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 | |
|---|---|---|
| [2-[2-Amino-3-hydroxy-2-(hydroxymethyl)propoxy]-1-hydroxypropyl]phosphonic Acid | Cas No. 1262243-11-7. |  |
| 2-((2-aminophenyl)amino)-5-methylthiophene-3-carbonitrile | 2-((2-aminophenyl)amino)-5-methylthiophene-3-carbonitrile is an impurity of Olanzapine, an antipsychotic medication indicated for the treatment of schizophrenia, bipolar disorder, etc. Synonyms: 2-(1,2-Phenylenediamino)-5-methylthiphene-3-carbonitrile; 2-[(2-Aminophenyl)amino]-5-methyl-3-thiophenecarbonitrile. CAS No. 873895-41-1. Molecular formula: C12H11N3S. Mole weight: 229.3. | |
| 2,2-Bis[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)ethanone | 2,2-Bis[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)ethanone is an intermediate in the preparation of Aprepitant, a novel selective neurokinin-1 (NK-1) receptor antagonist. Uses: Intermediate in the preparation of aprepitant metabolites. Synonyms: Ethanone, 2,2-bis[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)-; 2,2-Bis{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-1-(4-fluorophenyl)ethan-1-one. Grades: ≥95%. CAS No. 419574-40-6. Molecular formula: C28H19F13O3. Mole weight: 650.43. | |
| 2-(2-butyl-4-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)-N,N-dimethylacetamide | An impurity of Fimasartan. Fimasartan is a non-peptide angiotensin II receptor antagonist used for the treatment of hypertension and heart failure. Synonyms: 2-Butyl-1,6-dihydro-N,N,4-trimethyl-6-oxo-5-pyrimidineacetamide; Butyl-1,6-dihydro-N,N,4-trimethyl-6-oxo-5-pyrimidineacetamide; Fimasartan Impurity A. Grades: 97%. CAS No. 1315478-13-7. Molecular formula: C13H21N3O2. Mole weight: 251.32. | |
| 2-(2-Chloroethoxy)ethanol | 2-(2-Chloroethoxy)ethanol is a degradation product of Bis(2-Chloroethyl) Ether. Uses: 2-(2-chloroethoxy)ethanol is a degradation product of bis(2-chloroethyl) ether. 2-(2-chloroethoxy)ethanol is a potential genotoxic impurity (pgi) in active pharmaceutical ingredients (apis). Synonyms: 2-(2-chloroethoxy)ethanol. Grades: > 95 %. CAS No. 628-89-7. Molecular formula: C4H9ClO2. Mole weight: 124.57. | |
| 2-(2-Cyclopropylethynyl)benzoic Acid | 2-(2-Cyclopropylethynyl)benzoic Acid is an intermediate in the synthesis of Digoxigenin Tetradigitoxoside, which is an impurity of Digoxin. Synonyms: 2-(Cyclopropylethynyl)benzoic acid; Benzoic acid, 2-(2-cyclopropylethynyl)-. Grades: ≥95%. CAS No. 1313028-09-9. Molecular formula: C12H10O2. Mole weight: 186.21. | |
| 22-Hydroxy 33-tert-Butyldimethylsilyloxy-FK 506 | 22-Hydroxy 33-tert-Butyldimethylsilyloxy-FK 506 is an intermediate in the synthesis of Tacrolimus, an immunosuppressant that inhibits the activity of FK-506-binding protein. Synonyms: [3S-[3R*[E(1S*, 3S*, 4S*)], 4S*, 5R*, 7R*, 8S*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*, 19S*, 26aR*]]-3-[2-[4-[[(1, 1-Dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1-methylethenyl]-4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a-octadecahydro-5, 7, 19-trihydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-8-(2-propenyl)-15, 19-epoxy-3H-pyrido[2, 1-c][1, 4]oxaazacyclotricosine-1, 20, 21(23H)-trione; 22-Hydroxy 33-tert-Butyldimethylsilyloxy-Tacrolimus; 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,20,21(23H)-trione, 3-[2-[4-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1-methylethenyl]-4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a-octadecahydro-5, 7, 19-trihydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-8-(2-propenyl)-, [3S-[3R*[E(1S*, 3S*, 4S*)], 4S*, 5R*, 7R*, 8S*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*, 19S*, 26aR*]]-. CAS No. 134556-80-2. Molecular formula: C50H85NO12Si. Mole weight: 920.29. | |
| 22-O-Trimethylsilyl 17-Dehydroxy Prednisolone | 22-O-Trimethylsilyl 17-Dehydroxy Prednisolone is an intermediate in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C24H36O4Si. Mole weight: 416.62. | |
| 2-(2-Oxo-1(2H)-quinazolinyl)benzaldehyde | 2-(2-Oxo-1(2H)-quinazolinyl)benzaldehyde is an ozonated product of Carbamazepine, which is an anticonvulsant medication used primarily in the treatment of epilepsy and neuropathic pain. Synonyms: 2-(2-Oxoquinazolin-1(2H)-yl)benzaldehyde; 1-(2-Benzaldehyde)-4-hydro-(1H,3H)-quinazoline-2-one; 1-(2-Formylphenyl)quinazoline-2(1H)-one; Benzaldehyde, 2-(2-oxo-1(2H)-quinazolinyl)-. CAS No. 1401112-00-2. Molecular formula: C15H10N2O2. Mole weight: 250.25. | |
| 2,2'-(piperazine-1,4-diyl)bis(N-methyl-N-(4-nitrophenyl)acetamide) | 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 G. Grades: ≥95%. CAS No. 2410649-54-4. Molecular formula: C22H26N6O6. Mole weight: 470.48. | |
| 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic Acid Benzyl Ester | 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic Acid Benzyl Ester is one of Donepezil impurities. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Molecular formula: C31H35NO5. Mole weight: 501.61. | |
| 2,3,4,5-Tetrafluoro-α-[(2-formyl-2-methylhydrazinyl)methylene]-β-oxobenzenepropanoic Acid Ethyl Ester | 2,3,4,5-Tetrafluoro-α-[(2-formyl-2-methylhydrazinyl)methylene]-β-oxobenzenepropanoic Acid Ethyl Ester is an intermediate of Marbofloxacin. Marbofloxacin is a carboxylic acid derivative third generation fluoroquinolone antibiotic. Synonyms: Benzenepropanoic acid, 2,3,4,5-tetrafluoro-α-[(2-formyl-2-methylhydrazinyl)methylene]-β-oxo-, ethyl ester; Benzenepropanoic acid, 2,3,4,5-tetrafluoro-α-[(2-formyl-2-methylhydrazino)methylene]-β-oxo-, ethyl ester; Ethyl 2,3,4,5-tetrafluoro-α-[(2-formyl-2-methylhydrazinyl)methylene]-β-oxobenzenepropanoate. Grades: >98%. CAS No. 100276-64-0. Molecular formula: C14H12F4N2O4. Mole weight: 348.25. | |
| 2,3,4,5-Tetrahydro-1,5-methano-1H-3-benzazepine-7,8-diamine | 2,3,4,5-Tetrahydro-1,5-methano-1H-3-benzazepine-7,8-diamine is one of Varenicline impurities. Varenicline is a nicotinic receptor partial agonist. It's a prescription drug used to treat cigarette addiction. Synonyms: 1,2,3,4-tetrahydro-1,5-Methano-1H-3-benzazepine-7,8-diamine; 2,3,4,5-Tetrahydro-1,5-methano-1H-3-benzazepine-7,8-diamine. Grades: > 98%. CAS No. 808120-35-6. Molecular formula: C11H15N3. Mole weight: 189.26. | |
| 2,3,4,5-Tetrahydro-3-(trifluoroacetyl)-1,5-methano-1H-3-benzazepine-7,8-diamine | 2,3,4,5-Tetrahydro-3-(trifluoroacetyl)-1,5-methano-1H-3-benzazepine-7,8-diamine is one of Varenicline intermediates. Varenicline is a nicotinic receptor partial agonist. It's a prescription drug used to treat cigarette addiction. Uses: Varenicline intermediate. Synonyms: 1-(7,8-Diamino-1,2,4,5-tetrahydro-1,5-methano-3H-3-benzazepin-3-yl)-2,2,2-trifluoro-ethanone; 1,5-Methano-1H-3-benzazepine-7,8-diamine,2,3,4,5-tetrahydro-3-(trifluoroacetyl)-(9CI); Varenicline Impurity 15. Grades: ≥95%. CAS No. 230615-69-7. Molecular formula: C13H14F3N3O. Mole weight: 285.26. | |
| 2-(3,4-Dihydro-2,4-dioxo-1(2H)-quinazolinyl)benzaldehyde | 2-(3,4-Dihydro-2,4-dioxo-1(2H)-quinazolinyl)benzaldehyde is a product from the photocatalytic oxidation of Carbamazepine, which is an anticonvulsant medication used primarily in the treatment of epilepsy and neuropathic pain. Synonyms: Benzaldehyde, 2-(3,4-dihydro-2,4-dioxo-1(2H)-quinazolinyl)-; 2-(2,4-Dioxo-3,4-dihydro-1(2H)-quinazolinyl)benzaldehyde. CAS No. 869377-50-4. Molecular formula: C15H10N2O3. Mole weight: 266.25. | |
| 2-[[3,4-Dihydro-3-methyl-2,4-dioxo-6-[(3R)-3-piperidinylamino]-1(2H)-pyrimidinyl]methyl]benzonitrile | An impurity of alogliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor in the class of oral antidiabetic drugs. Synonyms: Benzonitrile, 2-[[3,4-dihydro-3-methyl-2,4-dioxo-6-[(3R)-3-piperidinylamino]-1(2H)-pyrimidinyl]methyl]-. CAS No. 2089611-85-6. Molecular formula: C18H21N5O2. Mole weight: 339.39. | |
| 2-(((3,4-dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d]imidazol-5-ol | An impurity of Pantoprazole which is a proton pump inhibitor used to treat erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excess stomach acid such as Zollinger-Ellison syndrome. Synonyms: Pantoprazole Impurity 22. Grades: >95%. CAS No. 1166386-02-2. Molecular formula: C15H15N3O3S. Mole weight: 317.36. | |
| 2,3,4-Trihydroxybenzyl Alcohol | Synonyms: 1,2,3-Benzenetriol, 4-(hydroxymethyl)-; 4-(Hydroxymethyl)-1,2,3-benzenetriol. Grades: ≥95%. CAS No. 437988-46-0. Molecular formula: C7H8O4. Mole weight: 156.14. | |
| 2,3,4-Tri-O-trimethylsilylepilincomycin | 2,3,4-Tri-O-trimethylsilyllincomycin is an intermediate in the synthesis of Lincomycin, which is a lincosamide antibiotic from the actinomycete Streptomyces lincolnensis. Synonyms: Methyl 6,8-Dideoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-2,3,4-tris-O-(trimethylsilyl)-L-threo-α-D-galacto-octopyranoside; Methyl (5R)-5-[(1R,2R)-2-hydroxy-1-{[(4R)-1-methyl-4-propyl-L-prolyl]amino}propyl]-1-thio-2,3,4-tris-O-(trimethylsilyl)-β-L-arabinopyranoside; D-erythro-α-D-galacto-Octopyranoside, methyl 6,8-dideoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-2,3,4-tris-O-(trimethylsilyl)-. Grades: ≥95%. CAS No. 25420-97-7. Molecular formula: C27H58N2O6SSi3. Mole weight: 623.08. | |
| 2,3,4-Tris-O-(trimethylsilyl) Clindamycin | 2,3,4-Tris-O-(trimethylsilyl) Clindamycin is a protected derivative in the preparation of Clindamycin, which is a semi-synthetic antibiotic with high bioavailability prepared from Lincomycin. Synonyms: 7(S)-Chloro-7-deoxylincomycin Tris(trimethylsilyl)ether; Methyl (2S-cis)-7-Chloro-6,7,8-trideoxy-6-[[(1-methyl-4-propyl-2-pyrrolidinyl)carbonyl]amino]-1-thio-2,3,4-tris-O-(trimethylsilyl)-L-threo-α-D-galacto-octopyranoside. Molecular formula: C27H57ClN2O5SSi3. Mole weight: 641.52. | |
| 2-{3-[5-(2-Hydroxypropan-2-yl)-1H-1,3-benzodiazol-1-yl]phenyl}benzamide | A GABAA receptor modulator that effects against anxiety. Synonyms: 3'-(5-(2-Hydroxypropan-2-yl)-1H-benzo[d]imidazol-1-yl)-[1,1'-biphenyl]-2-carboxamide; GABAA Modulator I; SCHEMBL1761811; MFCD30186081; AKOS027439948; ZINC117027649. CAS No. 951654-29-8. Molecular formula: C23H21N3O2. Mole weight: 371.44. | |
| 2-(3,5-dicyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | 2-(3,5-dicyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid is an impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. CAS No. 2428631-65-4. Molecular formula: C17H15N3O3S. Mole weight: 341.39. | |
| 2,3,5-Trimethylphenol | 2,3,5-Trimethylphenol is used in the preparation of vitamin E synthesis. Uses: 2,3,5-trimethylphenol is a reagent used in the synthesis of antibiotics. also used in the preparation of vitamin e synthesis. Synonyms: 6-Hydroxypseudocumene; Isopseudocumenol; NSC 5296; 1-Hydroxy-2,3,5-trimethylbenzene; Phenol, 2,3,5-trimethyl-; 3,5,6-Trimethylphenol. Grades: 95%. CAS No. 697-82-5. Molecular formula: C9H12O. Mole weight: 136.19. | |
| 2,3,5-tri-O-acetylribofuranose | 2,3,5-tri-O-acetylribofuranose is an impurity of 5-Azacytidine, an antiproliferative/cytotoxic agent for leukemia therapy. Synonyms: (2R,3R,4R)-2-(acetoxymethyl)-5-hydroxytetrahydrofuran-3,4-diyl diacetate; 2,3,5-Tri-O-acetyl-β-D-ribofuranose. CAS No. 65024-85-3. Molecular formula: C11H16O8. Mole weight: 276.24. | |
| 2,3-Bis(acetyloxy)-butanedioic Acid Mono[(10R)-5-(aminocarbonyl)-10,11-dihydro-5H-dibenz[b,f]azepin-10-yl] Ester | 2,3-Bis(acetyloxy)-butanedioic Acid Mono[(10R)-5-(aminocarbonyl)-10,11-dihydro-5H-dibenz[b,f]azepin-10-yl] Ester is an intermediate of Carbamazepine, which is a sodium channel blocker used primarily in the treatment of epilepsy and neuropathic pain. Synonyms: 2,3-Diacetoxy-4-{[(10R)-5-carbamoyl-10,11-dihydro-5H-dibenzo[b,f]azepin-10-yl]oxy}-4-oxobutanoic acid; 2,3-diacetyloxy-4-[[(5R)-11-carbamoyl-5,6-dihydrobenzo[b][1]benzazepin-5-yl]oxy]-4-oxobutanoic acid; Butanedioic acid, 2,3-bis(acetyloxy)-, mono[(10R)-5-(aminocarbonyl)-10,11-dihydro-5H-dibenz[b,f]azepin-10-yl] ester. Molecular formula: C23H22N2O9. Mole weight: 470.43. | |
| 2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: 3-Descyano 3-Bromo-febuxostat; Bromo febuxostat impurity; Febuxostat Impurity D. CAS No. 144060-40-2. Molecular formula: C15H16BrNO3S. Mole weight: 370.26. | |
| 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid 1-oxide | 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid 1-oxide is an impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. CAS No. 2418591-42-9. Molecular formula: C16H16N2O4S. Mole weight: 332.37. | |
| 2-(3-cyano-4-isobutoxyphenyl)-N,N,4-trimethylthiazole-5-carboxamide | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: Febuxostat Impurity 66. Grades: 99%. CAS No. 1380049-45-5. Molecular formula: C18H21N3O2S. Mole weight: 343.44. | |
| 2-(3-cyano-4-propoxyphenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: O-Desisobutyl-O-n-propyl Febuxostat; Febuxostat N-Propyl Ether Acid Impurity; Febuxostat Impurity U. CAS No. 1530308-87-2. Molecular formula: C15H14N2O3S. Mole weight: 302.35. | |
| 2,3-Dehydro-3,4-dihydro Ivermectin | 2,3-Dehydro-3,4-dihydro Ivermectin is an impurity of Ivermectin, an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. Synonyms: Ivermectin EP Impurity I; (4S)-2,3-Didehydro-5-O-demethyl-3,4,22,23-tetrahydroavermectin A1a. Grades: ≥95%. CAS No. 1135339-49-9. Molecular formula: C48H74O14. Mole weight: 875.1. | |
| 2,3-Dihydro-2-hydroxy-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one | 2,3-Dihydro-2-hydroxy-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one is one of Donepezil analogues. Donepezil, a highly specific reversible acetylcholinesterase (AChE) inhibitor, is used to treat moderate to severe Alzheimer's disease. Synonyms: 1-benzyl-4-[(5,6-dimethoxy-2-hydroxy-1-indanon)-2-yl]methylpiperidine; 2-[(1-benzylpiperidin-4-yl)methyl]-2-hydroxy-5,6-dimethoxy-3H-inden-1-one; 2-Hydroxy-2-[(1-benzyl-4-piperidinyl)methyl]-5,6-dimethoxyindan-1-one; 1H-Inden-1-one, 2,3-dihydro-2-hydroxy-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-. Grades: ≥95%. CAS No. 329010-67-5. Molecular formula: C24H29NO4. Mole weight: 395.49. | |
| 2,3-Dihydroxy Desloratadine | 2,3-Dihydroxy Desloratadine is a derivative of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergies. Synonyms: 8-Chloro-3-hydroxy-11-(piperidin-4-ylidene)-5,6-dihydro-1H-benzo[5,6]cyclohepta[1,2-b]pyridin-2(11H)-one. Molecular formula: C19H19ClN2O2. Mole weight: 342.82. | |
| 2,3-Dihydroxy Desloratadine 3-Glucuronide | 2,3-Dihydroxy Desloratadine 3-Glucuronide is one of loratadine metabolites. Loratadine is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Synonyms: Dihydroxy Desloratadine 3-β-D-Glucuronide. Molecular formula: C25H27ClN2O8. Mole weight: 518.95. | |
| 2',3'-Dimethylacetophenone | . Uses: 2,3-dimethylacetophenone is used in the preparation of molecules with in vitro anti-mycobacterial activities. Synonyms: 1-(2,3-Dimethylphenyl)ethan-1-one; Ethanone, 1-(2,3-dimethylphenyl)-. Grades: >95%. CAS No. 2142-71-4. Molecular formula: C10H12O. Mole weight: 148.20. | |
| 2,3-Dimethylbenzoic acid | 2,3-Dimethylbenzoic Acid is used as a reagent in the synthesis of pyridyl benzamides as inhibitors for the kinetoplastid Trypanosoma brucei. 2,3-Dimethylbenzoic Acid is also used as a reagent in the synthesis of 2,3-Dihydro-1H-isoindole-4-carboxylic Acid. Synonyms: Hemellitic Acid; NSC 407533; Benzoic Acid, 2,3-Dimethyl-. Grades: >95%. CAS No. 603-79-2. Molecular formula: C9H10O2. Mole weight: 150.17. | |
| 2,3-Dimethylbenzonitrile | . Uses: 2,3-dimethylbenzonitrile (cas# 5724-56-1) is a useful research chemical. Synonyms: Benzonitrile, 2,3-dimethyl-. Grades: >95%. CAS No. 5724-56-1. Molecular formula: C9H9N. Mole weight: 131.17. | |
| (2,3-Dimethylphenyl)(4-imidazolyl)methanone | Synonyms: (2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone; 4-(2',3'-Dimethylbenzoyl)imidazole; Methanone, (2,3-dimethylphenyl)-1H-imidazol-4-yl-. Grades: >95%. CAS No. 91874-85-0. Molecular formula: C12H12N2O. Mole weight: 200.24. | |
| 2-(3-formyl-4-isobutoxyphenyl)-N,N,4-trimethylthiazole-5-carboxamide | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: Febuxostat Impurity 105; Febuxostat Impurity 65. CAS No. 1380049-42-2. Molecular formula: C18H22N2O3S. Mole weight: 346.44. | |
| 23-Hydroxy-33-O-tert-butyldimethylsilyloxy-27-O-trimethylsilyl-iso-FK-506 | 23-Hydroxy-33-O-tert-butyldimethylsilyloxy-27-O-trimethylsilyl-iso-FK-506 is an analog of Tacrolimus, an immunosuppressant that inhibits the activity of FK-506-binding protein. Synonyms: 23-Hydroxy-33-O-tert-butyldimethylsilyloxy-27-O-trimethylsilyl-iso-Tacrolimus; [3S-[3R*[1R*, 2R*, 4(1S*, 3S*, 4S*)], 5R*, 6S*, 10R*, 12R*, 13R*, 14R*, 16S*, 17S*, 24aR*]]-3-[4-[4-[[(1, 1-Dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1, 3-dimethyl-2-[(trimethylsilyl)oxy]-3-butenyl]-4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 16, 17, 22, 23, 24, 24a-hexadecahydro-5, 17-dihydroxy-12, 14-dimethoxy-8, 10, 16-trimethyl-6-(2-propenyl)-13, 17-epoxy-3H-pyrido[2, 1-c][1, 4]oxaazacycloheneicosine-1, 18, 19(21H)-trione; 13,17-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacycloheneicosine-1,18,19(21H)-trione, 3-[4-[4-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1, 3-dimethyl-2-[(trimethylsilyl)oxy]-3-butenyl]-4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 16, 17, 22, 23, 24, 24a-hexadecahydro-5, 17-dihydroxy-12, 14-dimethoxy-8, 10, 16-trimethyl-6-(2-propenyl)-, [3S-[3R*[1R*, 2R*, 4(1S*, 3S*, 4S*)], 5R*, 6S*, 10R*, 12R*, 13R*, 14R*, 16S*, 17S*, 24aR*]]-. Grades: ≥90%. CAS No. 134556-85-7. Molecular formula: C53H93NO12Si2. Mole weight: 992.48. | |
| 2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol Hydrochloride | 2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol 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: Duloxetine EP Impurity E; 2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthol hydrochloride (1:1); 1-Naphthalenol, 2-[3-(methylamino)-1-(2-thienyl)propyl]-, hydrochloride (1:1). Grades: ≥95%. CAS No. 1033719-36-6. Molecular formula: C18H20ClNOS. Mole weight: 333.87. | |
| 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Ester | 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Ester is an intermediate in the synthesis of Lercanidipine, which is a dihydropyridine calcium channel blocker. Synonyms: 1-((3,3-diphenylpropyl)(methyl)amino)-2-methylpropan-2-yl 2-(3-nitrobenzylidene)-3-oxobutanoate; Butanoic acid, 2-[(3-nitrophenyl)methylene]-3-oxo-, 2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl ester; 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl 2-[(3-nitrophenyl)methylene]-3-oxobutanoate. CAS No. 210579-45-6. Molecular formula: C31H34N2O5. Mole weight: 514.61. | |
| 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Ester Hydrochloride | 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Ester Hydrochloride is an impurity of Lercanidipine, which is a dihydropyridine calcium channel blocker. Synonyms: 1-((3,3-Diphenylpropyl)(methyl)amino)-2-methylpropan-2-yl 2-(3-Nitrobenzylidene)-3-oxobutanoate Hydrochloride; Butanoic acid, 2-[(3-nitrophenyl)methylene]-3-oxo-, 2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl ester, hydrochloride (1:1). CAS No. 929212-20-4. Molecular formula: C31H34N2O5.HCl. Mole weight: 551.07. | |
| 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid Propyl Ester | 2-[(3-Nitrophenyl)methylene]-3-oxo-butanoic Acid Propyl Ester is an intermediate in the synthesis of Lercanidipine, which is a dihydropyridine calcium channel blocker. Synonyms: Propyl (3-Nitrobenzylidene)acetoacetate; Propyl 2-(3-Nitrobenzylidene)-3-oxobutanoate; Butanoic Acid, 2-[(3-Nitrophenyl)Methylene]-3-Oxo-, Propyl Ester. CAS No. 77888-04-1. Molecular formula: C14H15NO5. Mole weight: 277.27. | |
| 2,3-Pentanedione 3-[(2,4-Dinitrophenyl)hydrazone] | 2,3-Pentanedione 3-[(2,4-Dinitrophenyl)hydrazone] is mainly used as a solvent in paint and as a precursor of vitamin E. Synonyms: 3-[(2,4-Dinitrophenyl)hydrazono]-2-pentanone; 2,3-Pentanedione 3-[2-(2,4-dinitrophenyl)hydrazone]. CAS No. 51559-14-9. Molecular formula: C11H12N4O5. Mole weight: 280.24. | |
| 2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol | 2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol is an intermediate in the synthesis of Montelukast, which is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: (R)-α-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)benzenepropanol; (1R)-1-{3-[(E)-2-(7-Chloro-2-quinoleinyl)vinyl]phenyl}-3-[2-(2-hydroxy-2-propanyl)phenyl]-1-propanol; Benzenepropanol, α-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)-, (αR)-; (R,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-ol. Grades: ≥95%. CAS No. 150026-75-8. Molecular formula: C29H28ClNO2. Mole weight: 457.99. | |
| 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1'-hydroxy-2'-methoxymethyl)propanol (Mixture of Diastereomers) | 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1'-hydroxy-2'-methoxymethyl)propanol (Mixture of Diastereomers) is an intermediate in the synthesis of Montelukast, which is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Uses: Intermediate in the production of montelukast metabolites. Synonyms: (1S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxy-1-(methoxymethoxy)propan-2-yl)phenyl)propan-1-ol; Benzenepropanol, α-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-[1-hydroxy-2-(methoxymethoxy)-1-methylethyl]-, (αS)-. CAS No. 184764-20-3. Molecular formula: C31H32ClNO4. Mole weight: 518.04. | |
| 2-[(3S)-3-(Acetyloxy)-1-bromo-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-benzoic Acid Methyl Ester | 2-[(3S)-3-(Acetyloxy)-1-bromo-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-benzoic Acid Methyl Ester is an intermediate of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: An intermediate in the synthesis of montelukast. Synonyms: methyl 2-((3S)-3-acetoxy-1-bromo-3-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate; [3S(E)]-2-[3-(Acetyloxy)-1-bromo-3-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-benzoic Acid Methyl Ester; Benzoic acid, 2-[(3S)-3-(acetyloxy)-1-bromo-3-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-, methyl ester. CAS No. 184763-69-7. Molecular formula: C30H25BrClNO4. Mole weight: 578.88. | |
| 24,32-Bis-O-(tert-butyldimethylsilyl)-FK-506 | 24,32-Bis-O-(tert-butyldimethylsilyl)-FK-506 is protected form of Tacrolimus, which is a macrolide drug that is widely used as a potent immunosuppressant. Uses: Protected form of fk-506 (tacrolimus). Synonyms: 24,33-Bis-O-(tert-butyldimethylsilyl) Tacrolimus; Tacrolimus Impurity 16; 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 5-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-[(E)-2-[(1R, 3R, 4R)-4-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1-methylethenyl]-5, 6, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a-hexadecahydro-19-hydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-8-(2-propen-1-yl)-, (3S, 4S, 5S, 8R, 9E, 12S, 14S, 15R, 16S, 18R, 19R, 26aS)-. Grades: 95%. CAS No. 133941-75-0. Molecular formula: C56H97NO12Si2. Mole weight: 1032.54. | |
| 24,33-Bis-O-(tert-butyldimethylsilyl)-37,38-dehydro-37,38-dihydroxy-FK-506 (mixture of diastereomers) | 24,33-Bis-O-(tert-butyldimethylsilyl)-37,38-dehydro-37,38-dihydroxy-FK-506 (mixture of diastereomers) is an intermediate of Tacrolimus, which is a macrolide drug that is widely used as a potent immunosuppressant. Synonyms: 24,33-Bis-O-(tert-butyldimethylsilyl)-37,38-dehydro-37,38-dihydroxy Tacrolimus; 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 8-(2, 3-dihydroxypropyl)-5-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-[(E)-2-[(1R, 3R, 4R)-4-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1-methylethenyl]-5, 6, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a-hexadecahydro-19-hydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-, (3S, 4S, 5S, 8R, 9E, 12S, 14S, 15R, 16S, 18R, 19R, 26aS)-; Tacrolimus Impurity 17. Grades: ≥90%. CAS No. 1356932-17-6. Molecular formula: C56H99NO14Si2. Mole weight: 1066.55. | |
| 2-[[4-[[3-Chloro-4-(2-pyridinylmethoxy)phenyl]amino]-3-cyano-7-ethoxy-6-quinolinyl]amino]-2-oxoacetic acid | An impurity of Neratinib, which is an irreversible inhibitor of the HER-2 receptor tyrosine kinase with potential antineoplastic activity. Synonyms: Neratinib Impurity AJCS. Grades: ≥95%. CAS No. 1144516-13-1. Molecular formula: C26H20ClN5O5. Mole weight: 517.92. | |
| 2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide | a thyroid hormone analogue, a Thyroxine impurity. Synonyms: 3,5,3',5'-Tetraiodo Thyroacetamide; 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzeneacetamide. Grades: > 95%. CAS No. 176258-88-1. Molecular formula: C14H9I4NO3. Mole weight: 746.85. | |
| 2,4,6-Tri(4-pyridyl)-1,3,5-triazine | Synonyms: 1,3,5-Tris(4-pyridyl)-2,4,6-triazine; 2,4,6-tri(pyridin-4-yl)-1,3,5-triazine. CAS No. 42333-78-8. Molecular formula: C18H12N6. Mole weight: 312.33. | |
| 2,4,6-trichloro-N-phenylaniline | A Diclofenac impurity which is a non-selective COX inhibitor with IC50 of 60 and 220 nM for ovine COX-1 and -2, respectively. Synonyms: 2,4,6-Trichlorodiphenylamine; Diphenylamine, 2,4,6-trichloro; Diclofenac Impurity 10. CAS No. 15362-44-4. Molecular formula: C12H8Cl3N. Mole weight: 272.56. | |
| 2-(4-bromo-2-methylbenzyl)-5-(4-fluorophenyl)thiophene | 2-(4-bromo-2-methylbenzyl)-5-(4-fluorophenyl)thiophene is an impurity of Canagliflozin which is a sodium/glucose cotransporter 2 (SGLT2) inhibitor and is used in the treatment of type 2 diabetes and obesity. Synonyms: Canagliflozin Impurity 27; Thiophene, 2-[(4-bromo-2-methylphenyl)methyl]-5-(4-fluorophenyl)-. CAS No. 2265214-89-7. Molecular formula: C18H14BrFS. Mole weight: 361.27. | |
| 2,4-Diamino-6-(hydroxymethyl)pteridine Hydrochloride | 2,4-Diamino-6-(hydroxymethyl)pteridine Hydrochloride is one of methotrexate intermediates. Methotrexate is a Folic Acid antagonist, used as a antineoplastic and antirheumatic. Uses: Methotrexate intermediate. Synonyms: 2,4-Diaminopyrimido[4,5-b]pyrazine-6-methanol Monohydrochloride; 4-Diamino-6-pteridinemethanol Hydrochloride. Grades: 95%. CAS No. 73978-41-3. Molecular formula: C7H9ClN6O. Mole weight: 228.64. | |
| 2,4-Dichlorobenzoic acid | Furosemide Impurity E is a di-halogenated benzoic acid derivative and an intermediate in the synthesis of spirodiclofen. It was used in solid-phase extraction and gas chromatographic determination of polar acidic herbicides in surface water. Uses: 1-amino-3-methylcyclohexane-1-carboxylic acid (cas# 55550-84-0) is a useful research chemical. Synonyms: 2,4-dichlorobenzoic acid. Grades: > 95 %. CAS No. 50-84-0. Molecular formula: C7H4Cl2O2. Mole weight: 191.01. | |
| 2,4-Dihydroxyphenethylamine | 2,4-Dihydroxyphenethylamine is used in the study of norepinephrine uptake in cardiac tissue. Synonyms: 4-(2-Aminoethyl)resorcinol; 4-(2-Aminoethyl)-1,3-benzenediol; 1,3-Benzenediol, 4-(2-aminoethyl)-; 2-Hydroxytyramine; 2,4-dihydroxyphenylethylamine. Grades: ≥95%. CAS No. 2039-62-5. Molecular formula: C8H11NO2. Mole weight: 153.18. | |
| 2,4-Diiodopyridine | 2,4-Diiodopyridine is one of Nicotine related metabolites, which is a potent parasympathomimetic stimulant. Synonyms: 2,4-Diiodo-pyridine; Pyridine, 2,4-diiodo-. Grades: ≥95%. CAS No. 83674-71-9. Molecular formula: C5H3I2N. Mole weight: 330.89. | |
| 2-(4-Dimethylvinylphenyl)propionic acid | 2-(4-Dimethylvinylphenyl)propionic acid is an impurity of Ibuprofen, a nonsteroidal anti-inflammatory drug. Synonyms: 2-[4-(2-Methyl-propenyl)phenyl]propionic Acid; 2-(4-dimethylvinylphenyl)propionic acid; GX-258; α-Methyl-4-(2-methyl-1-propenyl)benzeneacetic acid. Grades: > 95%. CAS No. 75625-99-9. Molecular formula: C13H16O2. Mole weight: 204.27. | |
| 2,4-Di-tert-butyl-6-nitrophenyl Methyl Carbonate + 2,4-Di-tert-butyl-5-nitrophenyl Methyl Carbonate (Mixture of Regioisomers) | 2,4-Di-tert-butyl-6-nitrophenyl Methyl Carbonate + 2,4-Di-tert-butyl-5-nitrophenyl Methyl Carbonate (Mixture of Regioisomers) is an intermediate of Ivacaftor, a drug used in the treatment of cystic fibrosis. Molecular formula: C16H23NO5. Mole weight: 309.36. | |
| 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid | 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid is an impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: 2-(4-hydroxyphenyl)-4-methyl-5-thiazolecarboxylic acid; 2-(4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid. CAS No. 886501-78-6. Molecular formula: C11H9NO3S. Mole weight: 235.26. | |
| 2-(4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: 3-Descyano Febuxostat; Febuxostat Impurity IV; Febuxostat Descyano Impurity; Febuxostat Impurity E; 5-Thiazolecarboxylic acid, 4-methyl-2-[4-(2-methylpropoxy)phenyl]-. CAS No. 1206550-99-3. Molecular formula: C15H17NO3S. Mole weight: 291.37. | |
| 2-(4-methylpiperazin-1-yl)-N-(4-nitrophenyl)acetamide | 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: 4-Methyl-N-(4-nitrophenyl)-1-piperazineacetamide; Nintedanib Impurity F. Grades: ≥95%. CAS No. 708279-23-6. Molecular formula: C13H18N4O3. Mole weight: 278.31. | |
| 2-(4-Propylphenyl)propanoic acid | 2-(4-Propylphenyl)propanoic acid is an impurity of Ibuprofen, a nonsteroidal anti-inflammatory drug. Synonyms: α-Methyl-4-propylphenylacetic Acid; p-Propylhydratropic Acid. Grades: > 95%. CAS No. 3585-47-5. Molecular formula: C12H16O2. Mole weight: 192.26. | |
| 2-((4R,6S)-6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid | An impurity of Rosuvastatin. Rosuvastatin is an antilipemic agent that competitively inhibits hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Synonyms: D-erythro-Hexonic acid, 2,4-dideoxy-3,5-O-(1-methylethylidene)-, acetate (9CI); Rosuvastatin Impurity 41. Grades: 99%. CAS No. 402508-35-4. Molecular formula: C11H18O6. Mole weight: 246.26. | |
| 2-((4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid | 2-((4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid is the impuritiy of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. CAS No. 2165770-84-1. Molecular formula: C10H19NO4. Mole weight: 217.27. | |
| 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: Febuxostat sec-butoxy acid; Febuxostat 2-Butyl Isomer; Febuxostat Impurity J; 5-Thiazolecarboxylic acid, 2-[3-cyano-4-(1-methylpropoxy)phenyl]-4-methyl-. CAS No. 1335202-59-9. Molecular formula: C16H16N2O3S. Mole weight: 316.37. | |
| 2-(4-(tert-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: Febuxostat Impurity 70; 5-Thiazolecarboxylic acid, 2-[3-cyano-4-(1,1-dimethylethoxy)phenyl]-4-methyl-. CAS No. 2418591-43-0. Molecular formula: C16H16N2O3S. Mole weight: 316.37. | |
| 2,5-Bis(2,2,2-trifluoroethoxy)benzoic Acid | An impurity of Flecainide. Flecainide is a class 2C antiarrhythmic drug especially used for the management of supraventricular arrhythmia. Uses: Flecainide acetate impurity d. Synonyms: 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid; 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid. Grades: > 95 %. CAS No. 35480-52-5. Molecular formula: C11H8F6O4. Mole weight: 318.17. | |
| 2,5-Bis-(3,4-dihydroxyphenyl)piperazine | An impurity of Epinephrine. Epinephrine is an endogenous catcholamine with combined α-and β-agonist activity and its principal sympathomimetic hormone is produced by the adrenal medulla. Molecular formula: C16H18N2O4. Mole weight: 302.32. | |
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