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| Product | Description | |
|---|---|---|
| 2-Chloro-2,2-(diethylamino)ethyl ester hydrochloride | Synonyms: 2-Chloro-2, 2-(diethylamino)ethyl ester hydrochloride; Benzeneacetic acid, a-chloro-a-phenyl-, 2-(diethylamino)ethy. CAS No. 902-83-0. Molecular formula: C20H24ClNO2.HCl. Mole weight: 382.325. |  |
| 2-Chloroacetophenone | Synonyms: 1-(2-Chlorophenyl)ethanone; 1-(2-Chlorophenyl)ethanone; 2-Acetylphenyl Chloride; 2-Chloro-1-acetylbenzene; 2-Chlorophenyl Methyl Ketone. Grades: > 95%. CAS No. 2142-68-9. Molecular formula: C8H7ClO. Mole weight: 154.6. | |
| 2-Chlorobenzylamine | An impurity of Ticlopidine which is believed to inhibit the binding of adenosine 5'-diphosphate (ADP) to its platelet receptor. Synonyms: (2-chlorophenyl)methanamine. Grades: > 95 %. CAS No. 89-97-4. Molecular formula: C7H8ClN. Mole weight: 141.60. | |
| 2-Chloro Loratadine | 2-Chloro Loratadine is one of loratadine impurities. Loratadine is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Synonyms: 4-(2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester; Ethyl 4-(2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate; ethyl 4-(2,8-dichloro-5,6-dihydrobenzo[1,2]cyclohepta[2,4-c]pyridin-11-ylidene)piperidine-1-carboxylate. Grades: 95%. CAS No. 165739-64-0. Molecular formula: C22H22Cl2N2O2. Mole weight: 417.33. | |
| 2-Chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine | An impurity of Lansoprazole. Synonyms: 2-CHLOROMETHYL-3-METHYL-4-(2,2,2-TRIFLUOROETHOXY)PYRIDINE. Grades: > 95%. CAS No. 128430-66-0. Molecular formula: C9H9ClF3NO. Mole weight: 239.63. | |
| 2-(chloromethyl)-5-(trifluoromethyl)-1,3,4-oxadiazole | 2-(chloromethyl)-5-(trifluoromethyl)-1,3,4-oxadiazole is an impurity of Sitagliptin. Sitagliptin is an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: 2-Chloromethyl-5-trifluoromethyl-1,3,4-oxadiazole. Grades: 98.0 %. CAS No. 723286-98-4. Molecular formula: C4H2ClF3N2O. Mole weight: 186.52. | |
| 2-Chlorophenothiazine | A Metabolite of Prochlorperazine.Prochlorperazine is a dopamine (D2) receptor antagonist that belongs to the phenothiazine class of antipsychotic agents that are used for the antiemetic treatment of nausea and vertigo. Synonyms: 2-chloro-10H-phenothiazine. Grades: > 95 %. CAS No. 92-39-7. Molecular formula: C12H8ClNS. Mole weight: 233.72. | |
| 2-Chloropyrimidin-4(3H)-one | Synonyms: 2-Chloro-4(1H)-pyrimidinone; 2-Chloro-4(3H)-pyrimidinone; 2-Chloro-4-hydroxypyrimidine. Grades: > 95%. CAS No. 55873-09-1. Molecular formula: C4H3ClN2O. Mole weight: 130.53. | |
| 2-Cyclopropyl-4-phenyl-3-quinolinecarboxylic Acid Methyl Ester | 2-Cyclopropyl-4-phenyl-3-quinolinecarboxylic Acid Methyl Ester 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: Methyl 2-cyclopropyl-4-phenylquinoline-3-carboxylate; 2-Cyclopropyl-4-phenyl-3-quinolinecarboxylic Acid Methyl Ester; DTXSID00857071; AKOS022175172; SB72967; Methyl2-cyclopropyl-4-phenylquinoline-3-carboxylate. CAS No. 868536-53-2. Molecular formula: C20H17NO2. Mole weight: 303.35. | |
| (2-Cyclopropyl-4-phenylquinolin-3-yl)methanol | (2-Cyclopropyl-4-phenylquinolin-3-yl)methanol 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: (2-CYCLOPROPYL-4-PHENYLQUINOLIN-3-YL)METHANOL; MFCD28384714; SY320331; (2-Cyclopropyl-4-phenyl-3-quinolyl)methanol; F86792. Molecular formula: C19H17NO. Mole weight: 275.34. | |
| 2-Cyclopropyl-4-phenylquinoline-3-carbaldehyde | 2-Cyclopropyl-4-phenylquinoline-3-carbaldehyde 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: 2-Cyclopropyl-4-phenylquinoline-3-carbaldehyde; 2153433-59-9. Grades: 98%. CAS No. 2153433-59-9. Molecular formula: C19H15NO. Mole weight: 273.33. | |
| 2-Debenzoyl-2-tigloyl-7-trichloroethoxycarbonyl-baccatin III | 2-Debenzoyl-2-tigloyl-7-trichloroethoxycarbonyl-baccatin III 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. Synonyms: 7-Troc-2-debenzoyl-2-pentenate Baccatin-III. Molecular formula: C32H41Cl3O13. Mole weight: 740.02. | |
| 2-Debenzoyl-2-tigloyl-baccatin-III | 2-Debenzoyl-2-tigloyl-baccatin-III 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. Synonyms: Debenzoyl-2-pentenoate Baccatin-III. Grades: 93%. Molecular formula: C29H40O11. Mole weight: 564.62. | |
| 2-Debenzoyl Paclitaxel 2-Pentenoate | 2-Debenzoyl Paclitaxel 2-Pentenoate is an impurity of Paclitaxel, which 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: C45H53NO14. Mole weight: 831.90. | |
| 2-Demethoxy-2-chloro Urapidil | An impurity of Urapidil. Urapidil is an α1-adrenoceptor antagonist and an 5-HT1A receptor agonist that is used as an antihypertensive agent. Synonyms: Urapidil Impurity 3; 6-[[3-[4-(2-Chlorophenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione. CAS No. 34661-73-9. Molecular formula: C19H26ClN5O2. Mole weight: 391.9. | |
| 2-Demethoxy-4-methoxy Urapidil | An impurity of Urapidil. Urapidil is an α1-adrenoceptor antagonist and an 5-HT1A receptor agonist that is used as an antihypertensive agent. Synonyms: Urapidil Impurity 2; 6-[[3-[4-(4-Methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione. CAS No. 34661-79-5. Molecular formula: C20H29N5O3. Mole weight: 387.49. | |
| 2-Desisopropyl-2-phenyl Repaglinide (Repaglinide Impurity) | An impurity of Repaglinide. Repaglinide is an antidiabetic drug. Repaglinide is an oral medication used in addition to diet and exercise for blood sugar control in type 2 diabetes mellitus. Synonyms: 2-Ethoxy-4-[2-oxo-2-[[2-phenyl-1-[2- (1-piperidinyl) phenyl]ethyl]amino]ethyl]benzoic Acid. Grades: > 95%. CAS No. 107362-12-9. Molecular formula: C30H34N2O4. Mole weight: 486.62. | |
| 2-Despiperidyl-2-(5-Carboxypentylamine Repaglinide) (M2 Metabolite) | A metabolite of Repaglinide. Repaglinide is an antidiabetic drug. Repaglinide is an oral medication used in addition to diet and exercise for blood sugar control in type 2 diabetes mellitus. Synonyms: 4-[2-[[1-[2-[(4-Carboxybutyl)amino]phenyl]-3-methylbutyl]amino]-2-oxoethyl]-2-ethoxybenzoic Acid; Repaglinide M2 metabolite. Grades: > 95%. CAS No. 874908-12-0. Molecular formula: C27H36N2O6. Mole weight: 484.6. | |
| (2E)-2-(2,3-Dihydro-6-methoxy-1H-inden-1-ylidene)acetonitrile | (2E)-2-(2,3-Dihydro-6-methoxy-1H-inden-1-ylidene)acetonitrile 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). Uses: Intermediate in the production of ramelteon. Synonyms: (E)-(2,3-Dihydro-6-methoxy-1H-inden-1-ylidene)acetonitrile; (E)-(6-methoxyindan-1-ylidene)acetonitrile. Grades: 95%. CAS No. 187871-98-3. Molecular formula: C12H11NO. Mole weight: 185.22. | |
| 2-epi-Ramipril | 2R-isomer of Ramipril.Ramipril is an angiotensin-converting enzyme inhibitor. It can be used for treatment of hypertension and congestive heart failure. Synonyms: (2S, 3aS, 6aS) -1- [ (2R) -2- [ [ (1S) -1- (Ethoxycarbonyl) -3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta [b]pyrrole-2-carboxylic Acid; [2S- [1 [S* (R*) ], 2α , 3aβ , 6aβ ]]-1- [2- [ [1- (Ethoxycarbonyl) -3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta [b]pyrrole-2-carboxylic Acid; (2R)-Ramipril. Grades: > 95%. CAS No. 129939-65-7. Molecular formula: C23H32N2O5. Mole weight: 416.52. | |
| 2'-epi-Taxol | 2'-epi-Taxol 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. Synonyms: [2aR-[2aα, 4β, 4aβ, 6β, 9α(αS*, βS*), 11α, 12α, 12aα, 12bα]]-β-(Benzoylamino)-α-hydroxy-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 Benzenepropanoic Acid; 2'-epi-Paclitaxel; 2'-epi-Taxol A. CAS No. 179798-21-1. Molecular formula: C47H51NO14. Mole weight: 853.90. | |
| 2-Ethoxybenzamidine Hydrochloride | An impurity of Vardenafil. Vardenafil is a PDE5 inhibitor used for the treatment of erectile dysfunction. Synonyms: 2-ethoxybenzenecarboximidamide; hydrochloride; 2-ethoxybenzenecarboximidamide; hydrochloride. CAS No. 18637-00-8. Molecular formula: C9H13ClN2O. Mole weight: 200.67. | |
| 2-Ethoxy-N-Hydroxy Benzamidine | An impurity of Vardenafil commonly used in the synthesis of cyclic pyrimidinones. Synonyms: 2-Ethoxy-N'-hydroxybenzenecarboximidamide. CAS No. 879-57-2. Molecular formula: C9H12N2O2. Mole weight: 180.21. | |
| 2-Ethyl-Candesartan Cilexetil | Candesartan Cilexetil impurity. Synonyms: 2-Ethoxy-1-[[2'-(2-ethyl-2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic Acid 1-[[(Cyclohexyloxy)carbonyl]oxy]ethyl Ester. Grades: > 95%. CAS No. 914613-36-8. Molecular formula: C35H38N6O6. Mole weight: 638.73. | |
| 2'-Hydroxy-3-phenylpropiophenone | A metabolite of Propafenone.Propafenone is an anti-arrhythmic medication.It can be used for the treatment of illnesses associated with rapid heart beats such as atrial and ventricular arrhythmias. Synonyms: 1-(2-hydroxyphenyl)-3-phenylpropan-1-one. Grades: > 95 %. CAS No. 3516-95-8. Molecular formula: C15H14O2. Mole weight: 226.27. | |
| 2-Hydroxy Carbamazepine | 2-Hydroxy Carbamazepine is a metabolite of Carbamazepine which is used in treatment of pain associated with trigeminal neuralgia. Uses: A metabolite of carbamazepine (c175840). Synonyms: 2-Hydroxy-5H-dibenz[b,f]azepine-5-carboxamide. CAS No. 68011-66-5. Molecular formula: C15H12N2O2. Mole weight: 252.27. | |
| 2-Hydroxyethyl Nortadalafil | One analogue of Tadalafil, which is an inhibitor of phosphodiesterase 5 and could be used in the treatmen of erectile dysfunction. Synonyms: (6R,12aR)-rel-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxyethyl)-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione. Grades: > 95%. CAS No. 385769-94-8. Molecular formula: C23H21N3O5. Mole weight: 419.44. | |
| 2-Hydroxymethyl Loratadine | 2-Hydroxymethyl Loratadine is an impurity of Loratadine, which is a histamine H1 receptor antagonist used to treat allergies. Synonyms: Ethyl 4-[8-chloro-5,6-dihydro-2-(hydroxymethyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-1-piperidinecarboxylate; 4-[8-Chloro-5,6-dihydro-2-(hydroxymethyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-1-piperidinecarboxylic Acid Ethyl Ester; 1-Piperidinecarboxylic acid, 4-[8-chloro-5,6-dihydro-2-(hydroxymethyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-, ethyl ester; Loratadine 2-Hydroxymethyl Impurity (USP). Grades: ≥95%. CAS No. 609806-39-5. Molecular formula: C23H25ClN2O3. Mole weight: 412.91. | |
| 2-Hydroxy Probenecid | A metabolite of Probenecid. Probenecid is a medication that increases uric acid excretion in the urine. Probenecid can be used in treating gout and hyperuricemia. Synonyms: p-[N-Propyl-N-(2-hydroxypropyl)sulfamoyl]benzoic Acid; dl-4-[N-(2-Hydroxypropyl)-N-propylsulfamoyl]benzoic Acid; 4-[[ (2-Hydroxypropyl) propylamino]sulfonyl]benzoic Acid. Grades: > 95%. CAS No. 28242-02-6. Molecular formula: C13H19NO5S. Mole weight: 301.36. | |
| 2-Hydroxy Propranolol HCl | A metabolite of Propranolol.Propranolol is Beta 1 adrenergic receptor antagonist. It can be used for the treatment of high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors. Grades: > 95%. CAS No. 76275-62-2. Molecular formula: C16H21NO3. HCl. Mole weight: 295.81. | |
| 2-Hydroxypropylnortadalafil | One of the impurities of Tadalafil, which is an inhibitor of phosphodiesterase 5 and could be used in the treatmen of erectile dysfunction. Synonyms: (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione. Grades: > 95%. CAS No. 1353020-85-5. Molecular formula: C24H23N3O5. Mole weight: 433.47. | |
| 2-Mercapto-5-MethoxybenziMidazole;EsoMeprazole related substance A;H118/87 | Cas No. 1251741-03-03. | |
| 2-Methoxy-5-sulfamoylbenzoic Acid | One metabolite impurity of Sulpiride that is effective in studies of dopamine D2 receptor function as well as antipsychotic studies. Synonyms: 2-methoxy-5-sulfamoylbenzoic acid; 2-methoxy-5-sulfamoylbenzoic acid. Grades: 97 %. CAS No. 22117-85-7. Molecular formula: C8H9NO5S. Mole weight: 231.23. | |
| 2-Methoxy Promazine | A derivative of Promazine.Promazine is a medication that belongs to the phenothiazine class of antipsychotics. An older medication used to treat schizophrenia. Synonyms: 2-Methoxy-N,N-dimethyl-10H-phenothiazine-10-propanamine; 10-[3-(Dimethylamino)propyl]-2-methoxyphenothiazine; 2-Methoxy-10-(3'- dimethylaminopropyl)phenothiazine; 4632RP; Methopromazine; Methoxypromazine; RP 4632. Grades: > 95%. CAS No. 61-01-8. Molecular formula: C18H22N2OS. Mole weight: 314.45. | |
| 2-Methyl-2-Nitro-1,3-Propanediol | Synonyms: 2-Methyl-2-Nitro-Propane-1,3-Diol; Nmpd; Nsc5372; 1,1-Dimethylol-1-nitroethane; 1,3-Propanediol, 2-methyl-2-nitro-; 2-Methyl-2-nitropropanediol; 3-Propanediol,2-methyl-2-nitro-1. Grades: > 95%. CAS No. 77-49-6. Molecular formula: C4H9NO4. Mole weight: 135.12. | |
| 2-Methyl-5-nitrobenzenesulfonamide | 2-Methyl-5-nitrobenzenesulfonamide (CAS# 6269-91-6) is a chemical reagent in the synthesis of good inhibitors of cancer-related carbonic anhydrase. Also used in the synthesis of novel deacetylase inhibitors used in anti-tumor therapy. Synonyms: 2-methyl-5-nitrobenzenesulfonamide; 2-methyl-5-nitrobenzenesulfonamide. Grades: 98 %. CAS No. 6269-91-6. Molecular formula: C7H8N2O4S. Mole weight: 216.21. | |
| 2-Methyl Carbamazepine | 2-Methyl Carbamazepine is a new internal standard for chromatographic assays of Carbamazepine which is used in treatment of pain associated with trigeminal neuralgia. Uses: A new internal standard for chromatographic assays of carbamazepine (c175840) (tegretol). Synonyms: 2-Methyl-5H-dibenz[b,f]azepine-5-carboxamide. Grades: 95%. CAS No. 70401-32-0. Molecular formula: C16H14N2O. Mole weight: 250.29. | |
| 2-Nitrodiphenyl Sulfide | An impurity of Nimesulide, which is a selective COX-4 inhibitor. Synonyms: 2-Nitrophenyl Phenyl Sulfide; 1-Nitro-2-(phenylthio)benzene; 2-Nitrodiphenyl Sulfide. Grades: > 95%. CAS No. 4171-83-9. Molecular formula: C12H9NO2S. Mole weight: 231.28. | |
| 2'-O-(Benzyloxycarbonyl) Taxol | 2'-O-(Benzyloxycarbonyl) Taxol is one of protected Paclitaxel intermediates. 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: 7,11-Methano-1H-cyclodeca[3,4]benz[1,2-b]oxete, benzenepropanoic acid deriv.; 2'-(Benzyloxycarbonyl)taxol; [2aR-[2aα , 4β , 4aβ , 6β , 9α (α R*, β S*) , 11α , 12α , 12aα , 12bα ]]-β - (Benzoylamino) -α -[[ (phenylmethoxy) carbonyl]oxy]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-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; (αR,βS)-β-(Benzoylamino)-α-[[(phenylmethoxy)carbonyl]oxy]-benzenepropanoic Acid (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; 2'-carboxybenzoylpaclitaxel; 2'-benzyloxycarbonyl-paclixatel; 2'-Z-paclitaxel. Grades: 98%. CAS No. 148930-30-7. Molecular formula: C55H57NO16. Mole weight: 988.04. | |
| 2'-O-tert-Butyl(dimethyl)silyl-2-debenzoyl-[2,4]-oxol Paclitaxel | 2'-O-tert-Butyl(dimethyl)silyl-2-debenzoyl-[2,4]-oxol Paclitaxel is one of Paclitaxel intermediates. 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: C46H61NO13Si. Mole weight: 864.06. | |
| 2-O-tert-Butyl(dimethyl)silyl-(2R,3S)-benzoyl-3-phenylisoserine Methyl Ester | 2-O-tert-Butyl(dimethyl)silyl-(2R,3S)-benzoyl-3-phenylisoserine Methyl Ester is one of Paclitaxel intermediates. 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: C23H31NO4Si. Mole weight: 413.58. | |
| 2'-O-(tert-Butyldimethylsilyl)-6,7-dehydro Paclitaxel | 2'-O-(tert-Butyldimethylsilyl)-6,7-dehydro 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. Synonyms: 2'-NITROCINNAMALDEHYDE; (4aR, 6R, 11R, 12R, 12aS)-9-((3-benzamido-2-((tert-butyldimethylsilyl)oxy)-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-11-hydroxy-4a, 8, 13, 13-tetramethyl-5-oxo-2a, 4a, 5, 6, 9, 10, 11, 12, 12a, 12b3, 4]benzo[1, 2-b]oxete-6, 12b-diyl diacetate. Grades: > 98%. CAS No. 165065-02-1. Molecular formula: C53H63NO13Si. Mole weight: 950.15. | |
| 2'-O-(tert-Butyldimethylsilyl)-6α-hydroxy 7-epi-Paclitaxel | 2'-O-(tert-Butyldimethylsilyl)-6α-hydroxy 7-epi-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. Uses: 6α-hydroxypaclitaxel derivative. Synonyms: (3xi, 5beta, 6alpha, 7alpha, 10beta, 13alpha)-4, 10-Bis(acetyloxy)-13-{[(2R, 3S)-3-benzamido-2-{[tert-butyl(dimethyl)silyl]oxy}-3-phenylpropanoyl]oxy}-1, 6, 7-trihydroxy-9-oxo-5, 20-epoxytax-11-en-2-yl benzoate; 2-tert-Pentylcyclopentanon; 2-(1,1-dimethyl-propyl)-cyclopentan-1-one; 2'-NOR THIAMINE; 2-t-Amyl-cyclopentanon; (2aR, 3S, 4S, 4aS, 6S, 9S, 11S, 12S, 12aR, 12bS)-9-(((2R, 3S)-3-benzamido-2-((tert-butyldimethylsilyl)oxy)-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-3, 4, 11-trihydroxy-4a, 8, 13, 13-tetramethyl-5-oxo-2a, 3, 4, 4a, 5, 6, 9, 10, 11, 12, 12a, 12b-d3, 4]benzo[1, 2-b]oxete-6, 12b-diyl diacetate. Grades: > 98%. CAS No. 165065-08-7. Molecular formula: C53H65NO15Si. Mole weight: 984.16. | |
| 2'-O-(tert-Butyldimethylsilyl)-6α-hydroxy Paclitaxel | 2'-O-(tert-Butyldimethylsilyl)-6α-hydroxy 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. Uses: 6α-hydroxypaclitaxel derivative. Synonyms: 2'-O-(tert-Butyldimethylsilyl)-6alpha-hydroxypaclitaxel. Grades: > 98%. CAS No. 211732-86-4. Molecular formula: C53H65NO15Si. Mole weight: 984.16. | |
| 2'-O-tert-Butyl(dimethyl)silyl-7-O-triethylsilyl-2-debenzoyl-4-desacetyl Paclitaxel | 2'-O-tert-Butyl(dimethyl)silyl-7-O-triethylsilyl-2-debenzoyl-4-desacetyl Paclitaxel is one of Paclitaxel intermediates. 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: (αR,βS)-β-(Benzoylamino)-α-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6-(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-Dodecahydro-11,12,12b-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-[(triethylsilyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; [2aR-[2aα , 4β , 4aβ , 6β , 9α (α R*, β S*) , 11α , 12α , 12aα , 12bα ]]-β - (Benzoylamino) -α -[[ (1, 1-dimethylethyl) dimethylsilyl]oxy]benzenepropanoic Acid 6-(Acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11,12,12b-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-[(triethylsilyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; 4-deacetyl-2-debenzoyl-2'-O-tert-butyldimethylsilyl-7-O-(triethylsilyl)taxol; 2'-tert-butyldimethylsilyl-2-debenzoyl-4-deacetyl-7-(triethylsilyl)paclitaxel. Grades: 98%. CAS No. 160768-75-2. Molecular formula: C50H73NO12Si2. Mole weight: 936.28. | |
| 2'-O-(tert-Butyldimethylsilyl) Paclitaxel | 2'-O-(tert-Butyldimethylsilyl) 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. Uses: Paclitaxel derivative as antitumor agent. Synonyms: 2'-O-(tert-Butyldimethylsilyl)taxol; (3xi,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-13-{[(2R,3S)-3-benzamido-2-{[tert-butyl(dimethyl)silyl]oxy}-3-phenylpropanoyl]oxy}-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate; 2'-O-TBS-paclitaxel. Grades: 98%. CAS No. 114655-02-6. Molecular formula: C53H65NO14Si. Mole weight: 968.16. | |
| 2-Oxo Clopidogrel (Mixture of Isomers) | Cas No. 109904-27-0. | |
| 2-Oxo Ticlopidine HCl | An impurity of Ticlopidine which was showed in patients undergoing coronary artery stenting to reduce the risk for subacute stent thrombosis compared with warfarin-based regimens. Synonyms: 5-[(2-Chlorophenyl)methyl]-5,6,7,7a-tetrahydro-thieno[3,2-c]pyridin-2(4H)-onePCR 3787. Grades: > 95%. CAS No. 83427-55-8. Molecular formula: C14H14ClNOS.HCl. Mole weight: 316.25. | |
| 2-Phenoxyaniline | An impurity of Nimesulide, which is a selective COX-2 inhibitor. Synonyms: 2-phenoxyaniline. Grades: 99 %. CAS No. 2688-84-8. Molecular formula: C12H11NO. Mole weight: 185.22. | |
| 2-Phenylacetamide | Cas No. 103-81-1. | |
| 2'-Quinidinone | A derivative of Quinidine. Quinidine is a class I antiarrhythmic agent. It is a stereoisomer of quinine, originally derived from the bark of the cinchona tree. Synonyms: Quinidinone; 6'-Methoxycinchonan-9-one; 14528-53-1; [(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-(6-methoxyquinolin-4-yl)methanone; EINECS 238-549-5; 6/'-methoxycinchonan-9-one; CHEMBL2262642; SRFCUPVBYYAMIL-CKFHNAJUSA-N; DTXSID301021294. Grades: > 95%. CAS No. 14528-53-1. Molecular formula: C20H22N2O2. Mole weight: 322.41. | |
| (2R,3S)-3-amino-2-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)butanoic acid | It's one of Aztreonam impurities, Aztreonam is a monobactam antibiotic used primarily to treat gram-negative bacterial infections. Grades: 95%. Molecular formula: C13H19N5O6S. Mole weight: 373.38. | |
| (2R,3S)-ethyl 2,3-diamino-3-phenylpropanoate | Cas No. 153433-80-8. | |
| (2R,4R)-rel-2,4-Bis(2',4'-difluorophenyl)-2,4-dihydroxypentane | (2R,4R)-rel-2,4-Bis(2',4'-difluorophenyl)-2,4-dihydroxypentane 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: (2R,4R)-rel-2,4-Bis(2',4'-difluorophenyl)-2,4-dihydroxypentane; (2R,4R)-2,4-bis(2,4-difluorophenyl)pentane-2,4-diol. CAS No. 1329616-28-5. Molecular formula: C17H16F4O2. Mole weight: 328.3. | |
| (2S*,2'S*)-Nebivolol Impurity C | An impurity of Nebivolol, which selectively inhibits β1-adrenoceptor with IC50 of 0.15 nM. Grades: > 95%. CAS No. 876514-31-7. Molecular formula: C11H11FO2. Mole weight: 194.21. | |
| (2S,3R)-Cabazitaxel | Cas No. 1714967-27-7. | |
| ((2S,3S)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-(sulfoamino)butanoyl)-L-arginine compound with formic acid (1:1/2) | It's one of Aztreonam impurities, Aztreonam is a monobactam antibiotic used primarily to treat gram-negative bacterial infections. Grades: 98%. Molecular formula: C19H31N9O10S2.1/2CH2O2. Mole weight: 632.64. | |
| (2S,3S)-3-amino-2-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)butanoicacid compound with 2,2,2-trifluoroacetic acid | It's one of Aztreonam impurities, Aztreonam is a monobactam antibiotic used primarily to treat gram-negative bacterial infections. Grades: 98%. Molecular formula: C13H19N5O6S.CF3COOH. Mole weight: 487.41. | |
| (2S,3S)-3-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-2-methyl-4-oxoazetidine-1-sulfonic acid | It's one of Aztreonam impurities, Aztreonam is a monobactam antibiotic used primarily to treat gram-negative bacterial infections. Grades: 98%. CAS No. 330944-50-8. Molecular formula: C17H25N5O8S2. Mole weight: 491.53. | |
| (2S,4S)-Argatroban | Synthetic thrombin inhibitor. Synonyms: (2S,4S)-1-[(2S)-5-[(Aminoiminomethyl)amino]-1-oxo-2-[[(1,2,3,4-tetrahydro-3-methyl-8-quinolinyl)sulfonyl]amino]pentyl]-4-methyl-2-piperidinecarboxylic Acid. Grades: > 95%. CAS No. 189264-03-7. Molecular formula: C23H36N6O5S. Mole weight: 508.64. | |
| (2S)-bethanechol | Synonyms: (S)-Bethanechol. CAS No. 111244-96-3. Molecular formula: C7H17N2O2+. Mole weight: 161.225. | |
| 2-(tert-Butoxy)butane | Synonyms: Butane, 2-(1,?1-dimethylethoxy)?-; Ether, sec-butyl tert-butyl (6CI) 2-(1,1-Dimethylethoxy)butane 2-Butyl tert-butyl ether sec-Butyl tert-butyl ether. Grades: > 95%. CAS No. 32970-45-9. Molecular formula: C8H18O. Mole weight: 130.23. | |
| 2-Thiophene Acetyl Chloride | As a reagent to synthesize diamide derivatives of (S)-BINOL. Synonyms: 2-(2-Thienyl)acetyl Chloride; 2-(2-Thienyl)ethanoyl Chloride; 2-(Thiophen-2-yl)acetyl Chloride; 2-Thienylacetyl Chloride. Grades: > 95%. CAS No. 39098-97-0. Molecular formula: C6H5ClOS. Mole weight: 160.62. | |
| 2-(((Z)-(1-(2-((2S,3S)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-(sulfoamino)butanamido)thiazol-4-yl)-2-(((2S,3S)-2-methyl-4-oxo-1-sulfoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic acid | It's one of Aztreonam impurities, Aztreonam is a monobactam antibiotic used primarily to treat gram-negative bacterial infections. Grades: 95%. Molecular formula: C26H34N10O16S4. Mole weight: 870.85. | |
| (2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one | (2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one is an impurity of Sitagliptin. Sitagliptin is an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: SCHEMBL23269993; 1803026-54-1; (Z)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one. CAS No. 1803026-54-1. Molecular formula: C16H12F6N4O. Mole weight: 390.28. | |
| (2Z)-(6-Methoxy-2,3-dihydro-1H-inden-1-ylidene)acetonitrile | (2Z)-(6-Methoxy-2,3-dihydro-1H-inden-1-ylidene)acetonitrile 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). Uses: A byproduct formed during the production of ramelteon. Synonyms: (Z)-(2,3-Dihydro-6-methoxy-1H-inden-1-ylidene)acetonitrile; (2Z)-2-(2,3-Dihydro-6-methoxy-1H-inden-1-ylidene)acetonitrile. CAS No. 468104-14-5. Molecular formula: C12H11NO. Mole weight: 185.22. | |
| 3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetamide | Anastrozole Impurity. Synonyms: 3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetamide. Grades: > 95%. CAS No. 120512-03-0. Molecular formula: C17H21N5O. Mole weight: 311.39. | |
| 3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetic acid | Anastrozole Impurity. Synonyms: 3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetic acid. Grades: > 95%. CAS No. 1338800-82-0. Molecular formula: C17H20N4O2. Mole weight: 312.37. | |
| 3-(1-Cyanoethyl)benzoic acid | Cas No. 5537-71-3. | |
| 3,20-Disemicarbazone-17,21-dihydroxy-pregna-1,4-diene-3,11,20-trione 21-Acetate | 3,20-Disemicarbazone-11β,17,21-trihydroxy-pregna-1,4-diene-3,20-dione 21-Acetate is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. CAS No. 115097-56-8. Molecular formula: C25H34N6O6. Mole weight: 514.57. | |
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