaprepitant Dimeglumine is an isomer of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3S)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid (2:1); [3-[[(2S,3S)-2-[(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholin-4-yl]methyl]-5-oxo-4H-1,2,4-triazol-1-yl]phosphonic acid (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentol (1:2). Molecular formula: C37H56F7N6O16P. Mole weight: 1004.83. | |
| (1S,2S,5S)-7-Oxo-6-(phenylmethoxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide | An impurity of Avibactam, a non-β lactam β-lactamase inhibitor that inactivates some β-lactamases. Synonyms: 1,6-Diazabicyclo[3.2.1]octane-2-carboxamide, 7-oxo-6-(phenylmethoxy)-, (1S,2S,5S)-; Avibactam Impurity 27. Grades: ≥95%. CAS No. 2064219-16-3. Molecular formula: C14H17N3O3. Mole weight: 275.30. | |
| (1S)-N-(3R)-1-azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide | (1S)-N-(3R)-1-azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide is an intermediate of Palonosetron. Palonosetron (INN, trade name Aloxi) is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Synonyms: (S)-N-((R)-quinuclidin-3-yl)-1,2,3,4-tetrahydronaphthalene-1-carboxamide; 1-Naphthalenecarboxamide, N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-1,2,3,4-tetrahydro-, (1S)-. Molecular formula: C18H24N2O. Mole weight: 284.40. | |
| (1S)-N-(3S)-1-Azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide | (1S)-N-(3S)-1-Azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide is an intermediate of Palonosetron. Palonosetron (INN, trade name Aloxi) is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Uses: Palonosetron intermediate. Synonyms: [S-(R*,R*)]-N-1-Azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide; (S)-N-((S)-quinuclidin-3-yl)-1,2,3,4-tetrahydronaphthalene-1-carboxamide; 1-Naphthalenecarboxamide, N-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-1,2,3,4-tetrahydro-, (1S)-; Palonosetron Impurity 4. Grades: ≥95%. CAS No. 177793-79-2. Molecular formula: C18H24N2O. Mole weight: 284.40. | |
| 1S-trans-Permethrinic Acid | 1S-trans-Permethrinic Acid is one of Permethrin intermediates. Permethrin is a synthetic pyrethroid insectide, affecting neuron membranes by prolonging sodium channel activation. It is used for the treatment of infestation with Sarcoptes scabiei (scabies). Synonyms: 1S-trans-Permethric acid; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1S,3R)-; (1S,3R)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic Acid; (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid; (1S)-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid; (1S,3R)-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1S-trans)-; (1S)-(-)-trans-Permethrinic acid. Grades: ≥95%. CAS No. 55701-09-2. Molecular formula: C8H10Cl2O2. Mole weight: 209.07. | |
| 1-tosyl-1,4,8,11-tetraazacyclotetradecane trihydrochloride | An impurity of Plerixafor which is an antagonist of the CXCR4 chemokine receptor. Synonyms: Plerixafor Impurity 08. CAS No. 128495-30-7. Molecular formula: C17H31ClN4O2S. Mole weight: 390.97. | |
| 20(3'-Oxo-caspofungin) Triflate Salt | 20(3'-Oxo-caspofungin) Triflate Salt is a derivative of Caspofungin acetate, which is an essential component of the cell wall of filamentous fungi. Synonyms: 1-[(4R,5S)-5-[(2-Aminoethyl)amino]-N2-(10,12-dimethyl-1-oxotetradecyl)-4-hydroxy-L-ornithine]-1,1,1-trifluoromethanesulfonate Pneumocandin B0; Caspofungin Impurity 5 Triflate Salt; Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-(10,12-dimethyl-1-oxotetradecyl)-4-hydroxy-L-ornithine]-, 1,1,1-trifluoromethanesulfonate (1:x). Grades: >98%. CAS No. 1201042-11-6. Molecular formula: C52H86N10O16.xCHF3O3S. Mole weight: 1107.30 (free base). | |
| 20-alfa-Dhydrodydrogesterone | Synonyms: 4-Pregnen-17α, 20α-diol-3-one; 17α, 20α-Dihydroxy-4-pregnen-3-one; 17α-Hydroxy-20α-dihydroprogesterone. Grades: > 95%. CAS No. 652-69-7. Molecular formula: C21H32O3. Mole weight: 332.49. | |
| 20β-Dihydrocortisol | 20β-Dihydrocortisol could be used as a potential non invasive diagnostic test of transmissible spongiform encephalopaties. 20β-Dihydrocortisol is a metabolite of Cortisol, a steroid hormone, more specifically a glucocorticoid, produced by the zona fasciculata of the adrenal gland. Cortisol is released in response to stress and a low level of blood glucocorticoids. Its primary functions are to increase blood sugar through gluconeogenesis; suppress the immune system; and aid in fat, protein and carbohydrate metabolism. Synonyms: 11β,17,20β,21-Tetrahydroxy-pregn-4-en-3-one; 11β,17,20β,21-Tetrahydroxy-4-pregnen-3-one; 11β,17α,20β,21-Tetrahydroxy-pregn-4-en-3-one; 17-(1,2-Dihydroxyethyl)androsten-3-one-11,17-diol; 20β-Hydroxycortisol; 4-Pregene-11β,17α,20β,21-tetrol-3-one; 4-Pregnen. Grades: > 95%. CAS No. 116-58-5. Molecular formula: C21H32O5. Mole weight: 364.48. | |
| 20-Dihydro 6α-Methyl Prednisolone 21-Carboxylic Acid | 20-Dihydro 6α-Methyl Prednisolone 21-Carboxylic Acid is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C22H30O5. Mole weight: 374.47. | |
| (20R)-1β-maxacalcitol | (20R)-1β-maxacalcitol is an isomer of maxacalcitol, a derivative of vitamin D3. Maxacalcitol is a potential treatment of secondary hyperparathyroidism. Molecular formula: C26H42O4. Mole weight: 418.6. | |
| (20R)-1β-trans-maxacalcitol | (20R)-1β-trans-maxacalcitol is an isomer of maxacalcitol, a derivative of vitamin D3. Maxacalcitol is a potential treatment of secondary hyperparathyroidism. Molecular formula: C26H42O4. Mole weight: 418.6. | |
| (20R)-trans-maxacalcitol | (20R)-trans-maxacalcitol is an isomer of maxacalcitol, a derivative of vitamin D3. Maxacalcitol is a potential treatment of secondary hyperparathyroidism. Molecular formula: C26H42O4. Mole weight: 418.6. | |
| (20S)-21-Hydroxy-20-methylpregn-4-en-3-one | An impurity of Stigmasterol. Stigmasterol is an unsaturated phytosterol and used as a precursor in the manufacture of semisynthetic progesterone. Synonyms: 23,24-Bisnorchol-4-en-3-on-22-ol; 3-keto-23,24-Bisnorchol-4-en-22-ol. Grades: > 95%. CAS No. 40736-33-2. Molecular formula: C22H34O2. Mole weight: 330.5. | |
| 20ξ-Dihydroprednisolonic Acid | 20ξ-Dihydroprednisolonic acid is a derivative 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: (11β)-11,17,20-Trihydroxy-3-oxopregna-1,4-dien-21-oic Acid; 11β,17,20-Trihydroxy-3-oxopregna-1,4-dien-21-oic Acid. Grades: ≥95%. CAS No. 62358-12-7. Molecular formula: C21H28O6. Mole weight: 376.44. | |
| 2-(1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-4-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)-N,N-dimethylacetamide | An impurity of Fimasartan. Fimasartan is a non-peptide angiotensin II receptor antagonist used for the treatment of hypertension and heart failure. Synonyms: 5-Despyrimidineethanethioamide-5-pyrimidineacetamide Fimasartan; 2-Butyl-1,6-dihydro-N,N,4-trimethyl-6-oxo-1-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-5-pyrimidineacetamide; Fimasartan Impurity E. CAS No. 178554-19-3. Molecular formula: C27H31N7O2. Mole weight: 485.58. | |
| 2- (1- ( (2- (1-hydroxypentyl) benzoyl) oxy) pentyl) benzoic acid | 2- (1- ( (2- (1-hydroxypentyl) benzoyl) oxy) pentyl) benzoic acid is an impurity of butylphthalide, which is used to treat hypertension and may have neuroprotective effects. CAS No. 1841089-56-2. Molecular formula: C24H30O5. Mole weight: 398.49. | |
| 2-(1,2-bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide | 2-(1,2-bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide is the impuritiy of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Synonyms: 4-Fluoro-β-(4-fluorophenyl)-α-(2-methyl-1-oxopropyl)-γ-oxo-N-phenylbenzenebutanamide. CAS No. 693793-82-7. Molecular formula: C26H23F2NO3. Mole weight: 435.46. | |
| 2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-N5,N5-dimethylpyrimidine-4,5,6-triamine | An impurity of Riociguat. Riociguat is used in the treatment for pulmonary hypertension. Synonyms: Riociguat Impurity 18. CAS No. 1169770-52-8. Molecular formula: C19H19FN8. Mole weight: 378.41. | |
| 21-Acetoxy-6α-fluoro-16α,17-(isopropylidenedioxy)pregna-1,4,9(11)-triene-3,20-dione | 21-Acetoxy-6α-fluoro-16α,17-(isopropylidenedioxy)pregna-1,4,9(11)-triene-3,20-dione is an intermediate of Flunisolide, which is a corticosteroid related to Prednisolone commonly used to treat allergic rhinitis. Synonyms: 2-((2S,6aR,8aS,8bS,11aR,12aS,12bS)-2-fluoro-6a,8a,10,10-tetramethyl-4-oxo-1,2,4,6a,8,8a,11a,12,12a,12b-decahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl acetate; (6α,16α)-21-(Acetyloxy)-6-fluoro-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4,9(11)-triene-3,20-dione; 9,11-Dehydro Flunisolide Acetate. Grades: 95%. CAS No. 5049-89-8. Molecular formula: C26H31FO6. Mole weight: 458.52. | |
| 2-((1-Acetyl-3-iodo-1H-indazol-6-yl)thio)-N-methylbenzamide | An impurity of Axitinib, a tyrosine kinase inhibitor used for the treatment of kidney cancer. Synonyms: Benzamide, 2-[(1-acetyl-3-iodo-1H-indazol-6-yl)thio]-N-methyl-; Axitinib impurity YXA. Grades: ≥95%. CAS No. 1639138-00-3. Molecular formula: C17H14IN3O2S. Mole weight: 451.28. | |
| 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-((1-Benzyl-3-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one | 2-((1-Benzyl-3-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one is one of Donepezil analogues. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Synonyms: 2-[(1-Benzyl-3-hydroxy-4-piperidinyl)methyl]-5,6-dimethoxy-1-indanone; 1H-Inden-1-one, 2,3-dihydro-2-[[3-hydroxy-1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-. Molecular formula: C24H29NO4. Mole weight: 395.49. | |
| 21-Carboxy Dexamethasone | 21-Carboxy Dexamethasone is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: 11β,16α)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxo-pregna-1,4-dien-21-oic acid. CAS No. 84449-15-0. Molecular formula: C22H27FO6. Mole weight: 406.44. | |
| 21-Deacetoxy Deflazacort | Cas No. 13649-88-2. | |
| 21-Dehydro-11-deoxy Prednisolone | 21-Dehydro-11-deoxy Prednisolone is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: 17-Hydroxy-3,20-dioxopregna-1,4-dien-21-al; Pregna-1,4-dien-21-al, 17-hydroxy-3,20-dioxo-. Molecular formula: C21H26O4. Mole weight: 342.43. | |
| 21-Dehydro-16β-hydroxy Prednisolone | 21-Dehydro-16β-hydroxy Prednisolone is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Pregna-1,4-dien-21-al, 11,16,17-trihydroxy-3,20-dioxo-, (11β,16β)-; (11β,16β)-11,16,17-Trihydroxy-3,20-dioxopregna-1,4-dien-21-al. Molecular formula: C21H26O6. Mole weight: 374.43. | |
| 21-Dehydro-17-Deoxy-Dexamethasone | Synonyms: (11b,16a)-9-Fluoro-11-hydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al. Grades: > 95%. CAS No. 1188271-71-7. Molecular formula: C22H27FO4. Mole weight: 374.45. | |
| 21-Dehydro-6α-methyl Prednisolone 17-Hemisuccinate | 21-Dehydro-6α-methyl Prednisolone 17-Hemisuccinate is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (6α,11β)-17-(3-Carboxy-1-oxopropoxy)-11-hydroxy-6-methyl-3,20-dioxopregna-1,4-dien-21-al; 4-[[(6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-6,10,13-trimethyl-17-oxaldehydoyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]oxy]-4-oxobutanoic acid; 4-{[(6α,11β)-11-Hydroxy-6-methyl-3,20,21-trioxopregna-1,4-dien-17-yl]oxy}-4-oxobutanoic acid; Butanedioic acid, mono[(6α,11β)-11-hydroxy-6-methyl-3,20,21-trioxopregna-1,4-dien-17-yl] ester. Molecular formula: C26H32O8. Mole weight: 472.53. | |
| 21-Dehydro-6β-hydroxy Dexamethasone Hydrate | 21-Dehydro-6β-hydroxy Dexamethasone Hydrate is a metabolite of Dexamethasone, which is a glucocorticoid used as an anti-inflammatory agent. Synonyms: (6β,11β,16α)-9-Fluoro-6,11,17-trihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al Hydrate. Grades: 98%. Molecular formula: C22H29FO7. Mole weight: 424.47. | |
| 21-Dehydro-6β-methyl Prednisone | 21-Dehydro-6β-methyl Prednisone is an impurity of Prednisone, which is a synthetic anti-inflammatory glucocorticoid used to treat inflammatory or immune-mediated responses, as well as endocrine or neoplastic diseases. Synonyms: (6β,11β)-6,11,17-Trihydroxy-3,20-dioxopregna-1,4-dien-21-al. Molecular formula: C21H26O6. Mole weight: 374.43. | |
| 21-Dehydro ?7,9(11)-Dexamethasone | 21-Dehydro ?7,9(11)-Dexamethasone is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: 9(11)-Dehydro Dexamethasone-7-ene 21-Aldehyde. Molecular formula: C22H24O4. Mole weight: 352.42. | |
| 21-Dehydro ?8(14),9(11)-Dexamethasone | 21-Dehydro ?8(14),9(11)-Dexamethasone is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: (16α)-8(14),9(11)-Didehydro-17-hydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al. Molecular formula: C22H24O4. Mole weight: 352.42. | |
| 21-Dehydro Alclometasone | 21-Dehydro Alclometasone is an impurity of Alclometasone, which is a synthetic corticosteroid used in dermatology as an anti-inflammatory, antiallergic, antipruritic, vasoconstrictive and antiproliferative agent. Synonyms: (7α,16α)-7-Chloro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al; Pregna-1,4-dien-21-al, 7-chloro-11,17-dihydroxy-16-methyl-3,20-dioxo-, (7α,16α)-. Grades: >98%. Molecular formula: C22H27ClO5. Mole weight: 406.90. | |
| 21-Dehydrocorticosterone | 21-Dehydrocorticosterone is a metabolite of Corticosterone, a glucocorticoid. Synonyms: 11-Hydroxy-3,20-dioxo-pregn-4-en-21-al; Pregn-4-en-21-al, 11β-hydroxy-3,20-dioxo- (7CI,8CI); 11β-Hydroxy-3,20-dioxo-4-pregnen-21-al. Grades: > 95%. CAS No. 20287-97-2. Molecular formula: C21H28O4. Mole weight: 344.44. | |
| 21-Dehydro Dexamethasone 17-Propionate | 21-Dehydro Dexamethasone 17-Propionate is a metabolite of Desoxymetasone which is an anti-inflammatory agent. Synonyms: (11β,16α)-9-Fluoro-11-hydroxy-16-methyl-3,20-dioxo-17-(1-oxopropoxy)pregna-1,4-dien-21-al; Pregna-1,4-dien-21-al, 9-fluoro-11-hydroxy-16-methyl-3,20-dioxo-17-(1-oxopropoxy)-, (11β,16α)-; (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-oxoacetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate. Grades: ≥95%. CAS No. 62800-58-2. Molecular formula: C25H31FO6. Mole weight: 446.51. | |
| 21-Dehydro Dexamethasone Hydrate | 21-Dehydro Dexamethasone Hydrate is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: (11β,16α)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al Hydrate; 9-Fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-al Hydrate. Grades: 97%. Molecular formula: C22H27FO5.H2O. Mole weight: 408.46. | |
| 21-Dehydro Prednisolone 17-Ethyl Carbonate | 21-Dehydro Prednisolone 17-Ethyl Carbonate is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (11β)-17-[(Ethoxycarbonyl)oxy]-11-hydroxy-3,20-dioxopregna-1,4-dien-21-al; Ethyl (11β)-11-hydroxy-3,20,21-trioxopregna-1,4-dien-17-yl carbonate; Carbonic acid, ethyl (11β)-11-hydroxy-3,20,21-trioxopregna-1,4-dien-17-yl ester. Molecular formula: C24H30O7. Mole weight: 430.49. | |
| 21-Deoxy-11-keto Prednisolone 17-Propionate | 21-Deoxy-11-keto Prednisolone 17-Propionate is used in the preparation of Prednisolone, which is a synthetic glucocorticoid used to treat a variety of inflammatory and auto-immune conditions. Synonyms: Pregna-1,4-diene-3,11,20-trione, 17-hydroxy-, propionate. CAS No. 22958-40-3. Molecular formula: C24H30O5. Mole weight: 398.49. | |
| 21-Deoxy Cortisol | 21-Deoxy Cortisol is a metabolite of Fluticasone propionate. Synonyms: (11β)-11,17-Dihydroxypregn-4-ene-3,20-dione; 11β,17-Dihydroxypogesterone; 11β,17α-Dihydroxypregn-4-ene-3,20-dione; 21-Dehydrohydrocortisone; 21-Deoxyhydrocortisone; 21-Desoxycortisol; Pregn-4-ene-11β,17α-diol-3,20-dione. Grades: > 95%. CAS No. 641-77-0. Molecular formula: C21H30O4. Mole weight: 346.46. | |
| 21-Deoxy Cortisone | 21-Deoxy Cortisone is a Cortisone derivative, a glucocorticoid. Synonyms: 17-Hydroxypregn-4-ene-3,11,20-trione; 17α-Hydroxy-11-oxoprogesterone; 17α-Hydroxypregn-4-ene-3,11,20-trione; 21-Desoxycortisone; 4-Pregnene-17α-ol-3,11,20-trione; 6-Pregn-4-en-17α-ol-3,11,20-trione; NSC 38722. Grades: > 95%. CAS No. 1882-82-2. Molecular formula: C21H28O4. Mole weight: 344.44. | |
| 21-Deoxyprednisolone | 21-Deoxyprednisolone is an analog of prednisolone. It is metabolically interconvertible with Prednisone. Prednisolone is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Deprodone; 11β,17-Dihydroxypregna-1,4-diene-3,20-dione; Prednisolone Acetate EP Impurity D; Prednisolone Impurity 31; (11β)-11,17-Dihydroxypregna-1,4-diene-3,20-dione; Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-, (11β)-. Grades: ≥95%. CAS No. 20423-99-8. Molecular formula: C21H28O4. Mole weight: 344.44. | |
| 21-Deoxyprednisolone 17α-Propionate | RD20000, a corticosteroid, is a topical antiinflammatory agent. Synonyms: Deprodone Propionate; (11β)-11-Hydroxy-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione; RD 20000; (11β)-11-Hydroxy-3,20-dioxopregna-1,4-dien-17-yl propionate; Pregna-1,4-diene-3,20-dione, 11-hydroxy-17-(1-oxopropoxy)-, (11β)-; 21-Deoxyprednisolone; (11β)-11,17-Dihydroxypregna-1,4-diene-3,20-dione. Grades: ≥95%. CAS No. 20424-00-4. Molecular formula: C24H32O5. Mole weight: 400.51. | |
| 21-Desacetoxy-21-Chloro Anecortave | 21-Desacetoxy-21-Chloro Anecortave has been used in the preparation of pregnane derivatives. Synonyms: 21-Chloro-17-hydroxy-pregna-4,9(11)-diene-3,20-dione. Grades: > 95%. CAS No. 75868-48-3. Molecular formula: C21H27ClO3. Mole weight: 362.89. | |
| 21-Desacetoxy Anecortave | 21-Desacetoxy Anecortave is has been used in the synthesis of the ophthalmic drug fluorometholone. Synonyms: 17-Hydroxypregna-4,9(11)-diene-3,20-dione; 17-Hydroxypregn-4,9(11)-diene-3,20-dione. Grades: > 95%. CAS No. 34184-82-2. Molecular formula: C21H28O3. Mole weight: 328.45. | |
| 21-Desacetyl-21-dehydro Difluprednate | 21-Desacetyl-21-dehydro Difluprednate is an impurity of Difluprednate, which is shown to have anti-inflammatory activity. Synonyms: (6α,11β)-6,9-Difluoro-11-hydroxy-3,20-dioxo-17-(1-oxobutoxy)pregna-1,4-dien-21-al. Molecular formula: C25H30F2O6. Mole weight: 464.50. | |
| 21-Desacetyl-21-isovaleroyl Difluprednate | 21-Desacetyl-21-isovaleroyl Difluprednate is an impurity of the drug Difluprednate, which is used for the treatment of post-operative ocular inflammation and pain. Synonyms: (6α,11β)-17-(Butyryloxy)-6,9-difluoro-11-hydroxy-3,20-dioxopregna-1,4-dien-21-yl 3-methylbutanoate; Butanoic acid, 3-methyl-, (6α,11β)-6,9-difluoro-11-hydroxy-3,20-dioxo-17-(1-oxobutoxy)pregna-1,4-dien-21-yl ester. Molecular formula: C30H40F2O7. Mole weight: 550.63. | |
| 21-Desacetyl 21-O-Iodometyl Deflazacort | 21-Desacetyl 21-O-Iodometyl Deflazacort is an impurity of Deflazacort, which is a systemic corticosteroid used to treat rheumatoid arthritis and lupus. Synonyms: 2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a,10-trimethyl-4-oxo-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d]oxazol-8b-yl)-2-oxoethyl hypoiodite. Grades: 99%. Molecular formula: C23H28INO5. Mole weight: 525.38. | |
| 21-Desacetyl Deflazacort | A metabolite of Deflazacort, a systemic corticosteroid, a derivative of prednisolone and used for rheumatoid arthritis and lupus. Synonyms: 5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,20-dione, 11,21-dihydroxy-2'-methyl-, (11β,16β)-; (11β,16β)-11,21-Dihydroxy-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione; Deacetyldeflazacort; Deflazacortalcohol; 21-Deacetyldeflazacort; 5'βH-Pregna-1,4-dieno[17,16-d]oxazole-3,20-dione, 11β,21-dihydroxy-2'-methyl-; L 6485. Grades: ≥95%. CAS No. 13649-57-5. Molecular formula: C23H29NO5. Mole weight: 399.48. | |
| 21-Deschloromethyl-21-O-Ethoxycarbonyl Loteprednol Etabonate | 21-Deschloromethyl-21-O-Ethoxycarbonyl Loteprednol Etabonate is an impurity of Loteprednol, which is a corticosteroid used to treat inflammations of the eye. Synonyms: Loteprednol Impurity 3; (11β,17α)-17-[(Ethoxycarbonyl)oxy]-11-hydroxy-3-oxo-androsta-1,4-diene-17-carboxylic Acid Anhydride with Ethyl Hydrogen Carbonate; Prednisolone Dicarbonate; Androsta-1,4-diene-17-carboxylic acid, 17-[(ethoxycarbonyl)oxy]-11-hydroxy-3-oxo-, anhydride with ethyl hydrogen carbonate, (11β,17α)-; (11β,17α)-17-{[(Ethoxycarbonyl)oxy]carbonyl}-11-hydroxy-3-oxoandrosta-1,4-dien-17-yl ethyl carbonate; Carbonic acid, (11β,17α)-17-[[(ethoxycarbonyl)oxy]carbonyl]-11-hydroxy-3-oxoandrosta-1,4-dien-17-yl ethyl ester. Grades: ≥95%. CAS No. 133991-62-5. Molecular formula: C26H34O9. Mole weight: 490.54. | |
| 21-Hemiacetal Dexamethasone | Synonyms: 21-?Hemiacetal dexamethasone; 473273-03-9. Grades: > 95%. CAS No. 473273-03-9. Molecular formula: C23H31FO6. Mole weight: 422.49. | |
| 21-Hydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione | 21-Hydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: (16α)-21-Hydroxy-16-methylpregna-1,4,9(11)-triene-3,20-dione; Dexamethasone Impurity. CAS No. 56016-90-1. Molecular formula: C22H28O3. Mole weight: 340.45. | |
| 21-Hydroxy Eplerenone | A metabolite of Eplerenone. Eplerenone is a potassium-sparing diuretic that selectively blocks aldosterone activation of the mineralcorticoid receptor, demonstrating little activity towards other steroid receptors. Synonyms: (7α,11α,17α)-9,11-epoxy-17, 21-hydroxy- -3-oxo-pregn-4-ene-7,21-dicarboxylic acid, γ-lactone, 7-methyl ester. Grades: > 95%. Molecular formula: C24H30O7. Mole weight: 430.50. | |
| 21-O-Acetyl 6β-Hydroxy Dexamethasone | 21-O-Acetyl 6β-Hydroxy Dexamethasone is a protected metabolite of Dexamethasone, which is a glucocorticoid used as an anti-inflammatory agent. Synonyms: (6β,11β,16α)-9-Fluoro-6,11,17-trihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-fluoro-6,11,17-trihydroxy-16-methyl-, (6β,11β,16α)-. Grades: ≥90%. CAS No. 72559-77-4. Molecular formula: C24H31FO7. Mole weight: 450.50. | |
| 21-O-tert-Butyldimethylsilyl Methyl Prednisone | 21-O-tert-Butyldimethylsilyl Methyl Prednisone is a metabolite of Meprednisone. Synonyms: (6α)-21-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-17-hydroxy-6-methylpregna-1,4-diene-3,11,20-trione; Pregna-1,4-diene-3,11,20-trione, 21-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-17-hydroxy-6-methyl-, (6α)-. Grades: 98%. Molecular formula: C28H42O5Si. Mole weight: 486.71. | |
| 21-Propionyloxy Δ8(9)-Dexamethasone | 21-Propionyloxy Δ8(9)-Dexamethasone is a derivative of Dexamethasone, which is a glucocorticoid used as an anti-inflammatory agent. Synonyms: (11β,16α)-11,17-dihydroxy-16-methyl-21-(1-oxopropoxy)-pregna-1,4,8-triene-3,20-dione; [2-[(10S,11S,13S,14S,16R,17R)-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-7,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] propanoate; (11β,16α)-11,17-Dihydroxy-16-methyl-3,20-dioxopregna-1,4,8-trien-21-yl propionate; Pregna-1,4,8-triene-3,20-dione, 11,17-dihydroxy-16-methyl-21-(1-oxopropoxy)-, (11β,16α)-. Molecular formula: C25H32O6. Mole weight: 428.52. | |
| 21(R)-Hydroxy Montelukast | 21(R)-Hydroxy Montelukast is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: [R-[R*, R*- (E) ]]-1-[[[1-[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid; Montelukast M5b; {1-[ ({ (1R, 3R) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-hydroxy-3-[2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetic acid; Cyclopropaneacetic acid, 1-[[[ (1R, 3R) -1-[3-[ (E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-. Grades: 95%. CAS No. 184763-26-6. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. | |
| 2-[(1S)-1-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-2-(4-fluorophenyl)-2-oxoethoxy]acetic Acid Methyl Ester | 2-[(1S)-1-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-2-(4-fluorophenyl)-2-oxoethoxy]acetic Acid Methyl Ester is an intermediate in the preparation of Aprepitant, a novel selective neurokinin-1 (NK-1) receptor antagonist. Uses: Intermediate in the preparation of aprepitant metabolites. Synonyms: Methyl [(1S)-1-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-2-(4-fluorophenyl)-2-oxoethoxy]acetate; [(1S)-1-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-2-(4-fluorophenyl)-2-oxoethoxy]acetic Acid Methyl Ester; Acetic acid, 2-[(1S)-1-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-2-(4-fluorophenyl)-2-oxoethoxy]-, methyl ester. Grades: ≥95%. CAS No. 419574-29-1. Molecular formula: C21H17F7O5. Mole weight: 482.34. | |
| 2-(((1S,2R,4S)-4-(Dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)amino)-2-oxoacetic Acid | An impurity of Edoxaban, which is an oral anticoagulant drug and a direct factor Xa inhibitor. Synonyms: Edoxaban impurity M. Grades: ≥95%. CAS No. 767625-11-6. Molecular formula: C19H27N5O5S. Mole weight: 437.52. | |
| 21(S)-Hydroxy Montelukast | 21(S)-Hydroxy Montelukast is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: [R-[R*, S*- (E) ]]-1-[[[1-[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid; Montelukast M5a; {1-[ ({ (1R, 3S) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-hydroxy-3-[2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetic acid; Cyclopropaneacetic acid, 1-[[[ (1R, 3S) -1-[3-[ (E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-. Grades: 95%. CAS No. 184763-29-9. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. | |
| 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol | 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol is an intermediate of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: (αS)-α-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)benzenepropanol α-Methanesulfonate; Montelukast Impurity 35; Benzenepropanol, α-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)-, α-methanesulfonate, (αS)-; 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol. Grades: ≥95%. CAS No. 807638-71-7. Molecular formula: C30H30ClNO4S. Mole weight: 536.08. | |
| 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide | 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide is the impuritiy of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Synonyms: 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide; 4-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide. CAS No. 125971-96-2. Molecular formula: C26H24FNO3. Mole weight: 417.47. | |
| 2-[2-[4-[(R)-(4-Chlorophenyl)phenylmethyl]-1-iperazinyl]ethoxy]-acetamide | Cas No. 909779-33-5. | |
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