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 | |
|---|---|---|
| (+)-3R,5S-Fluvastatin sodium salt | Synonyms: (3R,5S,6E)-7-[3-(4-Fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid. Grades: > 95%. CAS No. 155229-75-7. Molecular formula: C24H25FNO4Na. Mole weight: 433.46. |  |
| (3R)-Ethyl 5-azido-4-((methylsulfonyl)oxy)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate | (3R)-Ethyl 5-azido-4-((methylsulfonyl)oxy)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate is an intermediate in the synthesis of Oseltamivir, which is an antiviral drug used to treat and prevent influenza A and B viruses. Synonyms: Ethyl (3R)-5-azido-4-[(methylsulfonyl)oxy]-3-(3-pentanyloxy)-1-cyclohexene-1-carboxylate; 1-Cyclohexene-1-carboxylic acid, 5-azido-3-(1-ethylpropoxy)-4-[(methylsulfonyl)oxy]-, ethyl ester, (3R)-. CAS No. 1216260-26-2. Molecular formula: C15H25N3O6S. Mole weight: 375.44. | |
| (3R)-N-Methyl-3-(3-methylphenoxy)-3-phenylpropan-1-amine Hydrochloride | (3R)-N-Methyl-3-(3-methylphenoxy)-3-phenylpropan-1-amine Hydrochloride is an impurity of Atomoxetine, which is a selective norepinephrine (NE) reuptake inhibitor for the treatment of attention-deficit hyperactivity disorder (ADHD). Synonyms: (R)-N-methyl-3-phenyl-3-(m-tolyloxy)propan-1-amine hydrochloride; (3R)-N-Methyl-3-(3-methylphenoxy)-3-phenyl-1-propanamine hydrochloride (1:1); Benzenepropanamine, N-methyl-γ-(3-methylphenoxy)-, (γR)-, hydrochloride (1:1); Atomoxetine EP Impurity D HCl (Atomoxetine USP Related Compound B (R-Isomer)). CAS No. 1643684-05-2. Molecular formula: C17H22ClNO. Mole weight: 291.81. | |
| (3R)-N-Methyl-3-(4-methylphenoxy)-3-phenylpropan-1-amine Hydrochloride | (3R)-N-Methyl-3-(4-methylphenoxy)-3-phenylpropan-1-amine Hydrochloride is an impurity of Atomoxetine, which is a selective norepinephrine (NE) reuptake inhibitor for the treatment of attention-deficit hyperactivity disorder (ADHD). Synonyms: (R)-N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride; (3R)-N-Methyl-3-(4-methylphenoxy)-3-phenyl-1-propanamine hydrochloride (1:1); Benzenepropanamine, N-methyl-γ-(4-methylphenoxy)-, (γR)-, hydrochloride (1:1); Atomoxetine EP Impurity C HCl. Grades: ≥95%. CAS No. 1643684-06-3. Molecular formula: C17H22ClNO. Mole weight: 291.81. | |
| (3R)-oct-1-en-3-ol | Synonyms: 1-Octen-3-ol, (3R)-; 1-Octen-3-ol, (R)-; 1-Octen-3-ol, (-)-; (3R)-1-Octen-3-ol; Matsutake alcohol; Matsutakeol; (-)-1-Octen-3-ol; (R)-(-)-1-Octen-3-ol; L-1-Octen-3-ol; (R)-Matsutake alcohol; (R)-1-Octen-3-ol; (-)-Matsutakeol. Grades: 98%. CAS No. 3687-48-7. Molecular formula: C8H16O. Mole weight: 128.21. | |
| (3S, 4aS, 5aR, 6aS, 6bS, 9aS, 11aS, 11bR)-9a, 11b-dimethyl-9-(pyridin-3-yl)-1, 2, 3, 4, 5a, 6, 6a, 6b, 7, 9a, 10, 11, 11a, 11b-tetradecahydrocyclopenta[1, 2]phenanthro[8a, 9-b]oxiren-3-yl acetate | (3S, 4aS, 5aR, 6aS, 6bS, 9aS, 11aS, 11bR)-9a, 11b-dimethyl-9-(pyridin-3-yl)-1, 2, 3, 4, 5a, 6, 6a, 6b, 7, 9a, 10, 11, 11a, 11b-tetradecahydrocyclopenta[1, 2] phenanthro[8a,9-b]oxiren-3-yl acetate is an impurity of Abiraterone acetate. Abiraterone acetate is a CYP17A1 inhibitor and by extension androgen synthesis inhibitor. CAS No. 1868064-76-9. Molecular formula: C26H33NO3. Mole weight: 407.55. | |
| (3S,4R)-1-Benzyl-N,4-dimethylpiperidin-3-amine | (3S,4R)-1-Benzyl-N,4-dimethylpiperidin-3-amine is an impurity of Tofacitinib, a medication used to treat rheumatoid arthritis, psoriatic arthritis and ulcerative colitis. Synonyms: (3S,4R)-N,4-Dimethyl-1-(phenylmethyl)-3-piperidinamine. CAS No. 1638499-33-8. Molecular formula: C14H22N2. Mole weight: 218.34. | |
| (3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-1-methyl-4-phenylpiperidine | An impurity of Paroxetine which is a selective serotonin reuptake inhibitor. Synonyms: Paroxetine Impurity 20. Grades: 98%. CAS No. 324023-99-6. Molecular formula: C20H23NO3. Mole weight: 325.40. | |
| (3S,4R,5R)-1-(4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)-3,4,5,6-tetrahydroxyhexan-2-one | (3S,4R,5R)-1-(4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)-3,4,5,6-tetrahydroxyhexan-2-one is a degradation product of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergies. Synonyms: D-Fructose, 1-[4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]-1-deoxy-; 1-[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]-1-deoxy-D-fructose. Grades: 98%. CAS No. 1419972-49-8. Molecular formula: C25H29ClN2O5. Mole weight: 472.96. | |
| (3S,4R)-Tofacitinib | (3S,4R)-Tofacitinib is a less active enantiopure stereoisomer of the JAK3 inhibitor Tofacitinib. Synonyms: Tofacitinib Impurity B; 3-((3S,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile. Grades: >98%. CAS No. 1092578-48-7. Molecular formula: C16H20N6O. Mole weight: 312.27. | |
| (3S,4S)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride | (3S,4S)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride is an impurity of Tofacitinib, a medication used to treat rheumatoid arthritis, psoriatic arthritis and ulcerative colitis. Synonyms: Tofacitinib impurity G; Tofacitinib Impurity 02; cis-1-Benzyl-3-(methylamino)-4-methylpiperidine dihydrochloride. CAS No. 1354486-07-9. Molecular formula: C14H24Cl2N2. Mole weight: 291.3. | |
| (3S,4S)-3-Hexyl-4-[(S)-2-hydroxytridecyl]-2-oxetanone | An analog of Tetrahydrolipstatin, an inhibitor of the hydrolysis of endocannabinoid 2-arachidonoylglycerol (2-AG), also an intermediate in the preparation of Orlistat. Synonyms: (3S,4S)-3-Hexyl-4-((S)-2-hydroxytridecyl)oxetan-2-one. CAS No. 68711-40-0. Molecular formula: C22H42O3. Mole weight: 354.57. | |
| (3S,4S,5R)-Ethyl 5-Acetoxy-4-hydroxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate | (3S,4S,5R)-Ethyl 5-Acetoxy-4-hydroxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate is an intermediate in the synthesis of Oseltamivir, which is an antiviral drug used to treat and prevent influenza A and B viruses. Synonyms: Ethyl (3S,4S,5R)-5-acetoxy-4-hydroxy-3-(3-pentanyloxy)-1-cyclohexene-1-carboxylate; 1-Cyclohexene-1-carboxylic acid, 5-(acetyloxy)-3-(1-ethylpropoxy)-4-hydroxy-, ethyl ester, (3S,4S,5R)-. CAS No. 347378-70-5. Molecular formula: C16H26O6. Mole weight: 314.37. | |
| (3S,4S,5R)-Ethyl 5-Acetoxy-4-((methylsulfonyl)oxy)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate | (3S,4S,5R)-Ethyl 5-Acetoxy-4-((methylsulfonyl)oxy)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate is an intermediate of enantiomeric derivatives of Oseltamivir, which can be used in COVID19-related research. Synonyms: Ethyl (3S,4S,5R)-5-acetoxy-4-[(methylsulfonyl)oxy]-3-(3-pentanyloxy)-1-cyclohexene-1-carboxylate; 1-Cyclohexene-1-carboxylic acid, 5-(acetyloxy)-3-(1-ethylpropoxy)-4-[(methylsulfonyl)oxy]-, ethyl ester, (3S,4S,5R)-. CAS No. 347378-72-7. Molecular formula: C17H28O8S. Mole weight: 392.46. | |
| (3S,4S)-Tofacitinib | (3S,4S)-Tofacitinib is a less active enantiopure stereoisomer of the JAK3 inhibitor Tofacitinib. Synonyms: Tofacitinib Impurity C; 3-((3S,4S)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile. Grades: >98%. CAS No. 1092578-47-6. Molecular formula: C16H20N6O. Mole weight: 312.27. | |
| (3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid | (3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid is an impurity of Sacubitril, an endopeptidase inhibitor that is effective in the treatment of hypertension and heart failure. Synonyms: 4-[(3R,5S)-5-(4-Biphenylylmethyl)-3-methyl-2-oxo-1-pyrrolidinyl]-4-oxobutanoic acid. CAS No. 2216746-87-9. Molecular formula: C22H23NO4. Mole weight: 365.422. | |
| ((3S,5R)-5-(2,4-difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl)methyl isobutyrate | ((3S,5R)-5-(2,4-difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl)methyl isobutyrate is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. Synonyms: [(3S,5R)-5-(2,4-Difluorophenyl)-5-(iodomethyl)tetrahydro-3-furanyl]methyl 2-methylpropionate. CAS No. 1042398-26-4. Molecular formula: C16H19F2IO3. Mole weight: 424.22. | |
| (-)-3S,5R-Fluvastatin sodium salt | Synonyms: (3S,5R)-7-[3-(4-Fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic Acid Sodium Salt. Grades: > 95%. CAS No. 94061-81-1. Molecular formula: C24H25FNO4Na. Mole weight: 433.46. | |
| (3S,5S,2S,3R)-Posaconazole | (3S,5S,2S,3R)-Posaconazole is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. Synonyms: 4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2S,3R)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one. CAS No. 2243785-98-8. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| ((3S,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate) calcium(II) | Cas No. 2185805-14-3. | |
| (3S,5S)-Fluvastatin Sodium Salt | (3S,5S)-Fluvastatin Sodium Salt is an analogue of Fluvastatin (F601250). Synonyms: (S,S)-Fluvastatin Sodium Salt; [S-[R*,R*-(E)]]-7-[3-(4-Fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic Acid Monosodium Salt. Grades: > 95%. CAS No. 194935-01-8. Molecular formula: C24H25FNO4Na. Mole weight: 433.46. | |
| (3S, 6R, E) -6- ( (1R, 3aS, 7aR, E) -4- (2- ( (3R, 5R) -3, 5-bis ( (tert-butyldimethylsilyl) oxy) cyclohexylidene) ethylidene) -7a-methyloctahydro-1H-inden-1-yl) -2, 3-dimethylhept-4-en-2-ol | It is an impurity of paricalcitol, an analogue of vitamin D2. Paricalcitol is a medication used for the treatment of secondary hyperparathyroidism. Synonyms: Paricalcitol Impurity J. CAS No. 1192803-39-6. Molecular formula: C39H72O3Si2. Mole weight: 645.16. | |
| (3S,8R,13R,18S)-1,20-Bis(1,1-dimethylethoxy)-1,6,15,20-tetraoxo-10,11-dithia-2,7,14,19-tetraazaeicosane-3,8,13,18-tetracarboxylic Acid 3,8,13,18-Tetrakis(1,1-dimethylethyl) Ester | (3S,8R,13R,18S)-1,20-Bis(1,1-dimethylethoxy)-1,6,15,20-tetraoxo-10,11-dithia-2,7,14,19-tetraazaeicosane-3,8,13,18-tetracarboxylic Acid 3,8,13,18-Tetrakis(1,1-dimethylethyl) Ester is an intermediate in the synthesis of L-γ-Glutamyl-(S)-Allyl-Cysteine, which is an extract from garlic used in the production of inflammatory mediators. Synonyms: (6S,11R,16R,21S)-Tetra-tert-butyl 2,2,25,25-Tetramethyl-4,9,18,23-tetraoxo-3,24-dioxa-13,14-dithia-5,10,17,22-tetraazahexacosane-6,11,16,21-tetracarboxylate; 10,11-Dithia-2,7,14,19-tetraazaeicosane-3,8,13,18-tetracarboxylic acid, 1,20-bis(1,1-dimethylethoxy)-1,6,15,20-tetraoxo-, 3,8,13,18-tetrakis(1,1-dimethylethyl) ester, (3S,8R,13R,18S)-; Tetrakis(2-methyl-2-propanyl) (6S,11R,16R,21S)-2,2,25,25-tetramethyl-4,9,18,23-tetraoxo-3,24-dioxa-13,14-dithia-5,10,17,22-tetraazahexacosane-6,11,16,21-tetracarboxylate. CAS No. 2112809-05-7. Molecular formula: C42H74N4O14S2. Mole weight: 923.18. | |
| (3S)-Aminoquinuclidine Dihydrochloride | (3S)-Aminoquinuclidine Dihydrochloride is an intermediate in the synthesis of Palonosetron, which is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Uses: Palonosetron intermediate. Synonyms: (S)-quinuclidin-3-amine dihydrochloride; (3S)-1-Azabicyclo[2.2.2]octan-3-amine Hydrochloride (1:2); (3S)-3-Amino-1-azabicyclo[2.2.2]octane Dihydrochloride; (3S)-quinuclidin-3-amine Dihydrochloride; 1-Azabicyclo[2.2.2]octan-3-amine, (3S)-, hydrochloride (1:2). Grades: ≥95%. CAS No. 119904-90-4. Molecular formula: C7H16Cl2N2. Mole weight: 199.12. | |
| (3S)-N-[[(1S)-1,2,3,4-Tetrahydro-1-naphthalenyl]methyl]-1-azabicyclo[2.2.2]octan-3-amine | (3S)-N-[[(1S)-1,2,3,4-Tetrahydro-1-naphthalenyl]methyl]-1-azabicyclo[2.2.2]octan-3-amine 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-[(1,2,3,4-Tetrahydro-1-naphthalenyl)methyl]-1-azabicyclo[2.2.2]octan-3-amine; (S)-N-(((S)-1,2,3,4-tetrahydronaphthalen-1-yl)methyl)quinuclidin-3-amine; Palonosetron Impurity 5. Grades: ≥95%. CAS No. 177793-80-5. Molecular formula: C18H26N2. Mole weight: 270.41. | |
| (3S)-N-Methyl-γ-(1-naphthalenyloxy)-3-thiophenepropanamine | (3S)-N-Methyl-γ-(1-naphthalenyloxy)-3-thiophenepropanamine 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: DLX-ISO 3; Duloxetine EP Impurity F; (γS)-N-Methyl-γ-(1-naphthalenyloxy)-3-thiophenepropanamine; (3S)-N-Methyl-3-(1-naphthyloxy)-3-(3-thienyl)-1-propanamine; 3-Thiophenepropanamine, N-methyl-γ-(1-naphthalenyloxy)-, (γS)-; (S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine. Grades: ≥95%. CAS No. 959392-22-4. Molecular formula: C18H19NOS. Mole weight: 297.41. | |
| 3-TBS-trans-Calcifediol | 3-TBS-trans-Calcifediol is a derivative of vitamin D3 and an impurity of calcifediol. Calcifediol is a prehormone produced in the liver from vitamin D3. Molecular formula: C33H58O2Si. Mole weight: 514.908. | |
| 3-((tert-Butyldimethylsilyl)oxy)-5H-dibenzo[b,f]azepine | 3-((tert-Butyldimethylsilyl)oxy)-5H-dibenzo[b,f]azepine is a metabolite of Carbamazepine, which is used in treatment of pain associated with trigeminal neuralgia. Synonyms: 3-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-5H-dibenzo[b,f]azepine; 5H-Dibenz[b,f]azepine, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-. Grades: 98%. Molecular formula: C20H25NOSi. Mole weight: 323.50. | |
| 3-[[(tert-Butyl)dimethylsilyl]oxy]retinoic Acid Ethyl Ester | Synonyms: 3-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}ethylretinoic acid; Retinoic acid, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-ethyl-; 3-[[ (1, 1-Dimethylethyl) dimethylsilyl]oxy]retinoic Acid Ethyl Ester; ethyl (2E,4E,6E,8E)-9-[4-[tert-butyl(dimethyl)silyl]oxy-2,6,6-trimethylcyclohexen-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoate. Molecular formula: C28H46O3Si. Mole weight: 458.75. | |
| 3-Valerate 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: 17β-Estradiol 3-β-D-Glucuronide; (17β)-17-Hydroxyestra-1,3,5(10)-trien-3-yl β-D-Glucopyranosiduronic Acid; 3-(β-D-Glucopyranuronosyloxy) Estra-1,3,5(10)-trien-17β-ol. Grades: > 95%. CAS No. 21881-45-8. Molecular formula: C23H32O3. Mole weight: 356.51. | |
| (3Z)-17-Desacetyl Norgestimate | (3Z)-17-Desacetyl Norgestimate is a metabolite of Norgestimate, which is a progestin medication used in birth control pills for women and in menopausal hormone therapy. Uses: Contraceptive agents, hormonal. Synonyms: syn-Norelgestromin; Z-17-Deacetylnorgestimate; (8R,9S,10R,13S,14S,17R,Z)-13-Ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one Oxime; (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime; 17-Deacetylnorgestimate; 18-Methylnorethindrone oxime; BRN 4202099; D-Norgestrel 3-Oxime; Levonorgestrel 3-Oxime; RWJ 10553; Norelgestromin. Grades: ≥95%. CAS No. 74183-54-3. Molecular formula: C21H29NO2. Mole weight: 327.46. | |
| (3Z)-2,3-Dihydro-2-oxo-3-(phenyl-1-piperidinylmethylene)-1H-indole-6-carboxylic acid methyl ester | An impurity of Nintedanib, a receptor tyrosine kinase (RTK) inhibitor that binds to vascular endothelial growth factor receptor, fibroblast growth factor receptor and platelet derived growth factor receptor. Nintedanib is used as a medication for the treatment of idiopathic pulmonary fibrosis. Synonyms: Nintedanib Impurity U. Grades: ≥95%. CAS No. 2102162-79-6. Molecular formula: C22H22N2O3. Mole weight: 362.42. | |
| 4-(1-(dimethylamino)ethyl)phenol hydrochloride | An impurity of Rivastigmine. Rivastigmine is a cholinesterase inhibitor. It works by increasing the amount of a certain substance (acetylcholine) in the brain, which may help reduce symptoms of dementia in patients with Alzheimer disease. Synonyms: Dimethyl-alpha-(4-hydroxyphenyl)ethylamine hydrochloride; p-(1-(Dimethylamino)ethyl)phenol hydrochloride; Rivastigmine Impurity 11. CAS No. 1049692-05-8. Molecular formula: C10H16ClNO. Mole weight: 201.69. | |
| 4-(1-Ethoxyethoxy)-2-methyl-1,2-butanediol | 4-(1-Ethoxyethoxy)-2-methyl-1,2-butanediol is an intermediate in the synthesis of Mevalonolactone, which is a key intermediate in the synthesis of vitamin E-related compounds. Synonyms: 1,2-Butanediol, 4-(1-ethoxyethoxy)-2-methyl-. Molecular formula: C9H20O4. Mole weight: 192.25. | |
| 4-(1-Ethoxyethoxy)-2-methyl-1,2-butanediol 1-(4-Methylbenzenesulfonate) | 4-(1-Ethoxyethoxy)-2-methyl-1,2-butanediol 1-(4-Methylbenzenesulfonate) is an intermediate in the synthesis of Mevalonolactone, which is a key intermediate in the synthesis of vitamin E-related compounds. Synonyms: 1,2-Butanediol, 4-(1-ethoxyethoxy)-2-methyl-, 1-(4-methylbenzenesulfonate)-. Molecular formula: C16H26O6S. Mole weight: 346.44. | |
| 4-(1-Ethoxyethoxy)-2-methyl-1-butene | 4-(1-Ethoxyethoxy)-2-methyl-1-butene is an intermediate in the synthesis of Mevalonolactone, which is a key intermediate in the synthesis of vitamin E-related compounds. Synonyms: 1-Butene, 4-(1-ethoxyethoxy)-2-methyl-; 1-Ethoxy-1-[(3-methylbut-3-en-1-yl)oxy]ethane; 2,6-Dimethyl-5,7-dioxa-1-nonene. CAS No. 261378-88-5. Molecular formula: C9H18O2. Mole weight: 158.24. | |
| 4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Methyl Ester | 4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid methyl ester is one of pemetrexed metabolites. Pemetrexed binds to and inhibits the enzyme thymidylate synthase (TS) which catalyses the methylation of 2'-deoxyuridine-5'-monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP), an essential precursor in DNA synthesis. Synonyms: Benzoic acid, 4-[2-(2-amino-4,5,6,7-tetrahydro-4,6-dioxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]-, methyl ester; Pemetrexed Impurity 63; Methyl 4-[2-(2-amino-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoate; Methyl 4-(2-(2-imino-4,6-dioxo-2,3,4,5,6,7-hexahydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoate. Grades: ≥95%. CAS No. 1320346-43-7. Molecular formula: C16H16N4O4. Mole weight: 328.32. | |
| 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid Methyl Ester | Cas No. 155405-80-4. | |
| 4-[2-(5,6,7,8-Tetrahydro-5,5-dimethyl-8-oxo-2-naphthalenyl)ethynyl]benzoic Acid Ethyl Ester | . Uses: Intermediate in the production of high affinity retinoic acid receptor (rar) antagonists. Synonyms: Ethyl 4-[2-(5,6,7,8-Tetrahydro-5,5-dimethyl-8-oxo-2-naphthalenyl)ethynyl]benzoate; Benzoic acid, 4-((5,6,7,8-tetrahydro-5,5-dimethyl-8-oxo-2-naphthalenyl)ethynyl)-, ethyl ester; Ethyl 4-[(5,5-dimethyl-8-oxo-5,6,7,8-tetrahydro-2-naphthalenyl)ethynyl]benzoate. Grades: ≥95%. CAS No. 166978-49-0. Molecular formula: C23H22O3. Mole weight: 346.42. | |
| 4-[2-[5,6-Dihydro-5,5-dimethyl-8-[[(trifluoromethyl)sulfonyl]oxy]-2-naphthalenyl]ethynyl]benzoic Acid Ethyl Ester | . Uses: Intermediate in the production of high affinity retinoic acid receptor (rar) antagonists. Synonyms: Ethyl 4-[2-[5,6-Dihydro-5,5-dimethyl-8-[[(trifluoromethyl)sulfonyl]oxy]-2-naphthalenyl]ethynyl]benzoate; Ethyl 4-[(5,5-dimethyl-8-{[(trifluoromethyl)sulfonyl]oxy}-5,6-dihydro-2-naphthalenyl)ethynyl]benzoate; Benzoic acid, 4-[2-[5,6-dihydro-5,5-dimethyl-8-[[(trifluoromethyl)sulfonyl]oxy]-2-naphthalenyl]ethynyl]-, ethyl ester. Grades: ≥95%. CAS No. 171568-44-8. Molecular formula: C24H21F3O5S. Mole weight: 478.48. | |
| 4-(2-(Benzyl(methyl)amino)-1-hydroxyethyl)-2-(benzyloxy)phenyl (2,2,2-trichloroethyl) Sulfate | An intermediate of Epinephrine Sulfate. Epinephrine is an endogenous catcholamine with combined α-and β-agonist activity and its principal sympathomimetic hormone is produced by the adrenal medulla. Synonyms: 4-{2-[Benzyl(methyl)amino]-1-hydroxyethyl}-2-(benzyloxy)phenyl 2,2,2-trichloroethyl sulfate; Sulfuric acid, 4-[1-hydroxy-2-[methyl(phenylmethyl)amino]ethyl]-2-(phenylmethoxy)phenyl 2,2,2-trichloroethyl ester. Molecular formula: C25H26Cl3NO6S. Mole weight: 574.90. | |
| 4-((2-chloro-4-hydroxyphenyl)amino)-7-methoxyquinoline-6-carboxamide | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: Lenvatinib Impurity 02; 6-Quinolinecarboxamide, 4-[(2-chloro-4-hydroxyphenyl)amino]-7-methoxy-. CAS No. 2380197-89-5. Molecular formula: C17H14ClN3O3. Mole weight: 343.76. | |
| 4-(2-(dimethylamino)ethyl)benzene-1,2-diol hydrobromide | 4-(2-(dimethylamino)ethyl)benzene-1,2-diol hydrobromide is a metabolite of Dopamine. Synonyms: 4-[2-(dimethylamino)ethyl]benzene-1,2-diol hydrobromide; 4-[2-(dimethylamino)ethyl]benzene-1,2-diol; hydrobromide; 4-(2-(dimethylamino)ethyl)benzene-1,2-diol hydrobromide; N,N-dimethyldopamine hydrobromide; SCHEMBL20854749; DTXSID70851364; EN300-116779; 4-[2-(dimethylamino)ethyl]benzene-1,2-diolhydrobromide; Z1501469796; 4-[2-(Dimethylamino)ethyl]benzene-1,2-diol--hydrogen bromide (1/1). CAS No. 50309-53-0. Molecular formula: C10H16BrNO2. Mole weight: 262.14. | |
| 4'-((2-ethoxy-7-(methoxycarbonyl)-1H-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid | 4'-((2-ethoxy-7-(methoxycarbonyl)-1H-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid is an impurity of Azilsartan, an angiotensin II receptor blocker (ARB) used to treat high blood pressure. Synonyms: 4'-((2-Ethoxy-7-(methoxycarbonyl)-1h-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid; 4'-((2-Ethoxy-7-(methoxycarbonyl)-1H-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylicacid; F19388. CAS No. 1675221-59-6. Molecular formula: C25H22N2O5. Mole weight: 430.45. | |
| 4-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazole-5-carboxylic acid | 4-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazole-5-carboxylic acid 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: 4-(1-hydroxy-1-methylethyl)-2-propylimidazole-5-carboxylic acid. CAS No. 144690-04-0. Molecular formula: C10H16N2O3. Mole weight: 212.25. | |
| 4-(2-(methylamino)ethyl)benzene-1,2-diol hydrobromide | 4-(2-(methylamino)ethyl)benzene-1,2-diol hydrobromide is a metabolite of Dopamine. Synonyms: 4-[2-(Methylamino)ethyl]-1,2-benzenediol hydrobromide (1:1). CAS No. 18191-22-5. Molecular formula: C9H14BrNO2. Mole weight: 248.12. | |
| 4-(3-(4-butyrylpiperazine-1-carbonyl)-4-fluorobenzyl)phthalazin-1(2H)-one | 4-(3-(4-butyrylpiperazine-1-carbonyl)-4-fluorobenzyl)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-{3-[(4-Butyryl-1-piperazinyl)carbonyl]-4-fluorobenzyl}-1(2H)-phthalazinone. CAS No. 2250243-17-3. Molecular formula: C24H25FN4O3. Mole weight: 436.48. | |
| 4-(3-(4-(cyclopropanecarbonyl)piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one | 4-(3-(4-(cyclopropanecarbonyl)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-(3-{[4-(Cyclopropylcarbonyl)-1-piperazinyl]carbonyl}benzyl)-1(2H)-phthalazinone; 1-(Cyclopropylcarbonyl)-4-[5-[(3,4-dihydro-4-oxo-1-phthalazinyl)methyl]-benzoyl]piperazine. CAS No. 763113-06-0. Molecular formula: C24H24N4O3. Mole weight: 416.47. | |
| 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenaminehydrochloride | Cas No. 79617-89-3. | |
| 4-[[3-Chloro-4-(2-pyridinylmethoxy)phenyl]amino]-7-ethoxy-6-[(1-methyl-2-pyrrolidinylidene)amino]-3-quinolinecarbonitrile | An impurity of Neratinib, which is an irreversible inhibitor of the HER-2 receptor tyrosine kinase with potential antineoplastic activity. Synonyms: Neratinib Impurity PRQ; 3-Quinolinecarbonitrile, 4-[[3-chloro-4-(2-pyridinylmethoxy)phenyl]amino]-7-ethoxy-6-[(1-methyl-2-pyrrolidinylidene)amino]-. Grades: ≥95%. CAS No. 1144516-21-1. Molecular formula: C29H27ClN6O2. Mole weight: 527.02. | |
| 4-(3-chloro-4-(3,3-dimethylureido)phenoxy)-7-methoxyquinoline-6-carboxamide | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: 6-Quinolinecarboxamide, 4-[3-chloro-4-[[ (dimethylamino) carbonyl]amino]phenoxy]-7-methoxy-; Lenvatinib Impurity 07. CAS No. 2143930-76-9. Molecular formula: C20H19ClN4O4. Mole weight: 414.84. | |
| 4-(3-chloro-4-(3-methylureido)phenoxy)-7-methoxyquinoline-6-carboxamide | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: 6-Quinolinecarboxamide, 4-[3-chloro-4-[[ (methylamino)carbonyl]amino]phenoxy]-7-methoxy-; Lenvatinib Impurity 06. CAS No. 417719-45-0. Molecular formula: C19H17ClN4O4. Mole weight: 400.82. | |
| 4-((3-Chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-7-ethoxy-6-(2-hydroxy-5-oxopyrrolidin-1-yl)quinoline-3-carbonitrile | An impurity of Neratinib, which is an irreversible inhibitor of the HER-2 receptor tyrosine kinase with potential antineoplastic activity. Synonyms: Quinoline-3-carbonitrile, 4-((3-chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-7-ethoxy-6-(2-hydroxy-5-oxopyrrolidin-1-yl); Neratinib Impurity 14. Grades: ≥95%. CAS No. 1144516-15-3. Molecular formula: C28H24ClN5O4. Mole weight: 529.98. | |
| 4-(3-methyl-4-phenylisoxazol-5-yl)benzenesulfonamide | An impurity of Parecoxib which is a COX2 selective inhibitor and a water-soluble and injectable prodrug of valdecoxib. Synonyms: Parecoxib Impurity 39; Benzenesulfonamide, 4-(3-methyl-5-phenyl-4-isoxazolyl)-. Grades: 98%. CAS No. 181695-84-1. Molecular formula: C16H14N2O3S. Mole weight: 314.36. | |
| 4-(4-(3-cyclopropylureido)phenoxy)-7-methoxyquinoline-6-carboxamide | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: 1-(4-(6-carbamoyl-7-methoxyquinolin-4-yloxy)phenyl)-3-cyclopropylurea; Lenvatinib Impurity 03. CAS No. 417714-14-8. Molecular formula: C21H20N4O4. Mole weight: 392.41. | |
| 4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-1-benzyl-1-(4-(1-((2S,3R)-2-hydroxypentan-3-yl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)phenyl)piperazin-1-ium | 4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-1-benzyl-1-(4-(1-((2S,3R)-2-hydroxypentan-3-yl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)phenyl)piperazin-1-ium is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 1819334-66-1. Molecular formula: C57H70F2N10O42. Mole weight: 997.25. | |
| 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one | 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 171228-51-6. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| 4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one | 4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 1229428-91-4. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| 4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2S,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one | 4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2S,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 2243785-96-6. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| 4-(4-(4-(4-(((3S,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one | 4-(4-(4-(4-(((3S,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 213381-06-7. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| 4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one | 4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluoro phenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. CAS No. 2243785-99-9. Molecular formula: C37H42F2N8O4. Mole weight: 700.79. | |
| 4,4,4-Trimethoxybutanoic Acid Methyl Ester | 4,4,4-Trimethoxybutanoic Acid Methyl Ester is the substituent in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Butanoic acid, 4,4,4-trimethoxy-, methyl ester. Grades: ≥95%. CAS No. 71235-00-2. Molecular formula: C8H16O5. Mole weight: 192.21. | |
| 4,4'-(5-methylisoxazole-3,4-diyl)dibenzenesulfonamide | An impurity of Parecoxib which is a COX2 selective inhibitor and a water-soluble and injectable prodrug of valdecoxib. Synonyms: Parecoxib Impurity 15; Valdecoxib Impurity 13. CAS No. 2251048-58-3. Molecular formula: C16H15N3O5S2. Mole weight: 393.43. | |
| 4-(4-((6-carbamoyl-7-methoxyquinolin-4-yl)amino)-3-chlorophenoxy)-7-methoxyquinoline-6-carboxamide | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: Lenvatinib Impurity 01. CAS No. 2380197-90-8. Molecular formula: C28H22ClN5O5. Mole weight: 543.96. | |
| 4-(4-Aminophenoxy)-2-pyridinecarboxamide | 4-(4-Aminophenoxy)-2-pyridinecarboxamide is one of Sorafenib intermediates. Sorafenib is a polykinase inhibitor of Raf-1, B-Raf and VEGFR-2 and is an anti-tumor drug. Synonyms: 4-(2-Carbamoyl-4-pyridyloxy)aniline; 4-(4-Aminophenoxy)picolinamide; 4-(4-amino-phenoxy)-pyridine-2-carboxylic acid amide; 2-Pyridinecarboxamide, 4-(4-aminophenoxy)-; Sorafenib tosylate Impurity 8; 4-(2-carbamoyl-pyridin-4-yloxy)aniline. Grades: 95%. CAS No. 284462-80-2. Molecular formula: C12H11N3O2. Mole weight: 229.23. | |
| 4-(4-Aminophenoxy)picolinic Acid | 4-(4-Aminophenoxy)picolinic Acid is used in the synthesis of sorafenib analogs. Synonyms: 4-(4-Aminophenoxy)-2-pyridinecarboxylic Acid; Sorafenib Related Compound 19. Grades: 98%. CAS No. 1012058-77-3. Molecular formula: C12H10N2O3. Mole weight: 230.22. | |
| 4,4'-(((carbonylbis(azanediyl))bis(3-chloro-4,1-phenylene))bis(oxy))bis(7-methoxyquinoline-6-carboxamide) | One of the impurities of Lenvatinib. Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/&beta. Synonyms: 1,3-bis(4-(6-carbamoyl-7-methoxyquinolin-4-yloxy)-2-chlorophenyl)urea; 4,4'-[Carbonylbis[imino(3-chloro-4,1-phenylene)oxy]]bis[7-methoxy-6-quinolinecarboxamide]; Lenvatinib Impurity 04. CAS No. 2143930-75-8. Molecular formula: C35H26Cl2N6O7. Mole weight: 713.52. | |
| 4-(4-chlorophenyl)-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 40. CAS No. 1448355-87-0. Molecular formula: C16H12ClNO. Mole weight: 269.72. | |
| 4,4-Dimethyl-7-ethynyl-1-tetralone | . Uses: Intermediate in the production of high affinity retinoic acid receptor (rar) antagonists. Synonyms: 7-Ethynyl-3,4-dihydro-4,4-dimethyl-1(2H)-naphthalenone; 7-Ethynyl-4,4-dimethyl-3,4-dihydronaphthalen-1(2H)-one; 1(2H)-Naphthalenone, 7-ethynyl-3,4-dihydro-4,4-dimethyl-; 7-Ethynyl-4,4-dimethyl-3,4-dihydro-1(2H)-naphthalenone; 7-Ethynyl-4,4-dimethyl-1,2,3,4-tetrahydronaphthalen-1-one. Grades: ≥95%. CAS No. 166978-48-9. Molecular formula: C14H14O. Mole weight: 198.26. | |
| 4-[4-(Dimethylamino)phenyl]-1,2,4-triazolidine-3,5-dione | 4-[4-(Dimethylamino)phenyl]-1,2,4-triazolidine-3,5-dione is a new reagent for determination of ultra trace amounts of Thallium(III). Synonyms: 4-(4'-N,N-Dimethylaminophenyl)urazole. Grades: > 95%. CAS No. 883455-55-8. Molecular formula: C10H12N4O2. Mole weight: 220.23. | |
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