BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
| Product | Description | |
|---|---|---|
| 4,4-Dimethyldihydrofuran-2,3-dione | An impurity of Dexpanthenol which acts as a precursor of coenzyme A necessary for acetylation reactions. Uses: 4,4-dimethyldihydrofuran-2,3-dione (cas# 13031-04-4) is a useful research chemical. Synonyms: 4,4-dimethyloxolane-2,3-dione; 4,4-dimethyloxolane-2,3-dione. Grades: > 95 %. CAS No. 13031-04-4. Molecular formula: C6H8O3. Mole weight: 128.13. |  |
| 4,4-Dimethyl Retinoic Acid | . Uses: A retinoid receptor structure qsar. Synonyms: 4,4-Dimethylretinoic acid; Retinoic acid, 4,4-dimethyl-; SRI 5397-41X; (2E,4E,6E,8E)-3,7-dimethyl-9-(2,3,3,6,6-pentamethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid. Grades: 98%. CAS No. 104182-09-4. Molecular formula: C22H32O2. Mole weight: 328.49. | |
| 4-(4-fluoro-3-(4-(2-fluoro-4-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoyl)piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one | 4-(4-fluoro-3-(4-(2-fluoro-4-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoyl)piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one is an impurity of olaparib, which selectively binds and inhibits PARP, inhibiting PARP-mediated repair of single-strand DNA breaks. Synonyms: 4,4'-{1,4-Piperazinediylbis[carbonyl(4-fluoro-3,1-phenylene)methylene]}di(1(2H)-phthalazinone). CAS No. 2250242-62-5. Molecular formula: C36H28F2N6O4. Mole weight: 646.64. | |
| 4-(4-fluoro-3-(piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one | Cas No. 763111-47-3. | |
| 4-(4-Fluorophenyl)-2-cyclopropylquinoline-3-carboxylic Acid Methyl Ester | 4-(4-Fluorophenyl)-2-cyclopropylquinoline-3-carboxylic Acid Methyl Ester is an intermediate of Pitavastatin, which is a potent HMG-CoA reductase inhibitor for hypercholesterolemia (elevated cholesterol) and prevention of cardiovascular disease. Synonyms: 2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinecarboxylic Acid Methyl Ester; Methyl 2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinecarboxylate; Methyl 4-(4'-fluorophenyl)-2-(cyclopropyl)-3-quinolinecarboxylate; 3-Quinolinecarboxylic acid, 2-cyclopropyl-4-(4-fluorophenyl)-, methyl este; Pitavastatin Impurity 32. Grades: ≥95%. CAS No. 121659-86-7. Molecular formula: C20H16FNO2. Mole weight: 321.34. | |
| 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid | Thyroid hormone analogue. A potent Thyroxine impurity. Synonyms: 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic Acid; TFA 4; 3,3',5,5'-Tetraiodothyroformic Acid. Grades: > 95%. CAS No. 2055-97-2. Molecular formula: C13H6I4O4. Mole weight: 733.81. | |
| 4,4'-(sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) | An impurity of Parecoxib which is a COX2 selective inhibitor and a water-soluble and injectable prodrug of valdecoxib. Synonyms: Parecoxib Impurity 29. CAS No. 2338845-31-9. Molecular formula: C32H24N2O4S. Mole weight: 532.61. | |
| 4,5α-Dihydronorethisterone | 4,5α-Dihydronorethisterone is a derivative of Norethandrolone, which is an androgen and anabolic steroid (AAS) medication used to promote muscle growth and to treat severe burns, physical trauma, and aplastic anemia. Synonyms: 17α-Ethynyl-17β-hydroxy-5α-estran-3-one; 17α-Ethynyl-5α-estran-17β-ol-3-one; 17β-Hydroxy-17α-ethynyl-5α-estran-3-one; 17β-Hydroxy-19-nor-5α,17α-pregn-20-yn-3-one; 5α-Dihydronorethindrone; 5α-Dihydronorethisterone; NSC 85401; STS 737. Grades: 98%. CAS No. 52-79-9. Molecular formula: C20H28O2. Mole weight: 300.43. | |
| 4,5-dibromo-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-one | 4,5-dibromo-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-one is an impurity of Ramelteon. Ramelteon is a potent and selective agonist at melatonin MT1/MT2 receptor. Ramelteon is a sleep medication used to treat sleeplessness (insomnia). Synonyms: 4,5-Dibromo-6,7-dihydro-1H-indeno[5,4-b]furan-8(2H)-one; Ramelteon Impurity I. CAS No. 196597-77-0. Molecular formula: C11H8Br2O2. Mole weight: 331.99. | |
| 4,5-Dihydro-2-methyl-4-thiazolecarboxylic Acid | 4,5-Dihydro-2-methyl-4-thiazolecarboxylic Acid, can be used as a chain-initiating methylthiazole ring in the synthesis of Epothilone derivatives. It can also be used for the synthesis of DL-cysteines. Synonyms: 2-Methyl-2-thiazoline-4-carboxylic Acid. Grades: > 95%. CAS No. 84184-18-9. Molecular formula: C5H7NO2S. Mole weight: 145.18. | |
| 4-(5-methyl-2-phenyloxazol-4-yl)benzenesulfonamide | An impurity of Parecoxib which is a COX2 selective inhibitor and a water-soluble and injectable prodrug of valdecoxib. Synonyms: Parecoxib Impurity 47. Grades: >95%. CAS No. 2242749-01-3. Molecular formula: C16H14N2O3S. Mole weight: 314.36. | |
| 4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl Benzoate | 4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl Benzoate is a protected intermediate in the synthesis of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergies. Molecular formula: C26H23ClN2O2. Mole weight: 430.93. | |
| 4-acetyl-2-propyl-1H-imidazole-5-carbonitrile | 4-acetyl-2-propyl-1H-imidazole-5-carbonitrile is an impurity of Olmesartan Medoxomil. Olmesartan Medoxomil is an angiotensin II receptor antagonist which has been used for the treatment of high blood pressure. It is a metabolite of Olmesartan, which is a specific angiotensin II type 1 (AT1) receptor antagonist with antihypertensive effect. hAT1 receptors: IC50 = 6.18 nM. Synonyms: 1H-Imidazole-4-carbonitrile, 5-acetyl-2-propyl-. CAS No. 144690-06-2. Molecular formula: C9H11N3O. Mole weight: 177.20. | |
| (4α,?5α)?-Formestane | (4α,?5α)?-Formestane is an isomer of Formestane. Formestane is a type I, steroidal, selective aromatase inhibitor that is used in the treatment of estrogen receptor-positive breast cancer in postmenopausal women. Formestane is an analogue of androstenedione. It is also used to inhibit the estrogen production. Synonyms: 4-Hydroxyandrostane-3,17-dione; 4-hydroxy-10,13-dimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-dione. CAS No. 848-35-1. Molecular formula: C19H28O3. Mole weight: 304.43. | |
| 4-amino-1-(2-(2,4-difluorophenyl)-2-oxoethyl)-1H-1,2,4-triazol-4-ium chloride | One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 5; Voriconazole Impurity 30; 1H-1,2,4-Triazolium, 4-amino-1-[2-(2,4-difluorophenyl)-2-oxoethyl]-, chloride (9CI). CAS No. 154534-83-5. Molecular formula: C10H9ClF2N4O. Mole weight: 274.65. | |
| 4-Amino-1-[2-deoxy-5-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one | 4-Amino-1-[2-deoxy-5-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one is an impurity of Decitabine, which is a potent inhibitor of DNA methylation. Synonyms: 5-Mono totuoyl Impurity. CAS No. 183016-22-0. Molecular formula: C16H18N4O5. Mole weight: 346.34. | |
| 4-amino-1-((2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one | 4-amino-1-((2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one is an impurity of 5-Azacytidine, an antiproliferative/cytotoxic agent for leukemia therapy. Synonyms: L-5-Azacytidine. CAS No. 206269-46-7. Molecular formula: C8H12N4O5. Mole weight: 244.20. | |
| 4-Amino-1-[5-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one | 4-Amino-1-[5-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one is an impurity of Decitabine, which is a potent inhibitor of DNA methylation. Synonyms: 1,3,5-Triazin-2(1H)-one, 4-amino-1-[5-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-; Decitabine Impurity 41; 5'-(4-Chlorobenzoate) Decitabine. Grades: ≥95%. CAS No. 1442660-65-2. Molecular formula: C15H15ClN4O5. Mole weight: 366.76. | |
| 4-Amino-3-chloropyridine | A derivative of Fampridine. Fampridine is a potent convulsant. Uses: 4-amino-3-chloropyridine is a chlorinated heteroarylamine. 4-amino-3-chloropyridine is used in the preparation of inhibitor of phosphodiesterase type 4 (pde4) as antiasthmatic agents as well as other pyridine based pharmaceutical agents. Synonyms: 3-chloro-4-pyridinamine; 3-chloropyridin-4-amine. Grades: > 95 %. CAS No. 19798-77-7. Molecular formula: C5H5ClN2. Mole weight: 128.56. | |
| 4-Amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-isobutylbenzenesulfonamide | 4-Amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide is a metabolite of Darunavir. Synonyms: 4-amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)benzenesulfonamide; 4-amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)benzenesulfonamide. Grades: > 95 %. CAS No. 169280-56-2. Molecular formula: C20H29N3O3S. Mole weight: 391.53. | |
| 4-Aminopyridin-3-ol hydrochloride | A derivative of Fampridine. Fampridine is a potent convulsant. Uses: 4-amino-3-hydroxypyridine is a hydroxylated impurity as well as a metabolite of the potassium channel blocker fampridine (d113500). Synonyms: 4-aminopyridin-3-ol. Grades: > 95 %. CAS No. 52334-53-9. Molecular formula: C5H7ClN2O. Mole weight: 146.57. | |
| ((4aS, 4bS, 10aR, 10bS, 11S, 12aS)-1, 11-Dihydroxy-10a, 12a-dimethyl-2, 8-dioxo-1, 2, 3, 4, 4a, 4b, 5, 6, 8, 10a, 10b, 11, 12, 12a-tetradecahydrochrysen-1-yl)methyl Acetate | ((4aS, 4bS, 10aR, 10bS, 11S, 12aS)-1, 11-Dihydroxy-10a, 12a-dimethyl-2, 8-dioxo-1, 2, 3, 4, 4a, 4b, 5, 6, 8, 10a, 10b, 11, 12, 12a-tetradecahydrochrysen-1-yl)methyl Acetate is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C23H30O6. Mole weight: 402.48. | |
| (4aS,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-1-(hydroxymethyl)-10a,12a-dimethyl-4,4a,4b,5,6,10a,10b,11,12,12a-decahydrochrysene-2,8(1H,3H)-dione | (4aS,4bS,10aR,10bS,11S,12aS)-1,11-Dihydroxy-1-(hydroxymethyl)-10a,12a-dimethyl-4,4a,4b,5,6,10a,10b,11,12,12a-decahydrochrysene-2,8(1H,3H)-dione is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C21H28O5. Mole weight: 360.44. | |
| ((4aS, 4bS, 10aR, 10bS, 11S, 12aS)-2, 11-Dihydroxy-10a, 12a-dimethyl-1, 8-dioxo-1, 2, 3, 4, 4a, 4b, 5, 6, 8, 10a, 10b, 11, 12, 12a-tetradecahydrochrysen-2-yl)methyl Acetate | ((4aS, 4bS, 10aR, 10bS, 11S, 12aS)-2, 11-Dihydroxy-10a, 12a-dimethyl-1, 8-dioxo-1, 2, 3, 4, 4a, 4b, 5, 6, 8, 10a, 10b, 11, 12, 12a-tetradecahydrochrysen-2-yl)methyl Acetate is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C23H30O6. Mole weight: 402.48. | |
| (4aS,4bS,10aR,10bS,11S,12aS)-2',11-Dihydroxy-10a,12a-dimethyl-4,4a,4b,5,6,10a,10b,11,12,12a-decahydro-2H-spiro[chrysene-1,4'-[1,3,2]dioxaphospholane]-2,8(3H)-dione 2'-Oxide | (4aS,4bS,10aR,10bS,11S,12aS)-2',11-Dihydroxy-10a,12a-dimethyl-4,4a,4b,5,6,10a,10b,11,12,12a-decahydro-2H-spiro[chrysene-1,4'-[1,3,2]dioxaphospholane]-2,8(3H)-dione 2'-Oxide is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Grades: 90%. Molecular formula: C21H27O7P. Mole weight: 422.41. | |
| 4'-(azidomethyl)-[1,1'-biphenyl]-2-carbonitrile | An impurity of Irbesartan, an angiotensin II receptor blocker used to treat hypertension and heart failure. Synonyms: Irbesartan Impurity 14; 4-Azidomethyl-2'-cyanobiphenyl. CAS No. 133690-91-2. Molecular formula: C14H10N4. Mole weight: 234.26. | |
| 4-Benzyl-2,3-morpholinedione | 4-Benzyl-2,3-morpholinedione is an intermediate of Aprepitant, a novel selective neurokinin-1 (NK-1) receptor antagonist. Synonyms: 4-(Phenylmethyl)-2,3-morpholinedione; 2,3-Morpholinedione, 4-(phenylmethyl)-. Grades: ≥95%. CAS No. 110843-90-8. Molecular formula: C11H11NO3. Mole weight: 205.21. | |
| 4-bromo-1-chloro-2-(4-ethoxybenzyl)benzene | 4-bromo-1-chloro-2-(4-ethoxybenzyl)benzene is an impurity of Dapagliflozin. Dapagliflozin is a selective, orally active inhibitor of the renal sodium-glucose co-transporter type 2 (SGLT2) in development for the treatment of type 2 diabetes mellitus (T2DM). Synonyms: 5-Bromo-2-chloro-4'-ethoxydiphenylmethane. CAS No. 461432-23-5. Molecular formula: C15H14BrClO. Mole weight: 325.63. | |
| 4-Bromo-1-methyl-1H-?pyrrole-2-carboxaldehyde | Cas No. 33694-79-0. | |
| 4'-Bromo Ampicillin | 4'-Bromo Ampicillin is a derivative of Ampicillin, which is a broad-spectrum antibiotic used to prevent and treat a variety of bacterial infections. Synonyms: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2R)-2-amino-2-(4-bromophenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-. Grades: ≥90%. CAS No. 1356019-52-7. Molecular formula: C16H18BrN3O4S. Mole weight: 428.30. | |
| 4-(Bromomethyl)benzoic acid | An impurity of Eprosartan. Eprosartan is an angiotensin II receptor antagonist used for the treatment of high blood pressure. Uses: 4-(bromomethyl)benzoic acid (eprosartan usp related compound d) is an intermediate in the synthesis of eprosartan (e590100), a prototype of the imidazoleacrylic acid angiotensin ii receptor antagonists used as an antihypertensive agent. Synonyms: 4-(bromomethyl)benzoic acid. Grades: > 95 %. CAS No. 6232-88-8. Molecular formula: C8H7BrO2. Mole weight: 215.04. | |
| 4-Butyrylamino-3-methyl-5-nitrobenzoic Acid Methyl Ester | 4-Butyrylamino-3-methyl-5-nitrobenzoic Acid Methyl Ester is one of telmisartan intermediates. Telmisartan, also called Pritor, a benzimidazole derivative, is an angiotensin II receptor antagonist that can be used to treat hypertension. Synonyms: Methyl 3-Methyl-5-nitro-4-(2-oxopentyl)benzoate; 3-Methyl-5-nitro-4-[(1-oxobutyl)amino]-benzoic Acid Methyl Ester; Benzoic acid,3-methyl-5-nitro-4-[(1-oxobutyl)amino]-, methyl ester; 3-Methyl-4-butyrylamido-5-nitro benzoic acid methyl ester. Grades: 98%. CAS No. 152628-01-8. Molecular formula: C13H16N2O5. Mole weight: 280.28. | |
| 4-chloro-3-(4-ethoxybenzyl)phenol | 4-chloro-3-(4-ethoxybenzyl)phenol is an impurity of Dapagliflozin. Dapagliflozin is a selective, orally active inhibitor of the renal sodium-glucose co-transporter type 2 (SGLT2) in development for the treatment of type 2 diabetes mellitus (T2DM). Synonyms: 4-chloro-3-[(4-ethoxyphenyl)methyl]-Phenol. CAS No. 1408077-50-8. Molecular formula: C15H15ClO2. Mole weight: 262.73. | |
| 4-Chloro-3-fluoro Afatinib | An impurity of Afatinib, a medication used to treat non-small cell lung carcinoma (NSCLC). Grades: ≥95%. CAS No. 2406199-31-1. Molecular formula: C24H25ClFN5O3. Mole weight: 485.94. | |
| 4-chloro-5-fluoro-6-vinylpyrimidine | One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Pyrimidine, 4-chloro-6-ethenyl-5-fluoro-. CAS No. 1403893-61-7. Molecular formula: C6H4ClFN2. Mole weight: 158.56. | |
| 4-Chloro-6,7-bis(2-methoxyethoxy)quinazoline | A metabolite of Erlotinib. Erlotinib is a tyrosine kinase inhibitor which acts on the epidermal growth factor receptor (EGFR), inhibiting EGFR-associated kinase activity. Synonyms: 4-chloro-6,7-bis(2-methoxyethoxy)quinazoline; 4-chloro-6,7-bis(2-methoxyethoxy)quinazoline. Grades: > 95 %. CAS No. 183322-18-1. Molecular formula: C14H17ClN2O4. Mole weight: 312.75. | |
| 4-Chlorobenzenesulphonamide | Anticonvulsant against audiogenic convulsion. Synonyms: 4-Chlorophenylsulfonamide; p-Chlorobenzenesulfonamide; p-Chlorophenylsulfonamide; ADD 55051; NSC 403674; NSC 9913. Grades: > 95%. CAS No. 98-64-6. Molecular formula: C6H6ClNO2S. Mole weight: 191.64. | |
| 4-Chloro Bupropion Fumarate | 4-Chloro Bupropion Fumarate is a derivative of Bupropion, which is a selective dopamine uptake inhibitor used in the treatment of depression and smoking cessation. Synonyms: 1-(3,4-Dichlorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone (2E)-2-Butenedioate; 1-(3,4-Dichlorophenyl)-2-[(2-methyl-2-propanyl)amino]-1-propanone (2E)-2-butenedioate (1:1); 1-Propanone, 1-(3,4-dichlorophenyl)-2-[(1,1-dimethylethyl)amino]-, (2E)-2-butenedioate (1:1). Grades: 95%. CAS No. 1193779-36-0. Molecular formula: C17H21Cl2NO5. Mole weight: 390.26. | |
| 4-Chlorobutanoyl Chloride | 4-Chlorobutanoyl Chloride is used to prepare mitosene and mitosane analogues of Mitomycin C, an antitumor antibiotic. Synonyms: 4-Chloro-Butanoyl Chloride; 4-Chlorobutanoic Acid Chloride; 4-Chlorobutanoyl Chloride; 4-Chlorobutyric Acid Chloride; 4-Chlorobutyroyl Chloride; 4-Chlorobutyryl Chloride; γ-Chlorobutyroyl Chloride; γ-Chlorobutyryl Chloride; ω-Chlorobutanoyl Chloride; ω-Chlorobutyryl Chloride. Grades: ≥95%. CAS No. 4635-59-0. Molecular formula: C4H6Cl2O. Mole weight: 141.00. | |
| 4-Chloro Desloratadine | 4-Chloro Desloratadine is a related compound of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergies. Synonyms: 4,8-Dichloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; Desloratadine 4,8-Dichloro Impurity; 5H-Benzo[5,6]cyclohepta[1,2-b]pyridine, 4,8-dichloro-6,11-dihydro-11-(4-piperidinylidene)-. Grades: 98%. CAS No. 133330-63-9. Molecular formula: C19H18Cl2N2. Mole weight: 345.27. | |
| 4-(Chloromethyl)-1,?3-dimethyl-1H-pyrazole-5-carboxylic Acid Methyl Ester | Cas No. 1001415-64-0. | |
| 4-Chloro-N-ethyl-2-pyrimidinamine | 4-Chloro-N-ethyl-2-pyrimidinaminee is used as a reactant in the preparation of sorafenib analogs. Synonyms: 4-Chloro-2-(ethylamino)pyrimidine; N-(4-Chloropyrimidin-2-yl)-N-ethylamine; N-(4-Chloropyrimidin-2-yl)ethylamine; 2-(4-Chloropyrimidin-2-yl)ethanamine. Grades: ≥95%. CAS No. 86575-65-7. Molecular formula: C6H8ClN3. Mole weight: 157.60. | |
| 4-Deacetyl-4-propionyl Cabazitaxel | 4-Deacetyl-4-propionyl Cabazitaxel is an impurity of Cabazitaxel, which is a microtubule inhibitor for the treatment of hormone-refractory prostate cancer. Synonyms: (2α, 5β, 7β, 10β, 13α)-1-Hydroxy-13-{[(2R, 3S)-2-hydroxy-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-3-phenylpropanoyl]oxy}-7, 10-dimethoxy-9-oxo-4-(propionyloxy)-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)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-12b-(1-oxopropoxy)-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-. Molecular formula: C46H59NO14. Mole weight: 849.96. | |
| 4-Defluoro Raltegravir | An impurity of Raltegravir. Raltegravir is an integrase inhibitor as an antiretroviral drug. It can be used for the treatment of HIV infection. Synonyms: 1,6-Dihydro-5-hydroxy-1-methyl-2-[1-methyl-1-[[(5-methyl-1,3,4-oxadiazol-2-yl)carbonyl]amino]ethyl]-6-oxo-N-(phenylmethyl)-4-pyrimidinecarboxamide. Grades: > 95%. CAS No. 1193687-87-4. Molecular formula: C20H22N6O5. Mole weight: 426.44. | |
| 4EGI-1 | 4EGI-1 is a competitive eIF4E/eIF4G interaction inhibitor by binding to eIF4E with KD of 25 μM. Synonyms: 4EGI-1; 4EGI1; 4EGI1; 4 EGI1; 4-EGI1; 4 EGI 1; 4-EGI-1. Grades: >98%. CAS No. 315706-13-9. Molecular formula: C18H12Cl2N4O4S. Mole weight: 451.28. | |
| 4epi-6epi Doxycycline | Cas No. 97583-08-9. | |
| 4-epi-Doxycycline | Cas No. 6543-77-7. | |
| 4-Fluoro-DL-glutamic Acid | 4-Fluoro-DL-glutamic acid is used as a reagent to synthesize analogues of Methotrexate, which is a folic acid antagonist used as an antineoplastic and antirheumatic. Synonyms: 4-Fluoroglutamic Acid; 4-Fluoroglutamic Acid; DL-4-Fluoroglutamic Acid; 2-Amino-4-fluoropentane-1,5-dioic acid; 4-Fluoro-Glutamic Acid; threo-4-fluoroglutamic acid; D,L-erythro,threo-4-fluoroglutamic acid. Grades: ≥95%. CAS No. 2708-77-2. Molecular formula: C5H8FNO4. Mole weight: 165.12. | |
| 4-Formyl Loratadine | 4-Formyl Loratadine is a by-product of Loratadine, which is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Uses: A by-product of 4-hydroxymethyl loratadine. Synonyms: 4-(8-Chloro-4-formyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester; Ethyl 4-(8-chloro-4-formyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate. Grades: ≥95%. CAS No. 1076198-16-7. Molecular formula: C23H23ClN2O3. Mole weight: 410.89. | |
| 4-Hydrazinobenzoic Acid | 4-Hydrazinobenzoic Acid can be used for the synthesis of Deferasirox, which is an orally active tridentate iron chelator used to treat chronic iron overload in patients receiving long term blood transfusions. Synonyms: (4-Carboxyphenyl)hydrazine; (p-Carboxyphenyl)hydrazine; NSC 3813; p-Hydrazinobenzoic Acid; 4-Hydrazinylbenzoic Acid. Grades: 95%. CAS No. 619-67-0. Molecular formula: C7H8N2O2. Mole weight: 152.15. | |
| [4-Hydroxy-1-methyl-4-(2-thienyl)-3-piperidinyl]-2-thienylmethanone Hydrochloride | [4-Hydroxy-1-methyl-4-(2-thienyl)-3-piperidinyl]-2-thienylmethanone Hydrochloride is an impurity of Duloxetine, which is a serotonin-norepinephrine reuptake inhibitor used to treat major depressive disorder, generalized anxiety disorder, fibromyalgia, neuropathic pain and central sensitization. Synonyms: Methanone, [4-hydroxy-1-methyl-4-(2-thienyl)-3-piperidinyl]-2-thienyl-, monohydrochloride; Methanone, [4-hydroxy-1-methyl-4-(2-thienyl)-3-piperidinyl]-2-thienyl-, hydrochloride (1:1). CAS No. 494221-40-8. Molecular formula: C15H18ClNO2S2. Mole weight: 343.89. | |
| 4-Hydroxy-3-methoxyphenylglycol Hemipiperazinium Salt | 4-Hydroxy-3-methoxyphenylglycol Hemipiperazinium Salt is a metabolite of cerebral Norepinephrine, which is widely used as an injectable drug for the treatment of critically low blood pressure. Uses: 4-hydroxy-3-methoxyphenylglycol hemipiperazinium salt is a cerebral norepinephrine metabolite. Synonyms: 1-(4-Hydroxy-3-methoxyphenyl)-1,2-ethanediol Piperazine Salt. Grades: 95%. CAS No. 67423-45-4. Molecular formula: C22H34N2O8. Mole weight: 454.51. | |
| 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid | 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid is an impurity of Eltrombopag, a drug used in the treatment of thrombocytopenia (abnormally low platelet count) for severe aplastic anemia. Synonyms: 4'-Hydroxy-3'-nitro-3-biphenylcarboxylic acid. CAS No. 1097777-60-0. Molecular formula: C13H9NO5. Mole weight: 259.21. | |
| 4-Hydroxy-3-oxobutyl Mercapturic Acid | 4-Hydroxy-3-oxobutyl Mercapturic Acid is a precursor of DHB, which is a urinary metabolite of 1,3-butadiene. Synonyms: L-Cysteine, N-acetyl-S-(4-hydroxy-3-oxobutyl)-; 4-(N-Acetyl-L-cystein-S-yl)-1-hydroxy-2-butanone; HOBMA; HB. CAS No. 716305-13-4. Molecular formula: C9H15NO5S. Mole weight: 249.28. | |
| 4-Hydroxy-3-Phenylcoumarin | Synonyms: 4-hydroxy-3-phenyl-2h-1-benzopyran-2-on. Grades: > 95%. CAS No. 1786-05-6. Molecular formula: C15H10O3. Mole weight: 238.24. | |
| 4-Hydroxy Clonidine Hydrochloride | 4-Hydroxy Clonidine is a metabolite of Clonidine, an α2-Adrenergic agonist. Synonyms: 3,5-Dichloro-4-[(4,5-dihydro-1H-imidazol-2-yl)amino]phenol Hydrochloride; p-Hydroxyclonidine Hydrochloride; ST 666 Hydrochloride. Grades: > 95%. CAS No. 86861-28-1. Molecular formula: C9H10Cl3N3O. Mole weight: 282.55. | |
| 4-Hydroxy Dasatinib | Cas No. 910297-57-3. | |
| 4-Hydroxy estradiol 1-N3-Adenine | 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: (17β)-1-(6-Amino-3H-purin-3-yl)estra-1,3,5(10)-triene-3,4,17-triol; 4-OH-E2-1-N3Ade. Grades: > 95%. CAS No. 428506-88-1. Molecular formula: C23H27N5O3. Mole weight: 421.50. | |
| 4-Hydroxy estradiol 1-N7-guanine | 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: 2-Amino-1,7-dihydro-7-[(17β)-3,4,17-trihydroxyestra-1,3,5(10)-trien-1-yl]-6H-purin-6-one. Grades: > 95%. CAS No. 178971-91-0. Molecular formula: C23H27N5O4. Mole weight: 437.50. | |
| 4-Hydroxy estrone 1-N3-Adenine | A derivative of Estrone. Estrone is one of the three naturally occurring estrogens, the others being estradiol and estriol. Synonyms: 1-(6-Amino-3H-purin-3-yl)-3,4-dihydroxyestra-1,3,5(10)-trien-17-one. Grades: > 95%. CAS No. 488841-24-3. Molecular formula: C23H25N5O3. Mole weight: 419.49. | |
| 4-Hydroxy estrone 1-N7-guanine | A derivative of Estrone. Estrone is one of the three naturally occurring estrogens, the others being estradiol and estriol. Synonyms: 1-[2-Amino-6(1H)-oxo-7H-purine-7-yl]-3,4-dihydroxy-17-oxoestra-1,3,5(10)-triene. Grades: > 95%. CAS No. 178971-92-1. Molecular formula: C23H25N5O4. Mole weight: 435.49. | |
| 4-Hydroxy Fenspiride | A metabolite of Fenspiride. Fenspiride is an α adrenergic and H3 histamine receptor antagonist. Synonyms: 8-[2-(4-Hydroxyphenyl)ethyl]-1-oxa-3,8-diazaspiro[4.5]decan-2-one. Grades: > 95%. CAS No. 441781-25-5. Molecular formula: C15H20N2O3. Mole weight: 276.34. | |
| 4'-Hydroxy flurbiprofen | 4'-Hydroxy flurbiprofen is a metabolite of Flurbiprofen. Synonyms: 4'-hydroxyflurbiprofen; (1,1'-Biphenyl)-4-acetic acid, 2-fluoro-4'-hydroxy-alpha-methyl-; 2-(4'-Hydroxy-2-fluoro-4-biphenylyl)propionic Acid; 2-Fluoro-4'-hydroxy-α-Methyl-[1,1'-biphenyl]-4-acetic Acid; FPH. Grades: > 95%. CAS No. 52807-12-2. Molecular formula: C15H13FO3. Mole weight: 260.27. | |
| 4-Hydroxynonenal | Synonyms: 4-Hydroxy-2-nonenal; 4-HNE; 4-hydroxynon-2-enal; (2E)-4-Hydroxy-2-nonenal. CAS No. 75899-68-2. Molecular formula: C9H16O2. Mole weight: 156.22. | |
| 4'-Hydroxynordiazepam | 4'-Hydroxynordiazepam is one of Diazepam metabolites. Diazepam is a benzodiazepine used as an anti-anxiety and muscle relaxant, as well as to treat epilepsy. Synonyms: 7-Chloro-1,3-dihydro-5-(4-hydroxyphenyl)-2H-1,4-benzodiazepin-2-one; 7-Chloro-1,3-dihydro-5-(p-hydroxyphenyl)-2H-1,4-benzodiazepin-2-one; p-Hydroxy-N-desmethyldiazepam; 4'-Hydroxydemethyldiazepam; 7-chloro-5-(4-oxocyclohexa-2,5-dien-1-ylidene)-3,4-dihydro-1H-1,4-benzodiazepin-2-one; 4'-hydroxy-N-desmethyldiazepam. Grades: ≥95%. CAS No. 17270-12-1. Molecular formula: C15H11ClN2O2. Mole weight: 286.71. | |
| 4-Imino-4-methoxybutanoic Acid Methyl Ester Hydrochloride | 4-Imino-4-methoxybutanoic Acid Methyl Ester Hydrochloride 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: Methyl 3-(methoxycarbonyl)propioimidate hydrochloride; Methyl beta-carbomethoxypropionimidate hydrochloride; Butanoic acid, 4-imino-4-methoxy-, methyl ester, hydrochloride (1:1). Grades: ≥95%. CAS No. 52070-12-9. Molecular formula: C6H12ClNO3. Mole weight: 181.62. | |
| 4-Keto all-trans-Retinoic Acid Methyl Ester | 4-Keto all-trans-Retinoic Acid Methyl Ester is a derivative of Retinoic acid. Retinoic Acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: 4-Oxoretinoic Acid Methyl Ester; Methyl 4-Ketoretinoate; Methyl 4-Oxoretinoate. Grades: ≥95%. CAS No. 38030-58-9. Molecular formula: C21H28O3. Mole weight: 328.44. | |
| 4-Keto Retinal | . Uses: An inactive catabolite of retinoic acid. Synonyms: (2E,4E,6E,8E)-9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-al; 4-Oxo-all-trans-retinal; 4-Oxoretinal; all-trans-4-Oxoretinal. Grades: 96%. CAS No. 33532-44-4. Molecular formula: C20H26O2. Mole weight: 298.42. | |
| 4-methoxy-3-(3-morpholinopropoxy)-2-nitrobenzonitrile | 4-methoxy-3-(3-morpholinopropoxy)-2-nitrobenzonitrile is an impurity of Gefitinib. Gefitinib is an antineoplastic drug. Gefitinib effectively inhibits all tyrosine phosphorylation sites on EGFR in both the high and low EGFR-expressing cell lines including NR6, NR6M and NR6W cell lines. The phosphorylation sites Tyr1173 and Tyr992 are less sensitive requiring higher concentrations of Gefitinib for inhibition. Synonyms: Gefitinib Impurity 17. Grades: 98%. CAS No. 1006378-06-8. Molecular formula: C15H19N3O5. Mole weight: 321.33. | |
| 4-methoxy-5-(3-morpholinopropoxy)-2-nitrobenzamide | 4-methoxy-5-(3-morpholinopropoxy)-2-nitrobenzamide is an impurity of Gefitinib. Gefitinib is an antineoplastic drug. Gefitinib effectively inhibits all tyrosine phosphorylation sites on EGFR in both the high and low EGFR-expressing cell lines including NR6, NR6M and NR6W cell lines. The phosphorylation sites Tyr1173 and Tyr992 are less sensitive requiring higher concentrations of Gefitinib for inhibition. Synonyms: Gefitinib Impurity 22. CAS No. 861453-16-9. Molecular formula: C15H21N3O6. Mole weight: 339.34. | |
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