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 | |
|---|---|---|
| 3-Methylxanthine | An impurity of Dyphylline which belongs to a class of drugs known as xanthines and is used for reelieving breathing problems caused by bronchial asthma, chronic bronchitis, or emphysema. Synonyms: 3-methyl-7H-purine-2,6-dione. Grades: > 95 %. CAS No. 1076-22-8. Molecular formula: C6H6N4O2. Mole weight: 166.14. |  |
| 3''-[N-(HABA-CBz)] 3,5,6'-Tri(N-Benzyloxycarbonyl) Kanamycin A | 3''-[N-(HABA-CBz)] 3,5,6'-Tri(N-Benzyloxycarbonyl) Kanamycin A is an impurity of Amikacin. Amikacin is an antibacterial compound used in the treatment of diseases and illnesses arising from gram-negative bacterium. Synonyms: 3,5,6'-Tri(N-Benzyloxycarbonyl) Kanamycin A. Molecular formula: C54H67N5O21. Mole weight: 1122.13. | |
| 3-Nitrophthalic acid | An impurity of Pomalidomide which is a derivative of thalidomide with antineoplastic effect. Synonyms: 3-nitrophthalic acid. Grades: 99 %. CAS No. 603-11-2. Molecular formula: C8H5NO6. Mole weight: 211.13. | |
| 3-O-Acetyl Ezetimibe | An impurity of Ezetimibe. Ezetimibe inhibits intestinal cholesterol absorption by preventing cholesterol uptake by the Niemann-Pick C1-like 1 (NPC1L4) protein, a cholesterol transporter located in the apical membrane of enterocytes. Synonyms: (3R,4S)- 3-[(3S)-3-(acetyloxy)-3-(4-fluorophenyl)propyl]-1-(4-fluorophenyl)-4-(4-hydroxyphenyl)-2-Azetidinone. Grades: > 95%. CAS No. 190448-46-5. Molecular formula: C26H23F2NO4. Mole weight: 451.47. | |
| 3-O-Ethyl Rosuvastatin | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Grades: > 95%. Molecular formula: C24H32FN3O6S. Mole weight: 509.6. | |
| 3-O-Methyl Tolcapone | One of the impurities of Tolcapone, which is a COMT inhibitor and has been found to be active in antiparkinsonian studies. Synonyms: 4-Hydroxy-3-methoxy-4'-methyl-5-nitrobenzophenone; (4-Hydroxy-3-methoxy-5-nitrophenyl)(4-methylphenyl)methanone. CAS No. 134612-80-9. Molecular formula: C15H13NO5. Mole weight: 287.27. | |
| 3-Oxo Atorvastatin tert-Butyl Ester | 3-Oxo Atorvastatin tert-Butyl Ester is a Boc-protected oxo-derivative of Atorvastatin. Synonyms: (δR)-2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester; (R)-2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-hepta. Grades: > 95%. CAS No. 134394-98-2. Molecular formula: C37H41FN2O5. Mole weight: 612.75. | |
| 3-Oxo Rosuvastatin Sodium Salt | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: 3-Oxo Rosuvastatin SodiuM Salt;-7-[4-(4-Fluorophenyl)-6-(1-Methylethyl)-2-[Methyl(Methylsulfonyl)aMino]-5-pyriMidinyl]-5-hydroxy-3-oxo-. Grades: > 95%. CAS No. 1346606-28-7. Molecular formula: C22H25FN3O6S. Na. Mole weight: 501.51. | |
| 3-Phenoxybenzaldehyde | Cas No. 39515-51-0. | |
| 3-Phenoxybenzyl alcohol | Cas No. 13826-35-2. | |
| 3-Phenoxybenzyl chloride | Cas No. 53874-66-1. | |
| 3-Phenoxytoluene | Cas No. 3586-14-9. | |
| 3'-p-Hydroxy Paclitaxel | 3'-p-Hydroxy Paclitaxel is a metabolite of Paclitaxel, which is a mitotic inhibitor used in cancer chemotherapy. Synonyms: 3'-Para-hydroxypaclitaxel; [2aR-[2aα, 4β, 4aβ, 6β, 9α(αR*, βS*), 11α, 12α, 12aα, 12bα]]-β-(Benzoylamino)-α, 4-dihydroxy-benzenepropanoic Acid 6,12b-Bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-4-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; Benzenepropanoic acid, β-(benzoylamino)-α,4-dihydroxy-, (2aR,4S,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-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-; Benzenepropanoic acid, β-(benzoylamino)-α,4-dihydroxy-, 6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-4-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, [2aR-[2aα, 4β, 4aβ, 6β, 9α(αR*, βS*), 11α, 12α, 12aα, 12bα]]-; 3'-p-Hydroxypaclitaxel. Grades: ≥95%. CAS No. 132160-32-8. Molecular formula: C47H51NO15. Mole weight: 869.93. | |
| 3'-p-O-Benzyl-7-{[(2,2,2,-trichloroethyl)oxy]carbonyl} Paclitaxel | 3'-p-O-Benzyl-7-{[(2,2,2,-trichloroethyl)oxy]carbonyl} Paclitaxel is one of Paclitaxel metabolites. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Molecular formula: C57H58Cl3NO17. Mole weight: 1135.42. | |
| 3'-p-O-Benzyl-N-desbenzoyl-N-tert-butoxycarbonyl-N,O-isopropylidene-7-{[(2,2,2,-trichloroethyl)oxy]carbonyl} Paclitaxel | 3'-p-O-Benzyl-N-desbenzoyl-N-tert-butoxycarbonyl-N,O-isopropylidene-7-{[(2,2,2,-trichloroethyl)oxy]carbonyl} Paclitaxel is one of Paclitaxel impurities. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Molecular formula: C58H66Cl3NO18. Mole weight: 1171.50. | |
| 3'-p-O-Benzyl Paclitaxel | 3'-p-O-Benzyl Paclitaxel is one of Paclitaxel metabolites. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Molecular formula: C54H57NO15. Mole weight: 960.03. | |
| (3R,11bR)-Tetrabenazine | (3R,11bR)-Tetrabenazine is one of Tetrabenazine impurities. Tetrabenazine is a VMAT-inhibitor used for treatment of hyperkinetic movement disorder. It is a monoamine-depleting and a dopamine-receptor-blocking drug and is an effective and safe drug for the treatment of a variety of hyperkinetic movement disorders. Synonyms: (3R,11bR)-1,3,4,6,7,11b-Hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-one; (+)-TBZ; (+)-Tetrabenazine; (3R,11bR)-TBZ. Grades: > 98%. CAS No. 1026016-83-0. Molecular formula: C19H27NO3. Mole weight: 317.42. | |
| (3R)-2,3-Dihydro-3-(2-propyn-1-ylamino)-1H-inden-1-one | A building block in the preparation of Rasagiline.Rasagiline is an irreversible inhibitor of monoamine oxidase-B. It can be used as a monotherapy to treat symptoms in early Parkinson's disease or as an adjunct therapy in more advanced cases. Synonyms: 3-keto-Npropargyl-1-aminoindan. Grades: > 95%. Molecular formula: C12H11NO. Mole weight: 185.23. | |
| (3R)-3-Hydroxy Quinidine | The enantiomer of (3S)-3-Hydroxy Quinidine. (3S)-3-Hydroxy Quinidine is the major metabolite of the Cinchona alkaloid Quinidine. Synonyms: (3R)-Hydroxyquinidine; (3α,8α,9R)- 6'-methoxycinchonan-3,9-diol. Grades: > 95%. CAS No. 128241-59-8. Molecular formula: C20H24N2O3. Mole weight: 340.423. | |
| (3R)-3-Hydroxy Quinine | The major metabolite of the Cinchona alkaloid Quinidine. Quinidine is a class I antiarrhythmic agent. It is a stereoisomer of quinine, originally derived from the bark of the cinchona tree. Synonyms: (9S)-6'-Methoxy-Cinchonan-3,9-diol; (3S)-Hydroxyquinidine; 3-Hydroxyquinidine. Grades: > 95%. CAS No. 53467-23-5. Molecular formula: C20H24N2O3. Mole weight: 340.43. | |
| (3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone | (3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone is one of Paclitaxel intermediate. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Synonyms: (3R-cis)-3-Hydroxy-4-phenyl-2-azetidinone; Cephalomannine Impurity 6; cis-3-hydroxy-4-phenyl-2-azetidinone; 3alpha-Hydroxy-4alpha-phenylazetidin-2-one. Grades: 98%. CAS No. 132127-34-5. Molecular formula: C9H9NO2. Mole weight: 163.17. | |
| (3R,4'S)-Benidipine HCl | Synonyms: 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, methyl 1-(phenylmethyl)-3-piperidinyl ester, [R-(R*,S*)]-. Grades: > 95%. CAS No. 119065-61-1. Molecular formula: C28H32N3O6Cl. Mole weight: 542.04. | |
| (3R,5R)-Rosuvastatin Methyl Ester | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid Methyl Ester. Grades: > 95%. CAS No. 1776088-23-3. Molecular formula: C23H30FN3O6S. Mole weight: 495.57. | |
| (3R,5R)-Rosuvastatin Sodium Salt | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid Sodium. Grades: > 95%. Molecular formula: C22H27FN3O6S. Na. Mole weight: 503.53. | |
| (3R,5R)-tert-Butyl Rosuvastatin (Rosuvastatin Impurity) | Cas No. 355806-00-7. | |
| (3R,5S)-5-(6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridin-8-yl)-3,5-dihydroxypentanoic Acid Sodium Salt | (3R,5S)-5-(6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridin-8-yl)-3,5-dihydroxypentanoic Acid Sodium Salt is one of pitavastatin impurities. Pitavastatin, also called as itavastatin, is a potent HMG-CoA reductase inhibitor. And studies showed that pitavastatin inhibited the activity of Rho-kinase depending on the inactivation of Rho by inhibiting the mevalonate pathway. Synonyms: (βR,δS)-6-Cyclopropyl-10-fluoro-7,8-dihydro-β,δ-dihydroxybenzo[k]phenanthridine-8-pentanoic Acid Sodium Salt. Molecular formula: C25H23FNNaO4. Mole weight: 443.44. | |
| (3R,5S,6E)-7-(2-Cyclopropyl-4-phenyl-3-quinolinyl)-3,5-dihydroxy-6-heptenoic Acid Sodium Salt | (3R,5S,6E)-7-(2-Cyclopropyl-4-phenyl-3-quinolinyl)-3,5-dihydroxy-6-heptenoic Acid Sodium Salt is one of pitavastatin impurities. Pitavastatin, also called as itavastatin, is a potent HMG-CoA reductase inhibitor. And studies showed that pitavastatin inhibited the activity of Rho-kinase depending on the inactivation of Rho by inhibiting the mevalonate pathway. Synonyms: Defluoro Pitavastatin. Molecular formula: C25H24NNaO4. Mole weight: 425.45. | |
| (3R)-Hydroxperoxy Simvastatin | An impurity of Simvastatin. Simvastatin is a lipid-lowering drug that inhibits HMG-CoA reductase. It is in the statin class of medications and works by decreasing the manufacture of cholesterol by the liver. Synonyms: Butanoic acid, 2,?2-dimethyl-, (1S,?3R,?7S,?8S,?8aR)?-1,?2,?3,?7,?8,?8a-hexahydro-3-hydroperoxy-3,?7-dimethyl-8-[2-[(2R,?4R)?-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]?ethyl]?-1-naphthalenyl ester. Grades: > 95%. CAS No. 1092716-42-1. Molecular formula: C25H38O7. Mole weight: 450.57. | |
| (3S)-3-Hydroxy Quinine | A metabolite of Quinine.Quinine is a common medication that can be used to treat malaria and babesiosis. Synonyms: (8α,9R)-6'-Methoxycinchonan-3,9-diol; (3S)-3-Hydroxyquinine; (3S)-Hydroxyquinine; 3-Hydroxyquinine. Grades: > 95%. CAS No. 78549-61-8. Molecular formula: C20H24N2O3. Mole weight: 340.43. | |
| 3S,3R,4S)-Desfluoro Ezetimibe | Cas No. 190595-66-5. | |
| (3S,4'R)-Benidipine HCl | Synonyms: 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, methyl 1-(phenylmethyl)-3-piperidinyl ester, [S-(R*,S*)]-. Grades: > 95%. CAS No. 119009-45-9. Molecular formula: C28H32N3O6Cl. Mole weight: 542.04. | |
| (3S,5R)-Rosuvastatin Methyl Ester | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: (3S,5R)-Rosuvastatin Methyl Ester. Grades: > 95%. CAS No. 1112048-62-0. Molecular formula: C23H30FN3O6S. Mole weight: 495.57. | |
| (3S,5R)-Rosuvastatin Sodium Salt | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Grades: > 95%. Molecular formula: C22H27FN3O6S. Na. Mole weight: 503.53. | |
| (3S,5R)-tert-Butyl Pitavastatin | A metabolite of Pitavastatin which is a chemically synthesized statin used for hypercholesterolaemia (elevated cholesterol) and for the prevention of cardiovascular disease. Grades: > 95%. Molecular formula: C29H32FNO4. Mole weight: 477.58. | |
| (3S, 5S)-Dihydroxy Simvastatin | An impurity of Simvastatin. Simvastatin is a lipid-lowering drug that inhibits HMG-CoA reductase. It is in the statin class of medications and works by decreasing the manufacture of cholesterol by the liver. Synonyms: Butanoic acid, 2,?2-dimethyl-, 1,?2,?3,?4,?6,?7,?8,?8a-octahydro-4,?6-dihydroxy-3,?7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)?ethyl]?-1-naphthalenyl ester, [1S-[1α, ?3α, ?4β, ?6α, ?7β, ?8β(2S*, ?4S*)?, ?8aβ]?]?- (9CI). Grades: > 95%. CAS No. 159143-77-8. Molecular formula: C25H40O7. Mole weight: 452.58. | |
| (3S,5S) Rosuvastatin Calcium Salt | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Grades: > 95%. Molecular formula: C44H54F2N6O12S2. Ca. Mole weight: 1001.16. | |
| (3S,5S)-Rosuvastatin Methyl Ester | An impurity of Rosuvastatin.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Grades: > 95%. Molecular formula: C23H30FN3O6S. Mole weight: 495.57. | |
| (3S,5S)-Rosuvastatin Sodium Salt | An impurity of Rosuvastatin salt.Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: Rosuvastatin (3S,5S)-Isomer Sodium ;(3S, 5S)-Rosuvastatin Sodium ;Enantiomer of (3R,5R)-Rosuvastatin Sodium ;(3S,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid sodium salt. Grades: > 95%. Molecular formula: C22H27FN3O6S. Na. Mole weight: 503.53. | |
| (3S)-Hydroxperoxy Simvastatin | An impurity of Simvastatin. Simvastatin is a lipid-lowering drug that inhibits HMG-CoA reductase. It is in the statin class of medications and works by decreasing the manufacture of cholesterol by the liver. Synonyms: Butanoic acid, 2,?2-dimethyl-, (1S,?3S,?7S,?8S,?8aR)?-1,?2,?3,?7,?8,?8a-hexahydro-3-hydroperoxy-3,?7-dimethyl-8-[2-[(2R,?4R)?-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]?ethyl]?-1-naphthalenyl ester. Grades: > 95%. CAS No. 1092716-44-3. Molecular formula: C25H38O7. Mole weight: 450.57. | |
| 3-(Trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one | 3-(Trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one an impurity of Sitagliptin. Sitagliptin is an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: 6,7-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-8(5H)-one. Grades: >98%. CAS No. 877402-45-4. Molecular formula: C6H5F3N4O. Mole weight: 206.13. | |
| 4'- ( (1, 7'-Dimethyl-2'-propyl-1H, 1'H-[2, 5'-bibenzo[d]imidazol]-1'-yl) methyl) -[1, 1'-biphenyl]-2-carbonitrile | 4'- ( (1, 7'-Dimethyl-2'-propyl-1H, 1'H-[2, 5'-bibenzo[d]imidazol]-1'-yl) methyl) -[1, 1'-biphenyl]-2-carbonitrile is one of telmisartan impurities. Telmisartan, also called Pritor, a benzimidazole derivative, is an angiotensin II receptor antagonist that can be used to treat hypertension. Synonyms: 4'- ( (1, 7'-Dimethyl-2'-propyl-1H, 1'H-[2, 5'-bibenzo[d]imidazol]-1'-yl) methyl) -[1, 1'-biphenyl]-2-carbonitrile. CAS No. 1338830-39-9. Molecular formula: C33H29N5. Mole weight: 495.62. | |
| 4'-[(1,7'-Dimethyl-2'-propyl[2,5'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic Acid Methyl Ester | 4'-[(1,7'-Dimethyl-2'-propyl[2,5'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic Acid Methyl Ester is one of telmisartan impurities. Telmisartan, also called Pritor, a benzimidazole derivative, is an angiotensin II receptor antagonist that can be used to treat hypertension. Synonyms: Telmisartan EP Impurity B Methyl Ester; 4'-Desmethyl-7'-methyl Telmisartan Methyl Ester; [1,1'-Biphenyl]-2-carboxylic acid,2'-[(1,4'-dimethyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl]-,methyl ester. Grades: > 98%. CAS No. 1338830-37-7. Molecular formula: C34H32N4O2. Mole weight: 528.64. | |
| 4-(1-Cyclohex-1-en-1-yl)-2-(dimethylamino)ethyl)phenol | An impurity of Venlafaxine. Venlafaxine is a serotonin-norepinephrine reuptake inhibitor (SNRI) that is used as an antidepressant. According to different doses, it effects on serotonergic transmission, noradrenergic systems and dopaminergic neurotransmission. Venlafaxine is commonly used to treat depression, general anxiety disorder, social phobia, panic disorder, and vasomotor symptoms. Synonyms: rac Dehydro-O-desmethyl Venlafaxine; 1-Cyclohexen-1-yl-4-methoxy-N,N-dimethylbenzeneethanamine. CAS No. 1346600-38-1. Molecular formula: C16H23NO. Mole weight: 245.37. | |
| 4-(1-Cyclohexyl-2-(dimethylamino)ethyl)phenol | An impurity of Venlafaxine. Venlafaxine is a serotonin-norepinephrine reuptake inhibitor (SNRI) that is used as an antidepressant. According to different doses, it effects on serotonergic transmission, noradrenergic systems and dopaminergic neurotransmission. Venlafaxine is commonly used to treat depression, general anxiety disorder, social phobia, panic disorder, and vasomotor symptoms. Synonyms: rac Deoxy-O-desmethyl Venlafaxine; Cyclohexyl-4-hydroxy-N,N-dimethylbenzeneethanamine. CAS No. 1346605-18-2. Molecular formula: C16H25NO. Mole weight: 247.38. | |
| 4-(2,3-Epoxypropoxy)carbazole | An intermediate in the synthesis of Carvedilol. Synonyms: 4-Oxiranylmethoxy-9H-carbazole; 4-(Oxiranylmethoxy)-9H-carbazole. Grades: > 95%. CAS No. 51997-51-4. Molecular formula: C15H13NO2. Mole weight: 239.28. | |
| 4-(2-Methoxyethyl)phenol | 4-(2-Methoxyethyl)phenol is an impurity of Metoprolol. Synonyms: Phenol, 4-(2-methoxyethyl)-; Phenol, p-(2-methoxyethyl)-; p-(2-Methoxyethyl)phenol; p-Hydroxyphenethyl methyl ether; Metoprolol Impurity I; Metoprolol Impurity B; Metoprolol EP Impurity B. Grades: ≥95%. CAS No. 56718-71-9. Molecular formula: C9H12O2. Mole weight: 152.19. | |
| 4'-[[[2-Methyl-4-(1-methyl-1H-benzimidazol-2-yl)-6-nitrophenyl](1-oxobutyl)amino]methyl]-[1,1'-biphenyl]-2-carboxylic Acid Methyl Ester | 4'-[[[2-Methyl-4-(1-methyl-1H-benzimidazol-2-yl)-6-nitrophenyl](1-oxobutyl)amino]methyl]-[1,1'-biphenyl]-2-carboxylic Acid Methyl Ester is one of telmisartan impurities. Telmisartan, also called Pritor, a benzimidazole derivative, is an angiotensin II receptor antagonist that can be used to treat hypertension. CAS No. 1338830-33-3. Molecular formula: C34H32N4O5. Mole weight: 576.64. | |
| 4-(2-Phthalimidoethoxy)acetoacetic Acid Ethyl Ester | 4-(2-Phthalimidoethoxy)acetoacetic Acid Ethyl Ester is an impurity of Amlodipine. Amlodipine is a long-acting dihydropyridine L-type calcium channel blocker. Amlodipine is used to lower blood pressure and prevent chest pain. Synonyms: Ethyl 4-(2-Phthalimidoethoxy)acetoacetate; 4-[2-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester; 4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester. Grades: >95%. CAS No. 88150-75-8. Molecular formula: C16H17NO6. Mole weight: 319.31. | |
| 4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid | 4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid is one of loratadine impurities. Loratadine is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Synonyms: FK3XE7RE3S; 4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic AcidEthyl Ester; UNII-FK3XE7RE3S; 4-[[3-[2-(3-CHLOROPHENYL)ETHYL]-2-PYRIDINYL]CARBONYL]-1-PIPERIDINECARBOXYLIC ACID; Ethyl 4-((3-(2-(3-chlorophenyl)ethyl)-2-pyridinyl)carbonyl)-1-piperidinecarboxylate; ethyl 4-[3-[2-(3-chlorophenyl)ethyl]pyridine-2-carbonyl]piperidine-1-carboxylate; 1-Piperidinecarboxylic acid, 4-((3-(2-(3-chlorophenyl)ethyl)-2-pyridinyl)carbonyl)-, ethyl ester; FT-0664878. Molecular formula: C20H21ClN2O3. Mole weight: 372.84. | |
| 4-(4-Chlorobutyl)pyridine Hydrochloride | One of the impurities of Tirofiban, which has been found to be a glycoprotein IIb/IIIa inhibitor and could be used as an antiplatelet agent. Synonyms: 4-(4-chlorobutyl)pyridine;hydrochloride; 4-(4-chlorobutyl)pyridine;hydrochloride. CAS No. 149463-65-0. Molecular formula: C9H13Cl2N. Mole weight: 206.11. | |
| 4',4'-Dibromomethyl Biphenyl-2-Carboxylic Acid | 4',4'-Dibromomethyl Biphenyl-2-Carboxylic Acid is one of telmisartan impurities. Telmisartan, also called Pritor, a benzimidazole derivative, is an angiotensin II receptor antagonist that can be used to treat hypertension. Synonyms: 4'-(dibromomethyl)-[1,1'-biphenyl]-2-carboxylic acid; Telmisartan Dibromo Acid Impurity. Grades: 98%. CAS No. 1797894-62-2. Molecular formula: C14H10Br2O2. Mole weight: 370.04. | |
| 4,5,6,7-Tetrahydro-1H-benzoimidazole-5-carboxylic Acid | An impurity of Ramosetron.Ramosetron is a serotonin 5-HT3 receptor antagonist for the treatment of nausea and vomiting. Synonyms: 4,5,6,7-tetrahydro-3H-benzimidazole-5-carboxylic acid; 4,5,6,7-tetrahydro-3H-benzimidazole-5-carboxylic acid. Grades: > 95 %. CAS No. 26751-24-6. Molecular formula: C8H10N2O2. Mole weight: 166.18. | |
| 4'-[(5-chloro-1,4'-dimethyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl]-[1,1'-Biphenyl]-2-carboxylic acid | Cas No. 885045-90-9. | |
| 4,5-Dihydro Prednisone | A derivative of Prednisone.Prednisone is a synthetic corticosteroid drug. It can be used for the treatment of certain inflammatory diseases, some autoimmune diseases, and (at higher doses) some types of cancer. Synonyms: 4,5-Dihydro Prednisone; 103881-93-2; 4,5-Dihydroprednisone, (5alpha)-; UNII-46ZUX92IMF; 46ZUX92IMF; 5alpha-Pregn-1-ene-3,11,20-trione, 17,21-dihydroxy-; Pregn-1-ene-3,11,20-trione, 17,21-dihydroxy-, (5alpha)-; (5S,8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-4,5,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione; 103957-08-0; (5alpha)-4,5-dihydroprednisone; DTXSID70747677; 4,5-DIHYDROPREDNISONE, (5.ALPHA.)-; Q27258972; (5alpha)-17,21-Dihydroxypregn-1-ene-3,11,20-trione; 17alpha,21-dihydroxy-5alpha-pregn1-ene-3,11,20-trione; 5.ALPHA.-PREGN-1-ENE-3,11,20-TRIONE, 17,21-DIHYDROXY-; PREGN-1-ENE-3,11,20-TRIONE, 17,21-DIHYDROXY-, (5.ALPHA.)-. Grades: > 95%. CAS No. 103957-08-0. Molecular formula: C21H28O5. Mole weight: 360.45. | |
| 4,6,7,8,9,10-Hexahydro-6,10-methano-1H-pyrazino[2,3-h][3]benzazepine-2,3-dione Hydrochloride | 4,6,7,8,9,10-Hexahydro-6,10-methano-1H-pyrazino[2,3-h][3]benzazepine-2,3-dione Hydrochloride is one of Varenicline impurities. Varenicline is a nicotinic receptor partial agonist. It's a prescription drug used to treat cigarette addiction. Synonyms: Varenicline Impurity 13 HCl. CAS No. 1350219-74-7. Molecular formula: C13H14N3O2Cl. Mole weight: 279.72. | |
| 4',7-Bis(beta-hydroxyethyl)rutoside | An impurity of Troxerutin. Troxerutin, a flavonol isolated from Sophora japonica, is used as a vasoprotective. Synonyms: Troxerutin Impurity 4; UNII-CI11W0EN4X; CI11W0EN4X; 4',7-Di-O-(hydroxyethyl)rutin; 4',7-Di-O-(beta-hydroxyethyl)rutoside; O-(beta-Hydroxyethyl)rutoside, (4', 7)-di-. CAS No. 13190-91-5. Molecular formula: C31H38O18. Mole weight: 698.64. | |
| 4'-Acetylchrysomycin A | Synonyms: 4'-acetylchrysomycin A; Acetylchrysomycin B, 4'-; PD143236. Grades: >95% by HPLC. Molecular formula: C30H30O10. Mole weight: 550.55. | |
| 4'-Acetylchrysomycin B | 4'-Acetylchrysomycin B is a bacterial metabolite of chrysomycin B which has been found in Streptomyces and it has antibacterial and anticancer activities. It is active against strains of B. subtilis, B. cereus, Corynebacterium bovis, and E. faecalis (MICs = 2-64 μg/ml). 4'-Acetylchrysomycin B is also cytotoxic against a panel of human cancer cell lines, including doxorubicin-sensitive or -resistant cells (IC50s = 1.7-14 and 260-370 ng/ml, respectively). Synonyms: 4'-acetylchrysomycin B; Acetylchrysomycin A, 4'-; PD143424. Grades: >95% by HPLC. Molecular formula: C29H30O10. Mole weight: 538.54. | |
| 4'-Acetylchrysomycin C | 4'-Acetyl chrysomycin C is a bacterial metabolite originally isolated from Streptomyces. Grades: >95% by HPLC. Molecular formula: C30H32O10. Mole weight: 552.57. | |
| 4-Acetyl Ramelteon | 4-Acetyl Ramelteon is an impurity of Ramelteon. Ramelteon is a potent and selective agonist at melatonin MT1/MT2 receptor. Ramelteon is a sleep agent medication used to treat sleeplessness (insomnia). Synonyms: N-[2-(4-Acetyl-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl])ethyl]propanamide. Grades: >95%. CAS No. 1346598-94-4. Molecular formula: C18H23NO3. Mole weight: 301.38. | |
| 4-Amino-3,5-Dichloro Pyridine | Cas No. 22889-78-7. | |
| 4-Amino-3-Nitro Benzophenone | Cas No. 31431-19-3. | |
| 4'-Aminoacetophenone | 4-Aminoacetophenone is a novel utilization of aminophenone derivative in toxicology, for treating intoxications with cyanogenic toxic substances. Synonyms: 1-(4-aminophenyl)ethanone; 1-(4-aminophenyl)ethanone. Grades: > 95 %. CAS No. 99-92-3. Molecular formula: C8H9NO. Mole weight: 135.16. | |
| 4-Aminoantipyrine | Cas No. 83-07-8. | |
| 4-Aminobenzyl alcohol | Cas No. 623-04-1. | |
| 4-Aminobutanal | Synonyms: 1-(1-Pyrrolidinyl)-1,3-butanedione. Grades: > 95%. CAS No. 4390-05-0. Molecular formula: C5H10O. Mole weight: 86.13. | |
| 4-Amino-N-(1-ethyl-3-piperidinyl)-5-(ethylsulfonyl)-2-methoxybenzamide | A metabolite of Amisulpride. Synonyms: N-Des[(1-ethyl-2-pyrrolidinyl)methyl]-N-(1-ethyl-3-piperidinyl) Amisulpride. Grades: > 95%. CAS No. 148516-68-1. Molecular formula: C17H27N3O4S. Mole weight: 369.49. | |
| 4-beta-Hydroxy Cholesterol | 4-beta-Hydroxy Cholesterol is a metabolite of Cholesterol. It is formed from Cholesterol by the drug-metabolizing enzyme cytochrome P 450 3A4. It is also a potential ligand for the nuclear receptor LXR and also a new endogenous CYP3A marker. Synonyms: (3β,4β)-Cholest-5-ene-3,4-diol; Cholest-5-ene-3β,4β-diol; 3β,4β-Dihydroxycholest-5-ene; cis-3,4-Dihydroxy-5-cholestene; cis-5-Cholestene-3,4-diol. Grades: > 95%. CAS No. 17320-10-4. Molecular formula: C27H46O2. Mole weight: 402.65. | |
| 4-Bromo-2-fluorobenzoic acid | An impurity of Enzalutamide. Enzalutamide is an androgen-receptor (AR) antagonist in LNCaP cells. Synonyms: 4-bromo-2-fluorobenzoic acid. Grades: > 95 %. CAS No. 112704-79-7. Molecular formula: C7H4BrFO2. Mole weight: 219.01. | |
| 4-Butoxyphenol | An impurity of Pramoxine which is in a class of medications called topical anesthetics. Synonyms: 4-butoxyphenol. Grades: 99 %. CAS No. 122-94-1. Molecular formula: C10H14O2. Mole weight: 166.22. | |
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