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| Product | Description | |
|---|---|---|
| 6,7-Dichloro-1,2,3,4-tetrahydro-isoquinoline Hydrochloride | Synonyms: Isoquinoline, 6,7-dichloro-1,2,3,4-tetrahydro-, hydrochloride (1:1). Grades: ≥95%. CAS No. 73075-49-7. Molecular formula: C9H10Cl3N. Mole weight: 238.54. |  |
| 6,7-Didehydro Ethynyl Estradiol (Impurity I) | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (1S,10R,11S,14R,15S)-14-ethynyl-15- methylte- 2,4,6,8-tetraene-5,14-diol. Grades: > 95%. CAS No. 67703-68-8. Molecular formula: C20H22O2. Mole weight: 294.40. | |
| 6,7-dimethoxy-2-piperazin-1-ylquinazolin-4-amine hydrochloride | One impurity of Terazosin, which is a piperazine derivative and has been found to be an α-1-adrenergic blocker. Synonyms: 2-PIPERAZINE-4-AMINO-6,7-DIMETHOXYQUINAZOLINE HYDROCHLORIDE; SCHEMBL11079651; AUMKUQAWVQJGTR-UHFFFAOYSA-N; 2-Piperazine-4-amino-6,7-dimethoxy quinaoline hydrochloride; AKOS015960996; AB16715; AC-12620; FT-0641937; 2-Piperazine-4-amino-6,7-dimethoxyquinoline hydrochloride; 2-(piperazin-1-yl)-4-amino-6,7-dimethoxyquinazoline.hydrochloride; 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline hydrochloride; 6,7-DIMETHOXY-2-(PIPERAZIN-1-YL)QUINAZOLIN-4-AMINE HYDROCHLORIDE; 6,7-Dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine hydrochloride(1:x); 6,7-Dimethoxy-2-(piperazin-1-yl)quinazolin-4-aminehydrochloride(1:x). Grades: 95%. CAS No. 70843-11-7. Molecular formula: C14H20ClN5O2. Mole weight: 325.79. | |
| 6,7-O-Isopropylidenepseudomonic Acid A | 6,7-O-Isopropylidenepseudomonic acid A is an intermediate in the synthesis of Mupirocin, which is a t-RNA synthetase inhibitor used in the treatment of bacterial skin infections. Synonyms: 9-(((E)-4-((3aS,4S,7S,7aR)-7-(((2S,3S)-3-((2S,3S)-3-Hydroxybutan-2-yl)oxiran-2-yl)methyl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl)-3-methylbut-2-enoyl)oxy)nonanoic Acid; 9-({(2E)-4-[(3aS,4S,7S,7aR)-7-({(2S,3S)-3-[(2S,3S)-3-Hydroxy-2-butanyl]-2-oxiranyl}methyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-4-yl]-3-methyl-2-butenoyl}oxy)nonanoic acid; L-talo-Non-2-enonic acid, 5,9-anhydro-2,3,4,8-tetradeoxy-8-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-6,7-O-(1-methylethylidene)-, 8-carboxyoctyl ester, [2E,8[2S,3S(1S,2S)]]-. CAS No. 85362-54-5. Molecular formula: C29H48O9. Mole weight: 540.68. | |
| 6,8-Difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Sulfate | 6,8-Difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Sulfate is an intermediate of Marbofloxacin. Marbofloxacin is a carboxylic acid derivative third generation fluoroquinolone antibiotic. Synonyms: 6,8-difluoro-1-(methylamino)-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid compound with sulfuric acid (1:1); Marbofloxacin EP Impurity C Sulfate; 6,8-Difluoro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid sulfate (1:1); 3-Quinolinecarboxylic acid, 6,8-difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-, sulfate (1:1). Molecular formula: C16H20F2N4O7S. Mole weight: 450.41. | |
| 6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester | 6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester is an intermediate of Marbofloxacin. Marbofloxacin is a carboxylic acid derivative third generation fluoroquinolone antibiotic. Synonyms: 6,8-Difluoro-1-(formylmethylamino)-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid ethyl ester; Ethyl 6,8-difluoro-7-(4-methyl-1-piperazinyl)-4-oxo-1-[(2-oxoethyl)amino]-1,4-dihydro-3-quinolinecarboxylate; 3-Quinolinecarboxylic acid, 6,8-difluoro-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-1-[(2-oxoethyl)amino]-, ethyl ester. Grades: 99%. CAS No. 158585-86-5. Molecular formula: C19H22F2N4O4. Mole weight: 408.40. | |
| 6,8-dihydropyrrolo[2,3-g][1,3]benzothiazol-7-one | Synonyms: 6H-thiazolo[5,4-e]indol-7(8H)-one; 6,8-Dihydro-7H-[1,3]thiazolo[5,4-e]indol-7-one; 6,8-dihydro-1-thia-3,6-diaza-as-indacen-7-one. Grades: 95%. CAS No. 222036-27-3. Molecular formula: C9H6N2OS. Mole weight: 190.22. | |
| 6-acetyl-2-amino-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one | An impurity of Palbociclib which is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6. Synonyms: Palbociclib Impurity 27; Pyrido(2,3-d)pyrimidin-7(8H)-one, 6-acetyl-2-amino-8-cyclopentyl-5-methyl-. CAS No. 571189-64-5. Molecular formula: C15H18N4O2. Mole weight: 286.33. | |
| 6-Acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one | An impurity of Palbociclib which is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6. Synonyms: Palbociclib Impurity 26; Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-5-methyl-2-[[5-(4-methyl-1-piperazinyl)-2-pyridinyl]amino]-. CAS No. 571189-51-0. Molecular formula: C25H31N7O2. Mole weight: 461.57. | |
| 6-Acetyl-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidine-2,7(3H,8H)-dione | An impurity of Palbociclib which is a drug for the treatment of ER-positive and HER2-negative breast cancer. Synonyms: Pyrido(2,3-d)pyrimidine-2,7(1H,8H)-dione, 6-acetyl-8-cyclopentyl-5-methyl-; Palbociclib Impurity I. Grades: ≥95%. CAS No. 2172256-78-7. Molecular formula: C15H17N3O3. Mole weight: 287.31. | |
| 6-alfa-7-alfa-Drospirenone | A key intermediate for the synthetic preparation of Drospirenone analogues. Drospirenone impurity. Synonyms: (2'S, 6S, 7S, 8R, 9S, 10R, 13S, 14S, 15S, 16S)-1, 3', 4', 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21-Hexadecahydro-10, 13-dimethyl- spiro[17H-dicyclopropa[6, 7:15, 16]cyclopenta[a]phenanthrene-17, 2'(5'H)-furan]-3, 5'(2H)-dione. Grades: > 95%. CAS No. 889652-31-7. Molecular formula: C24H30O3. Mole weight: 366.5. | |
| (6α,?11β)-11,?21-Dihydroxy-6-methyl-pregna-1,?4-diene-3,?20-dione | Cas No. 103744-18-9. | |
| (6α,11β,16α)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione | (6α,11β,16α)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione is an intermediate of Flunisolide, which is a corticosteroid related to Prednisolone commonly used to treat allergic rhinitis. Synonyms: Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (6α,11β,16α)-; 2H-Naphth[2',1':4,5]indeno[1,2-d][1,3]dioxole, pregna-1,4-diene-3,20-dione deriv.; Pregna-1,4-diene-3,20-dione, 9-bromo-6α-fluoro-11β,16α,17,21-tetrahydroxy-, cyclic 16,17-acetal with acetone, 21-acetate. Grades: ≥95%. CAS No. 4991-55-3. Molecular formula: C26H32BrFO7. Mole weight: 555.43. | |
| (6α,11β,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid | (6α,11β,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Methylprednisolone Impurity 4; (6α,11β,14ξ,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid; Androsta-1,4-diene-17-carboxylic acid, 11,17-dihydroxy-6-methyl-3-oxo-, (6α,11β,14ξ,17α)-. Grades: 98%. CAS No. 167997-11-7. Molecular formula: C21H28O5. Mole weight: 360.44. | |
| (6α,?11β)-6,?9-Difluoro-11,?21-dihydroxy-pregna-1,?4-diene-3,?20-dione | Cas No. 2353-16-4. | |
| (6α)-21-(Acetyloxy)-17-hydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione | (6α)-21-(Acetyloxy)-17-hydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione is an intermediate in the synthesis of 6α-methylprednisolone 21-acetate. Synonyms: 17,21-Dihydroxy-6α-methyl-pregna-1,4,9(11)-triene-3,20-dione 21-Acetate; NSC 86007; 21-Acetoxy-17alpha-hydroxy-6alpha-methylpregna-1,4,9-(11)-triene-3,20-dione; [2-[(6S,8S,10R,13S,14S,17R)-17-hydroxy-6,10,13-trimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate; Pregna-1,4,9(11)-triene-3,20-dione, 21-(acetyloxy)-17-hydroxy-6-methyl-, (6α)-. Grades: ≥95%. CAS No. 93239-37-3. Molecular formula: C24H30O5. Mole weight: 398.49. | |
| 6α,9α-Difluoro-11β,17α-dihydroxy-16α-methyl-3-oxoandrosta-1,4-diene-17a-carbothioic Acid | A precursor to fluticasone. Synonyms: (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carbothioic S-acid. Grades: 98%. CAS No. 80473-92-3. Molecular formula: C21H26F2O4S. Mole weight: 412.49. | |
| 6α,?9α-?Difluoro-11β,21-dihydroxy-pregna-1,4,16-triene-3,20-dione | Cas No. 1270039-29-6. | |
| 6α,9α-Difluoro-11β-hydroxyboldione | 6α,9α-Difluoro-11β-hydroxyboldione is an impurity of the drug Difluprednate, which is used for the treatment of post-operative ocular inflammation and pain. Synonyms: (6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-3H-cyclopenta[a]phenanthrene-3,17(6H)-dione; Diflupredinate Impurity M; (6α,11β)-6,9-Difluoro-11-hydroxyandrosta-1,4-diene-3,17-dione; Androsta-1,4-diene-3,17-dione, 6,9-difluoro-11-hydroxy-, (6α,11β)-. Molecular formula: C19H22F2O3. Mole weight: 336.37. | |
| 6α,9α-Difluoroprednisolone-17-butyrate | An impurity of prednisolone. Prednisolone is a steroid drug used for the treatment of multiple inflammatory conditions, allergies, autoimmune disorders and cancers. Synonyms: (6α,11β)-6,9-Difluoro-11,21-dihydroxy-17-(1-oxobutoxy)pregna-1,4-diene-3,20-dione; 6α,9-Difluoro Prednisolone 17-Butyrate. Grades: > 95%. CAS No. 23640-96-2. Molecular formula: C25H32F2O6. Mole weight: 466.53. | |
| 6α,?9α-?Difluoroprednisolone 21-Acetate | 6α,9α-Difluoroprednisolone 21-Acetate is an impurity of Difluprednate, which is shown to have anti-inflammatory activity. Synonyms: (6α,11β)-21-(Acetyloxy)-6,9-difluoro-11,17-dihydroxypregna-1,4-diene-3,20-dione; 6α,9-Difluoro-11β,17,21-trihydroxypregna-1,4-diene-3,20-dione. Grades: 98%. CAS No. 52-70-0. Molecular formula: C23H28F2O6. Mole weight: 438.46. | |
| (6α, 9β, 11β, 16α)-21-(Acetyloxy)-9, 11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1, 4-diene-3, 20-dione | (6α, 9β, 11β, 16α)-21-(Acetyloxy)-9, 11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1, 4-diene-3, 20-dione is a derivative of Desoxymetasone which is an anti-inflammatory agent. Synonyms: 9,11β-Epoxy-6α-fluoro-17,21-dihydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione 21-Acetate; 9,11-Epoxy-9H-cyclopenta[a]phenanthrene, Pregna-1,4-diene-3,20-dione deriv.; (6α, 9β, 11β, 16α)-6-Fluoro-17-hydroxy-16-methyl-3, 20-dioxo-9, 11-epoxypregna-1, 4-dien-21-yl acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methyl-, (6α, 9β, 11β, 16α)-. Grades: ≥95%. CAS No. 4571-51-1. Molecular formula: C24H29FO6. Mole weight: 432.48. | |
| 6α-9-Difluoroprednisolone-17-Carboxylate | 6α-9-Difluoroprednisolone-17-Carboxylate is an impurity of the drug Difluprednate, which is used for the treatment of post-operative ocular inflammation and pain. Synonyms: Difluprednate Impurity 14; (6S,8S,9R,10S,11S,13S,14S,17R)-6,9-difluoro-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid; (6α,11β,17α)-6,9-difluoro-11,17-dihydroxy-3-oxoandrosta-1,4-diene-17-carboxylic acid; Androsta-1,4-diene-17-carboxylic acid, 6,9-difluoro-11,17-dihydroxy-3-oxo-, (6α,11β,17α)-. Grades: ≥95%. CAS No. 1234557-20-0. Molecular formula: C20H24F2O5. Mole weight: 382.40. | |
| 6α-Bromo-9-fluoro-16β-methylprednisolone | 6α-Bromo-9-fluoro-16β-methylprednisolone is an impurity of Methylprednisolone, which is a synthetic glucocorticoid used primarily for anti-inflammatory and immunosuppressive effects. Molecular formula: C21H26BrFO5. Mole weight: 457.33. | |
| 6α-Fluprednisolone | 6α-Fluprednisolone is a metabolite of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Uses: Anti-inflammatory agents, steroidal; glucocorticoids, synthetic. Synonyms: Alphadrol; Fluprednisolone; NSC 47439; U 7800; Vladicort; 6α-Fluoro-11β,17,21-trihydroxypregna-1,4-diene-3,20-dione; 6α-Fluoro-11β,17α,21-trihydroxypregna-1,4-diene-3,20-dione; (6α,11β)-6-Fluoro-11,17,21-trihydroxypregna-1,4-diene-3,20-dione. Grades: ≥95%. CAS No. 53-34-9. Molecular formula: C21H27FO5. Mole weight: 378.43. | |
| 6-alpha-Hydroxy Cortisone | Grades: > 95%. CAS No. 67010-76-8. Molecular formula: C21H28O6. Mole weight: 376.45. | |
| 6-alpha Hydroxy Estradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 1,3,5(10)-Estratriene-3,6α,17β-triol. Grades: > 95%. CAS No. 1229-24-9. Molecular formula: C18H24O3. Mole weight: 288.39. | |
| 6α-Hydroxy Paclitaxel | 6α-Hydroxy Paclitaxel is the major human metabolite of Paclitaxel is a derivative of Paclitaxel, which is a chemotherapy medication used to treat a number of types of cancer. Synonyms: 6α-Hydroxy Taxol; 6-Hydroxypaclitaxel; Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, (2aR, 3S, 4R, 4aS, 6R, 9S, 11S, 12S, 12aR, 12bS)-6, 12b-bis(acetyloxy)-12-(benzoyloxy)-2a, 3, 4, 4a, 5, 6, 9, 10, 11, 12, 12a, 12b-dodecahydro-3, 4, 11-trihydroxy-4 a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-; (2α, 5β, 6α, 7β, 10β, 13α)-4, 10-Diacetoxy-13-{[(2R, 3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]oxy}-1, 6, 7-trihydroxy-9-oxo-5, 20-epoxytax-11-en-2-yl benzoate. Grades: 90%. CAS No. 153212-75-0. Molecular formula: C47H51NO15. Mole weight: 869.90. | |
| 6α-Hydroxy Prednisolone Acetate | 6α-Hydroxy Prednisolone Acetate is a metabolite 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: (6α,11β)-21-(Acetyloxy)-6,11,17-trihydroxy-pregna-1,4-diene-3,20-dione; (6α,11β)-6,11,17-Trihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-6,11,17-trihydroxy-, (6α,11β)-. Grades: ≥95%. CAS No. 134526-05-9. Molecular formula: C23H30O7. Mole weight: 418.48. | |
| 6α-Methyl-20(R)-hydroxy Prednisolone 21-Acetate | 6α-Methyl-20(R)-hydroxy Prednisolone 21-Acetate is a metabolite of 6α-Methyl Prednisolone, which is a glucocorticoid with anti-inflammatory and antioxidant properties. Synonyms: (6α,11β,20R)-21-(Acetyloxy)-11,17,20-trihydroxy-6-methylpregna-1,4-dien-3-one; Methylprednisolone Acetate EP Impurity A; (6α,20R)-11,17,20-Trihydroxy-6-methyl-3-oxopregna-1,4-dien-21-yl acetate; Pregna-1,4-dien-3-one, 21-(acetyloxy)-11,17,20-trihydroxy-6-methyl-, (6α,20R)-; (20R)-11β,17,20,21-tetrahydroxy-6α-methylpregna-1,4-dien-3-one 21-acetate. Grades: ≥95%. CAS No. 93963-74-7. Molecular formula: C24H34O6. Mole weight: 418.52. | |
| 6α-Methyl Hydrocortisone 21-Acetate | 6α-Methyl Hydrocortisone 21-Acetate is an impurity of Cortisone, which is a naturally-occurring pregnane (21-carbon) steroid hormone used to treat a variety of ailments. Synonyms: (6α,11β)-21-(Acetyloxy)-11,17-dihydroxy-6-methylpregn-4-ene-3,20-dione; 17-Hydroxy-6α-methylcorticosterone 21-Acetate; 21-Acetoxy-11β,17-dihydroxy-6α-methylpregn-4-ene-3,20-dione; NSC 19988; U 7642. Grades: ≥95%. CAS No. 1625-11-2. Molecular formula: C24H34O6. Mole weight: 418.52. | |
| 6α-Methyl Mometasone Furoate | | |
| 6α-Methyl Prednisolone 17-Methylhemisuccinate | 6α-Methyl Prednisolone 17-Methylhemisuccinate is an intermediate in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (6α,11β)-11,21-Dihydroxy-6-methyl-3,20-dioxopregna-1,4-dien-17-yl methyl succinate; Butanedioic acid, (6α,11β)-11,21-dihydroxy-6-methyl-3,20-dioxopregna-1,4-dien-17-yl methyl ester. Molecular formula: C27H36O8. Mole weight: 488.57. | |
| 6α-Methyl Prednisolone 21-Acetate | Cas No. 53-36-1. | |
| 6α-Methyl Prednisolone 21-O-β-D-Glucuronide | 6α-Methyl Prednisolone 21-O-β-D-Glucuronide is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (6α,11β)-11,17-Dihydroxy-6-methyl-3,20-dioxopregna-1,4-dien-21-yl β-D-Glucopyranosiduronic Acid; Pregna-1,4-diene-3,20-dione, 21-(β-D-glucopyranuronosyloxy)-11,17-dihydroxy-6-methyl-, (6α,11β)-; β-D-Glucopyranosiduronic acid, (6α,11β)-11,17-dihydroxy-6-methyl-3,20-dioxopregna-1,4-dien-21-yl. CAS No. 805219-19-6. Molecular formula: C28H38O11. Mole weight: 550.59. | |
| 6α-Methyl Prednisolone 21-Sulfate Ester | 6α-Methyl Prednisolone 21-Sulfate Ester is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (6α,11β)-11,17-Dihydroxy-6-methyl-21-(sulfooxy)pregna-1,4-diene-3,20-dione; Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-6-methyl-21-(sulfooxy)-, (6α,11β)-. Grades: ≥95%. CAS No. 1127921-80-5. Molecular formula: C22H30O8S. Mole weight: 454.53. | |
| 6α-Methyl Prednisolone 3,20-Dioxime | 6α-Methyl Prednisolone 3,20-Dioxime is a protected intermediate in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxy-1-(hydroxyimino)ethyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one oxime. Molecular formula: C22H32N2O5. Mole weight: 404.51. | |
| 6-alpha-methyl prednisolone aceponate | 6-alpha-methyl prednisolone aceponate is a derivative of prednisolone. It can be used in the treatment of seborrhoeic dermatitis. Uses: Anti-inflammatory agents. Synonyms: 6α-Methyl Prednisolone Aceponate; (6α,11β)-21-(Acetyloxy)-11-hydroxy-6-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione; Advantan; ZK 91588. Grades: >95%. CAS No. 86401-95-8. Molecular formula: C27H36O7. Mole weight: 472.58. | |
| 6α-Methyl Prednisolone Cyclic 17,21-(Ortho Ester) Succinic Monoorthoacid Dimethyl Ester | 6α-Methyl Prednisolone Cyclic 17,21-(Ortho Ester) Succinic Monoorthoacid Dimethyl Ester is an intermediate in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Spiro[17H-cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-2'-propanoic acid, 3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-11-hydroxy-2'-methoxy-6,10,13-trimethyl-3,5'-dioxo-, methyl ester, (6S,8S,9S,10R,11S,13S,14S,17R)-. Molecular formula: C28H38O8. Mole weight: 502.60. | |
| 6α-Methyl Prednisone | 6α-Methyl Prednisone is a metabolite 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: 17,21-Dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione; (6α)-17,21-Dihydroxy-6-methylpregna-1,4-diene-3,11,20-trione; 1,4-Pregnadien-6-α-methyl-17,21-diol-3,11,20-trione; NSC 63546. Grades: ≥95%. CAS No. 91523-05-6. Molecular formula: C22H28O5. Mole weight: 372.45. | |
| 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7,9-dihydro-8H-purin-8-one | An impurity of Riociguat. Riociguat is used in the treatment for pulmonary hypertension. Synonyms: Riociguat Impurity 13; 6-Amino-2-[1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-8H-purin-8-one. CAS No. 1361569-10-9. Molecular formula: C18H13FN8O. Mole weight: 376.35. | |
| 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7,9-dimethyl-7,9-dihydro-8H-purin-8-one | An impurity of Riociguat. Riociguat is used in the treatment for pulmonary hypertension. Synonyms: 7,9-Dimethyl-7,9-dihydro-8H-purin-8-one, 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-; Riociguat Impurity 12. Grades: 99% by HPLC. CAS No. 1361569-23-4. Molecular formula: C20H17FN8O. Mole weight: 404.40. | |
| 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7-methyl-7,9-dihydro-8H-purin-8-one | An impurity of Riociguat. Riociguat is used in the treatment for pulmonary hypertension. Synonyms: 8h-purin-8-one, 6-amino-2-[1-[(2-fluorophenyl)methyl]-1h-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-7-methyl-; Methyl-dihydropurinone; Riociguat Impurity 11. CAS No. 1361569-18-7. Molecular formula: C19H15FN8O. Mole weight: 390.37. | |
| 6-Amino-2,4-di-tert-butylphenyl Methyl Carbonate | 6-Amino-2,4-di-tert-butylphenyl Methyl Carbonate is an intermediate of Ivacaftor, a drug used in the treatment of cystic fibrosis. Synonyms: 2-amino-4,6-di-tert-butylphenyl methyl carbonate; 2-Amino-4,6-bis(2-methyl-2-propanyl)phenyl methyl carbonate; Carbonic acid, 2-amino-4,6-bis(1,1-dimethylethyl)phenyl methyl ester. Molecular formula: C16H25NO3. Mole weight: 279.37. | |
| 6-Amino-5-(1,1-dimethylethyl)-3,3-dimethyl-2(3H)-benzofuranone | 6-Amino-5-(1,1-dimethylethyl)-3,3-dimethyl-2(3H)-benzofuranone is an intermediate in the synthesis of Ivacaftor, which is a CFTR potentiator used in the treatment of cystic fibrosis. Synonyms: 6-Amino-5-(tert-butyl)-3,3-dimethylbenzofuran-2(3H)-one; 2(3H)-Benzofuranone, 6-amino-5-(1,1-dimethylethyl)-3,3-dimethyl-; 6-Amino-3,3-dimethyl-5-(2-methyl-2-propanyl)-1-benzofuran-2(3H)-one; 6-Amino-5-(tert-butyl)-3,3-dimethylbenzo[b]furan-2(3H)-one. Grades: ≥95%. CAS No. 1246213-40-0. Molecular formula: C14H19NO2. Mole weight: 233.31. | |
| 6-Amino-5-(hydroxyamino)-3-methylpyrimidine-2,4(1H,3H)-dione | | |
| 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil | 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: N-(4-Amino-1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-5-pyrimidinyl)-N-methyl-formamide; 6-amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl(methyl)formamide; 6-amino-5-[N-methyl-formylamino )-3-methyluracil; N-(6-Amino-1,2,3,4-tetrahydro-3-methyl-2,4-dioxopyrimidine-5-yl)-N-methylformamide; Caffeine Impurity 4. Grades: 98%. CAS No. 55782-76-8. Molecular formula: C7H10N4O3. Mole weight: 198.18. | |
| 6-APA Piperacillin Dimer | 6-APA Piperacillin Dimer is an impurity of Piperacillin, which is a broad-spectrum semi-synthetic antibiotic related to Penicillin. Synonyms: (2S,5R,6R)-6-((2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[(2S,5R,6R)-6-[[(2R)-2-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-. Grades: 97%. Molecular formula: C31H37N7O9S2. Mole weight: 715.80. | |
| 6-(Benzyloxy)-2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-chroman | 6-(Benzyloxy)-2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-chroman is an intermediate of β-Tocopherol, which is one of the naturally occurring forms of Vitamin E. Synonyms: 3,4-Dihydro-2,5,8-trimethyl-6-(phenylmethoxy)-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran; 2H-1-Benzopyran, 3,4-dihydro-2,5,8-trimethyl-6-(phenylmethoxy)-2-(4,8,12-trimethyltridecyl)-; Chroman, 6-(benzyloxy)-2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-. CAS No. 873416-79-6. Molecular formula: C35H54O2. Mole weight: 506.80. | |
| (6β,11α)-11-Hydroxy-6-methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-en-3-one | (6β,11α)-11-Hydroxy-6-methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-en-3-one is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C24H34O6. Mole weight: 418.52. | |
| 6-?β-?Hydroxycortisol Sulfate | 6-β-Hydroxycortisol Sulfate is used in the synthesis of corticosteroids in human blood. Synonyms: 6-β-Hydroxycortisol Monosulfate. Grades: > 95%. CAS No. 53587-06-7. Molecular formula: C21H30O9S. Mole weight: 458.52. | |
| 6β-Hydroxycortisone | 6β-Hydroxycortisone can be used as a probe to detect inhibition of CYP3A4 in vivo. Synonyms: (6β)-6,17,21-Trihydroxy-pregn-4-ene-3,11,20-trione; 11-Dehydro-6β,17-dihydroxy-corticosterone; 6β,17,21-Trihydroxy-pregn-4-ene-3,11,20-trione; 6β,17α,21-Trihydroxy-4-pregnene-3,11,20-trione; NSC 15457. Grades: > 95%. CAS No. 16355-28-5. Molecular formula: C21H28O6. Mole weight: 376.44. | |
| 6β-Hydroxy Dexamethasone | The hydrophilic metabolite of Dexamethasone. Synonyms: (6β,11β,16α)-9-Fluoro-6,11,17,21-tetrahydroxy-16-methylpregna-1,4-diene-3,20-dione. Grades: > 95%. CAS No. 55879-47-5. Molecular formula: C22H29FO6. Mole weight: 408.46. | |
| 6β-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: (6β, 7α, 11α, 17α)-9, 11-Epoxy-6, 17-dihydroxy-3-oxo-pregn-4-ene-7, 21-dicarboxylic Acid γ-Lactone Methyl Ester. Grades: > 95%. CAS No. 209253-80-5. Molecular formula: C24H30O7. Mole weight: 430.50. | |
| 6-beta-Hydroxyestradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: Estra-1,3,5(10)-triene-3,6beta,17beta-triol. Grades: > 95%. CAS No. 3583-3-7. Molecular formula: C18H24O3. Mole weight: 288.39. | |
| 6-Bromo-5-(bromomethyl)-2-chloro-8-cyclopentylpyrido[2,3-d]pyrimidin-7(8H)-one | An impurity of Palbociclib which is a drug for the treatment of ER-positive and HER2-negative breast cancer. Synonyms: Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-bromo-5-(bromomethyl)-2-chloro-8-cyclopentyl-; Palbociclib Impurity U. Grades: ≥95%. CAS No. 2324831-15-2. Molecular formula: C13H12Br2ClN3O. Mole weight: 421.52. | |
| 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. | |
| 6-Bromo-8-cyclopentyl-5-methylquinazoline-2,7(3H,8H)-dione | An impurity of Palbociclib which is a drug for the treatment of ER-positive and HER2-negative breast cancer. Synonyms: Palbociclib Impurity R. Grades: ≥95%. CAS No. 1922954-32-2. Molecular formula: C13H14BrN3O2. Mole weight: 324.17. | |
| 6-C-beta-D-Glucopyranosyl-(2S,3S)-(+)-3',4',5,7-Tetrahydroxyflavanone | A novel flavonoid, isolated from Ulmus wallichiana Planchon mitigates ovariectomy-induced osteoporosis in rats. Synonyms: 6-C-β-d-glucopyranosyl-(2S,3S)-(+)-3',4',5,7-tetrahydroxyflavanone. Grades: > 95%. Molecular formula: C21H22O12. Mole weight: 466.40. | |
| 6-Dehydrocortisol 21-Hydrogen Succinate | 6-Dehydrocortisol 21-Hydrogen Succinate is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C25H32O8. Mole weight: 460.52. | |
| 6-Dehydrocortisol Acetate | 6-Dehydrocortisol Acetate, an acetylated derivative of 6-Dehydrocortisol, is a substituted corticosteroid with antiinflammatory activity. Synonyms: Δ6-Cortisol Acetate; Δ6-Hydrocortisone Acetate: (11β)-11,17,21-Trihydroxypregna-4,6-diene-3,20-dione Acetate; Δ6-Cortisol 21-Acetate; (11β)-21-(Acetyloxy)-11,17-dihydroxy-pregna-4,6-diene-3,20-dione. Grades: > 95%. CAS No. 21940-45-4. Molecular formula: C23H30O6. Mole weight: 402.48. | |
| 6-Dehydro Prednisolone | 6-Dehydro Prednisolone (Prednisolone EP Impurity H) is a metabolite 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)-11,17,21-Trihydroxypregna-1,4,6-triene-3,20-dione; 11β,17,21-Trihydroxypregna-1,4,6-triene-3,20-dione; NSC 12882; 6(7)-Dehydro Prednisolone; Prednisolone EP Impurity H. Grades: ≥95%. CAS No. 2427-64-7. Molecular formula: C21H26O5. Mole weight: 358.43. | |
| 6-Dehydro Prednisolone 21-O-Phosphate Disodium Salt | 6-Dehydro Prednisolone 21-O-Phosphate Disodium Salt is a metabolite 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-Dihydroxypregna-1,4,6-triene-3,20-dione 21-Phosphate Disodium Salt; 11β,17-Dihydroxypregna-1,4,6-triene-3,20-dione 21-Phosphate Disodium Salt. Molecular formula: C21H25Na2O8P. Mole weight: 482.37. | |
| 6-Desacetyl-6-Bromo Palbociclib | 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: 6-Bromo-8-cyclopentyl-5-methyl-2-[(5-piperazin-1-ylpyridin-2-yl)amino]pyrido[2,3-d]pyrimidin-7-one; Pyrido-[2,3-d]-pyrimidin-7-one 41. CAS No. 851067-56-6. Molecular formula: C22H26BrN7O. Mole weight: 484.402. | |
| 6-Desacetyl-6-Bromo Palbociclib Hydrochloride | 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: 6-bromo-8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one hydrochloride. CAS No. 850918-83-1. Molecular formula: C22H27ClBrN7O. Mole weight: 520.86. | |
| 6-Desacetyl Palbociclib | 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: Pyrido[2,3-d]pyriMidin-7(8H)-one, 8-cyclopentyl-5-Methyl-2-[[5-(1-piperazinyl)-2-pyridinyl]aMino]-; Pyrido-[2,3-d]-pyrimidin-7-one 38. CAS No. 571190-22-2. Molecular formula: C22H27N7O. Mole weight: 405.506. | |
| 6-Desacetyl Palbociclib Hydrochloride | 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: 8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one hydrochloride. CAS No. 571189-66-7. Molecular formula: C22H28ClN7O. Mole weight: 441.96. | |
| 6-Ethynyl-4,4-Dimethyl Thiochroman | One of the impurities of Tazarotene, which is an active metobolite of Tazarotene and could be used in the treatment of photodamaged skin. Synonyms: 6-ethynyl-4,4-dimethyl-thiochroman. Grades: > 95%. CAS No. 118292-06-1. Molecular formula: C13H14S. Mole weight: 202.32. | |
| 6-Formamidopenicillanic Acid | 6-Formamidopenicillanic Acid is a penicillin related compound. Synonyms: [2S-(2α,5α,6β)]-6-(formylamino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid; Hypericum; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(formylamino)-3,3-dimethyl-7-oxo-, (2S,5R,6R)-; 6-Formamido-2,2-dimethylpenam-3α-carboxylic acid. Grades: 98%. CAS No. 64527-04-4. Molecular formula: C9H12N2O4S. Mole weight: 244.27. | |
| 6-Formylpterin | 6-Formylpterin is a pteridine derivative that acts as a xanthine oxidase inhibitor. Synonyms: Pterin-6-aldehyde; 2-Amino-4-hydroxy-6-formylpteridine. Grades: 95%. CAS No. 712-30-1. Molecular formula: C7H5N5O2. Mole weight: 191.15. | |
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