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 | |
|---|---|---|
| (2S,3S,11bS)-Dihydrotetrabenazine L-Val | (2S,3S,11bS)-Dihydrotetrabenazine L-Val is an impurity of Tetrabenazine, which is a VMAT inhibitor used in the treatment of hyperkinetic movement disorder. Synonyms: (2S,3S,11bS)-3-Isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido(2,1-a)isoquinolin-2-yl L-valinate; L-Valine (2S,3S,11bS)-1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo(a)quinolizin-2-yl ester. Molecular formula: C24H38N2O4. Mole weight: 418.57. |  |
| (2S,3S)-2-benzhydryl-N-benzylquinuclidin-3-amine-(1R)-10-camphorsulfonate | (2S,3S)-2-benzhydryl-N-benzylquinuclidin-3-amine-(1R)-10-camphorsulfonate is an impurity of Maropitant. Maropitant is a neurokinin (NK1) receptor antagonist. Synonyms: Maropitant Impurity A; Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1R,4S)-, compd. with (2S,3S)-2-(diphenylmethyl)-N-(phenylmethyl)-1-azabicyclo[2.2.2]octan-3-amine (1:1). Grades: 99% by HPLC. CAS No. 862543-55-3. Molecular formula: C37H46N2O4S. Mole weight: 614.85. | |
| (2S,3S,4R,5S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate | (2S,3S,4R,5S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl Triacetate is an impurity of Dapagliflozin. Dapagliflozin is a selective, orally active inhibitor of the renal sodium-glucose co-transporter type 2 (SGLT2) in development for the treatment of type 2 diabetes mellitus (T2DM). Molecular formula: C29H33ClO10. Mole weight: 577.02. | |
| (2S,3S,4S,5S,6R)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate | (2S,3S,4S,5S,6R)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate is an impurity of Dapagliflozin. Dapagliflozin is a selective, orally active inhibitor of the renal sodium-glucose co-transporter type 2 (SGLT2) in development for the treatment of type 2 diabetes mellitus (T2DM). Molecular formula: C29H33ClO10. Mole weight: 577.02. | |
| (2S,4R)-4-Ethyl-1-methylproline Hydrochloride | (2S,4R)-4-Ethyl-1-methylproline Hydrochloride is a decomposition product of Lincomycin B, an antibiotic. Synonyms: (2S-trans)-4-Ethyl-1-methylproline Hydrochloride; Lincomycin Impurity 2 HCl; (4R)-4-Ethyl-1-methyl-L-proline hydrochloride (1:1); L-Proline, 4-ethyl-1-methyl-, (4R)-, hydrochloride (1:1). Grades: ≥90%. CAS No. 2880-73-1. Molecular formula: C8H16ClNO2. Mole weight: 193.67. | |
| (2S,4R)-4-Ethyl-L-proline Hydrochloride | (2S,4R)-4-Ethyl-L-proline Hydrochloride is a useful amino acid intermediate used in the preparation of Lincomycin, which is a lincosamide antibiotic from the actinomycete Streptomyces lincolnensis. Synonyms: (4R)-4-Ethyl-L-proline hydrochloride (1:1); L-Proline, 4-ethyl-, (4R)-, hydrochloride (1:1); (2S-trans)-4-Ethyl proline Hydrochloride. Molecular formula: C7H14ClNO2. Mole weight: 179.64. | |
| (2S,4'R,8'R)-α-Tocopherol | (2S,4'R,8'R)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (2S)-2,5,7,8-Tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 18920-63-3. Molecular formula: C29H50O2. Mole weight: 430.70. | |
| (2S,4'R,8'S)-α-Tocopherol | (2S,4'R,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (S,R,S)-α-Tocopherol; (2S)-2,5,7,8-Tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 79434-83-6. Molecular formula: C29H50O2. Mole weight: 430.70. | |
| (2S, 4S) -2-[[[ (1, 1-Dimethylethyl) dimethylsilyl]oxy]methyl]-4-propyl-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester | (2S, 4S) -2-[[[ (1, 1-Dimethylethyl) dimethylsilyl]oxy]methyl]-4-propyl-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester is an intermediate in the synthesis of Lincomycin, which is a lincosamide antibiotic from the actinomycete Streptomyces lincolnensis. Synonyms: 2-Methyl-2-propanyl (2S,4S)-2-({[dimethyl(2-methyl-2-propanyl)silyl]oxy}methyl)-4-propyl-1-pyrrolidinecarboxylate; 1-Pyrrolidinecarboxylic acid, 2-[[[ (1, 1-dimethylethyl) dimethylsilyl]oxy]methyl]-4-propyl-, 1,1-dimethylethyl ester, (2S,4S)-. Molecular formula: C19H39NO3Si. Mole weight: 357.60. | |
| (2S,4'S,8'R)-α-Tocopherol | (2S,4'S,8'R)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (S,S,R)-α-Tocopherol; (2S)-2,5,7,8-Tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 79434-82-5. Molecular formula: C29H50O2. Mole weight: 430.70. | |
| (2S,4'S,8'S)-α-Tocopherol | (2S,4'S,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-, (2S)-; (2S)-2,5,7,8-Tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-6-chromanol. CAS No. 77171-97-2. Molecular formula: C29H50O2. Mole weight: 430.70. | |
| (2S,4'S,8'S)-β-Tocopherol | (2S,4'S,8'S)-β-Tocopherol is a stereoisomer of one of the naturally occurring forms of Vitamin E. Synonyms: (S,S,S)-β-Tocopherol; (S)-2,5,8-trimethyl-2-((4S,8S)-4,8,12-trimethyltridecyl)chroman-6-ol; (2S)-2,5,8-Trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-3,4-dihydro-2H-1-benzopyran-6-ol; (2S)-2,5,8-Trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,8-trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-, (2S)-. Molecular formula: C28H48O2. Mole weight: 416.68. | |
| (2S,5S)-(1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl 5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-Oxathiolane-2-carboxylate | (2S,5S)-(1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl 5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-Oxathiolane-2-carboxylate is an intermediate and impurity of Lamivudine, which is a potent nucleoside reverse transcriptase inhibitor and antiviral agent used to treat chronic hepatitis B. Synonyms: (2S,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate; Lamivudine Impurity 3; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5S)-. Molecular formula: C18H27N3O4S. Mole weight: 381.49. | |
| (2S)-α-Tocopherol (Mixture of Diastereomers) | (2S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, (2S)-; (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (2S,4'RS,8'RS)-α-Tocopherol. CAS No. 1411583-24-8. Molecular formula: C29H50O2. Mole weight: 430.70. | |
| (2S)-Isopropyl 2- ( ( (perfluorophenoxy) (phenoxy)phosphoryl)amino)propanoate | An impurity of Sofosbuvir. Sofosbuvir is a NS5B inhibtor used for the treatment of hepatitis C. It is only recommended with some combination of ribavirin, peginterferon-alfa, simeprevir, ledipasvir or daclatasvir. Synonyms: Propan-2-yl (2S) -2-{[pentafluorophenoxy (phenoxy) phosphoryl]amino}propanoate; N-[ (S) - (2, 3, 4, 5, 6-Pentafluorophenoxy) Phenoxyphosphinyl]-L-Alanine 1-Methylethyl Ester; N-[ (S) - (2, 3, 4, 5, 6-Pentafluorophenoxy) phenoxyphosphinyl]-L-alanine1-methylethyl ester. CAS No. 1256490-52-4. Molecular formula: C18H17F5NO5P. Mole weight: 453.302. | |
| 2-((S)-Quinuclidin-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinoline | 2-((S)-Quinuclidin-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinoline 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). Synonyms: 2-[(3S)-1-Azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinoline; 1H-Benz[de]isoquinoline, 2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-; Palonosetron Impurity 15. Grades: ≥95%. CAS No. 1796933-62-4. Molecular formula: C19H26N2. Mole weight: 282.42. | |
| 2-(tert-Butylamino)-3, 4-Dichloropropiophonone HCl | Cas No. 1346598-72-8. | |
| 2-(tert-Butylamino)-3, 5-Dichloropropiophonone HCl | Cas No. 1346603-00-6. | |
| 2-Thiophenepropionic acid | An impurity of Eprosartan. Eprosartan is an angiotensin II receptor antagonist used for the treatment of high blood pressure. Uses: 3-(thiophen-2-yl)propionic acid (eprosartan usp related compound b) is an intermediate in the synthesis of eprosartan (e590100), a prototype of the imidazoleacrylic acid angiotensin ii receptor antagonists used as an antihypertensive agent. Synonyms: 3-thiophen-2-ylpropanoic acid. Grades: > 95 %. CAS No. 5928-51-8. Molecular formula: C7H8O2S. Mole weight: 156.20. | |
| 2-((Triisopropylsilyl)oxy)-5H-dibenzo[b,f]azepine | 2-((Triisopropylsilyl)oxy)-5H-dibenzo[b,f]azepine is an intermediate of Carbamazepine, which is used in treatment of pain associated with trigeminal neuralgia. Synonyms: 5H-Dibenz[b,f]azepine, 2-[[tris(1-methylethyl)silyl]oxy]-. Molecular formula: C23H31NOSi. Mole weight: 365.58. | |
| 2-((Triisopropylsilyl)oxy)-5H-dibenzo[b,f]azepine-5-carboxamide | 2-((Triisopropylsilyl)oxy)-5H-dibenzo[b,f]azepine-5-carboxamide is an intermediate of Carbamazepine, which is used in treatment of pain associated with trigeminal neuralgia. Synonyms: 5H-Dibenz[b,f]azepine-5-carboxamide, 2-[[tris(1-methylethyl)silyl]oxy]-. Molecular formula: C24H32N2O2Si. Mole weight: 408.61. | |
| 2-Valeryl-17-beta-Estradiol-17-Valerate | An impurity 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)-2-Valerylestra-1,3,5(10)-triene-1,17-diol 17-Pentanoate; 2-Valerylestradiol Valerate. Grades: > 95%. CAS No. 1421283-56-8. Molecular formula: C28H40O4. Mole weight: 440.63. | |
| 3,12-Diimino-2,4,11,13-tetraazatetradecanediamide | 3,12-Diimino-2,4,11,13-tetraazatetradecanediamide is an impurity produced during the preparation of Chlorhexidine, which is a disinfectant and topical anti-infective agent for reduction of pocket depth in patients with adult periodontitis. Synonyms: 1,1'-(1,6-Hexanediyldicarbamimidoyl)diurea; Urea, N, N''-[1, 6-hexanediylbis (iminocarbonimidoyl)]bis-. Grades: 98%. CAS No. 1797132-41-2. Molecular formula: C10H22N8O2. Mole weight: 286.33. | |
| 3,17-Divalerate 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: Estradiol 3,17-Divalerate; [(8R,9S,13S,14S,17S)-13-methyl-3-pentanoyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] pentanoate. Grades: > 95%. CAS No. 63042-28-4. Molecular formula: C28H40O4. Mole weight: 440.63. | |
| 31-Dehydro-Thr-Calcitonin | 31-Dehydro-Thr-Calcitonin is an impurity of Calcitonin salmon, which is a calcium regulating hormone used to be an effective alternative for the treatment of postmenopausal osteoporosis. Synonyms: H-Cys-Ser-Asn-Leu-Ser-Thr-Cys-Val-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-Thr(Dehydro)-Pro-NH2 (Disulfide bond between Cys1 and Cys7). Molecular formula: C145H238N44O47S2. Mole weight: 3413.88. | |
| 3-((1-Methyl-1H-benzoimidazole-5-carbonyl)-pyridin-2-yl-amino)-propionic Acid Ethyl Ester | An impurity of Dabigatran. Dabigatran is a very potent anticoagulant, showing that the terminal phenyl can be substituted by the more hydrophilic 2-pyridyl group without substantial loss of activity. Synonyms: Dabigatran Etexilate impurity H; N-[(1-Methyl-1H-benzimidazol-5-yl)carbonyl]-N-2-pyridinyl-β-alanine ethyl ester; Dabigatran Impurity S. Grades: ≥95%. CAS No. 1702936-92-2. Molecular formula: C19H20N4O3. Mole weight: 352.39. | |
| 3,20-Disemicarbazone-11β,17,21-trihydroxy-pregna-1,4-diene-3,20-dione 21-Acetate | 3,20-Disemicarbazone-11β,17,21-trihydroxy-pregna-1,4-diene-3,20-dione 21-Acetate is a derivative 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. Synonyms: 11β,17-Dihydroxypregna-1,4-diene-3,20-disemicarbazone-21-yl acetate; 21-Acetoxy-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione disemicarbazone; Hydrazinecarboximidamide, 2,2'-[(11β)-21-(acetyloxy)-11,17-dihydroxypregna-1,4-diene-3,20-diylidene]bis-; 2, 2'- [ (11β ) -21- (Acetyloxy) -11, 17-dihydroxypregna-1, 4-diene-3, 20-diylidene]bis [hydrazinecarboximidamide]; Pregna-1,4-diene-3,20-dione, 11β,17,21-trihydroxy-, 21-acetate, 3,20-disemicarbazone; Pregna-1,4-diene-3,20-dione, 11β,17,21-trihydroxy-, disemicarbazone, 21-acetate. Grades: 95% by HPLC. CAS No. 96580-08-4. Molecular formula: C25H36N6O6. Mole weight: 516.59. | |
| 3-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane-1,2-diyl diacetate | It is an impurity of Ganciclovir. Ganciclovir is an antiviral drug for feline herpesvirus type-1 with IC50 of 5.2 μM. Synonyms: (+/-)-N2-acetyl-9-((2,3-diacetoxy-1-propoxy)methyl)guanine; Ganciclovir Impurity 11. CAS No. 96429-68-4. Molecular formula: C15H19N5O7. Mole weight: 381.34. | |
| 3-(2-Aminoethoxy) Thalidomide SF-1-088 Amide | 3-(2-Aminoethoxy) Thalidomide SF-1-088 Amide is a derivative of Pomalidomide, which is an immunomodulatory antineoplastic agent for the treatment of multiple myeloma. Synonyms: 2-Methyl-2-propanyl {2-[(4-cyclohexylbenzyl){4-[(2-{[2-(2,6-dioxo-3-piperidinyl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]oxy}ethyl)carbamoyl]-3-hydroxyphenyl}amino]-2-oxoethyl}[(4-methylphenyl)sulfonyl]carbamate; Carbamic acid, N-[2-[[(4-cyclohexylphenyl)methyl][4-[[[2-[[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]oxy]ethyl]amino]carbonyl]-3-hydroxyphenyl]amino]-2-oxoethyl]-N-[(4-methylphenyl)sulfonyl]-, 1,1-dimethylethyl ester. Molecular formula: C49H53N5O12S. Mole weight: 936.03. | |
| 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic Acid | 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic Acid is an impurity of Flucloxacillin, which is a narrow-spectrum beta-lactam antibiotic of the penicillin class. Synonyms: 3-(2-Chloro-6-fluorophenyl)-5-methyl-4-isoxazolecarboxylic Acid; Flucloxacillin EP Impurity D; Flucloxacillin impurity D. Grades: 98%. CAS No. 3919-74-2. Molecular formula: C11H7ClFNO3. Mole weight: 255.63. | |
| 3-(2-Hydroxy-2-methylpropyl)-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-pyrido[2,1-a]isoquinolin-2-ol | Cas No. 7744-55-0. | |
| 3-(3,4-Dichlorophenyl)-3-(2-hydroxymethyl)-1-piperidinecarboxylic Acid tert-Butyl Ester | 3-(3,4-Dichlorophenyl)-3-(2-hydroxymethyl)-1-piperidinecarboxylic Acid tert-Butyl Ester, an antidepressant, is a potential dual norepinephrine and dopamine uptake inhibitor. Synonyms: 2-Methyl-2-propanyl 3-(3,4-dichlorophenyl)-3-(hydroxymethyl)-1-piperidinecarboxylate; 1-Piperidinecarboxylic acid, 3-(3,4-dichlorophenyl)-3-(hydroxymethyl)-, 1,1-dimethylethyl ester. Molecular formula: C17H23Cl2NO3. Mole weight: 360.27. | |
| 3,3',5-Triiodo Thyropropionic Acid | 3,3',5-Triiodo Thyropropionic Acid is a thyroid hormone analog that can be used as an antilipemic. Synonyms: Thyropropic Acid; 3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid. Grades: 95%. CAS No. 51-26-3. Molecular formula: C15H11I3O4. Mole weight: 635.962. | |
| 3,3-Dibromo Cotinine | 3,3-Dibromo Cotinine is a derivative of Cotinine, which is currently being used to treat depression, PTSD, schizophrenia, Alzheimer's disease and Parkinson's disease. Synonyms: (S)-3,3-Dibromo-1-methyl-5-(3-pyridinyl)-2-pyrrolidinone; 3,3-Dibromocotinine. Grades: ≥90%. CAS No. 74093-56-4. Molecular formula: C10H10Br2N2O. Mole weight: 334.01. | |
| 3,3'-Dithiobis(propane-1,2-diol) | 3,3'-Dithiobis(propane-1,2-diol) (CAS# 4807-52-7 ) is a useful research chemical. Synonyms: 1,2-Propanediol, 3,3'-dithiobis-; 3,3'-Disulfanediyldi(1,2-propanediol); Glycerol Impurity (Disulfide Oxidation Product); 3,3'-disulfanediyldipropane-1,2-diol; 1,1'-Dithiobis(2,3-propanediol); 3-(2,3-Dihydroxypropyldisulfanyl)propane-1,2-diol. Grades: > 95 %. CAS No. 4807-52-7. Molecular formula: C6H14O4S2. Mole weight: 214.3. | |
| 3,3'-L-Diiodothyronine | 3,3'-L-Diiodothyronine is an impurity of the thyroid medicine Levothyroxine. Synonyms: O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine; L-3,3'-Diiodothyronine. Grades: >95%. CAS No. 4604-41-5. Molecular formula: C15H13I2NO4. Mole weight: 525.08. | |
| 3,3'-(Methylimino)bis[1-(2-thienyl)-1-propanone Hydrochloride | 3,3'-(Methylimino)bis[1-(2-thienyl)-1-propanone 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: 3,3''-(Methylazanediyl)bis(1-(thiophen-2-yl)propan-1-one) Hydrochloride; 1-Propanone, 3,3'-(methylimino)bis[1-(2-thienyl)-, hydrochloride (1:1); Duloxetine Impurity 7. Grades: ≥95%. CAS No. 494221-37-3. Molecular formula: C15H18ClNO2S2. Mole weight: 343.89. | |
| 3,3'-(Naphthalene-1,3-diyl)bis(N-methyl-3-(thiophen-2-yl)propan-1-amine) Dihydrochloride | 3,3'-(Naphthalene-1,3-diyl)bis(N-methyl-3-(thiophen-2-yl)propan-1-amine) Dihydrochloride 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: 3,3'-(1,3-Naphthalenediyl)bis[N-methyl-3-(2-thienyl)-1-propanamine] dihydrochloride; 1,3-Naphthalenedipropanamine, N1,N3-dimethyl-γ,γ'-di-2-thienyl-, hydrochloride (1:2). Molecular formula: C26H32Cl2N2S2. Mole weight: 507.58. | |
| 3-((3R,4R)-4-methyl-3-(methylamino)piperidin-1-yl)-3-oxopropanenitrile hydrochloride | An impurity of Tofacitinib, a Janus kinase inhibitor that could be used against rheumatoid arthritis. CAS No. 1640971-87-4. Molecular formula: C10H18ClN3O. Mole weight: 231.72. | |
| 33-tert-Butyldimethylsilyloxy-FK 506 | 33-tert-Butyldimethylsilyloxy-FK 506 is an intermediate of iso-Tacrolimus. Synonyms: [3S-[3R*[E(1S*, 3S*, 4S*)], 4S*, 5R*, 8S*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*, 19S*, 26aR*]]-3-[2-[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-5, 19-dihydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-8-(2-propenyl)-15, 19-epoxy-3H-pyrido[2, 1-c][1, 4]oxaazacyclotricosine-1, 7, 20, 21(4H, 23H)-tetrone; 33-tert-Butyldimethylsilyloxy-Tacrolimus; Tacrolimus Impurity 26; Tacrolimus Impurity 15. Grades: ≥95%. CAS No. 104987-25-9. Molecular formula: C50H83NO12Si. Mole weight: 918.28. | |
| 3-[4-(Aminomethyl)benzyloxy] Thalidomide | 3-[4-(Aminomethyl)benzyloxy] Thalidomide is a derivative of Pomalidomide, which is an immunomodulatory antineoplastic agent for the treatment of multiple myeloma. Synonyms: 4-[[4-(aminomethyl)phenyl]methoxy]-2-(2,6-dioxopiperidin-3-yl)isoindole-1,3-dione; 4-{[4-(Aminomethyl)benzyl]oxy}-2-(2,6-dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione; 1H-Isoindole-1,3(2H)-dione, 4-[[4-(aminomethyl)phenyl]methoxy]-2-(2,6-dioxo-3-piperidinyl)-. Molecular formula: C21H19N3O5. Mole weight: 393.39. | |
| 3',4'-Dibenzyloxy-1-phenyl-2-butanone | An intermediate 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. Uses: Intermediate in the production of α-ethylnorepinephrine. Synonyms: 1-Butanone, 1-[3,4-bis(phenylmethoxy)phenyl]-; 1-[3,4-Bis(phenylmethoxy)phenyl]-1-butanone; 1-[3,4-bis(benzyloxy)phenyl]butan-1-one. Grades: ≥95%. CAS No. 24538-59-8. Molecular formula: C24H24O3. Mole weight: 360.45. | |
| 3,4-Difluoro-1H-pyrrole | Synonyms: 3,4-Difluoro-1H-pyrrole. Grades: 95%. CAS No. 120047-51-0. Molecular formula: C4H3F2N. Mole weight: 103.07. | |
| 3,4-Dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide | An impurity of Hydrochlorothiazide, a diuretic medication used for the treatment of high blood pressure. Synonyms: 7-Sulfamoyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide; Hydrochlorothiazide Impurity 05. CAS No. 23141-82-4. Molecular formula: C7H9N3O4S2. Mole weight: 263.29. | |
| 3,4-Dihydro-6,7-dimethoxyisoquinoline Hydrochloride | 3,4-Dihydro-6,7-dimethoxyisoquinoline Hydrochloride is used in the synthesis of Tetrabenazine, which is a VMAT inhibitor used in the treatment of hyperkinetic movement disorder. Synonyms: Tetrabenazine Impurity 5. Grades: ≥95%. CAS No. 20232-39-7. Molecular formula: C11H14ClNO2. Mole weight: 227.69. | |
| 3,4-Dihydro-7,8-dimethoxyisoquinoline | 3,4-Dihydro-7,8-dimethoxyisoquinoline is one of Tetrabenazine intermediates. Tetrabenazine is a VMAT-inhibitor used for treatment of hyperkinetic movement disorder. It is a monoamine-depleting and a dopamine-receptor-blocking drug and is an effective and safe drug for the treatment of a variety of hyperkinetic movement disorders. Synonyms: 3,4-Dihydroisobackebergine; Dehydrolemaireocereine; 7,8-Dmdhi; Isoquinoline, 3,4-dihydro-7,8-dimethoxy-. Grades: 98%. CAS No. 75877-72-4. Molecular formula: C11H13NO2. Mole weight: 191.23. | |
| 3,4-Di-O-acetyl-2,6-dideoxy-α/β-L-arabino-hexopyranosyl 2,6-Dideoxy-α/β-L-arabino-hexopyranoside Diacetate | 3,4-Di-O-acetyl-2,6-dideoxy-α/β-L-arabino-hexopyranosyl 2,6-Dideoxy-α/β-L-arabino-hexopyranoside Diacetate is an intermediate in the synthesis of Digoxigenin Tetradigitoxoside, which is an impurity of Digoxin. Molecular formula: C20H30O11. Mole weight: 446.44. | |
| 3,4-O-(Diethylmethylidene) Shikimic Acid Ethyl Ester | 3,4-O-(Diethylmethylidene) Shikimic Acid Ethyl Ester is a reactant used in the preparation of oseltamivir analogues. Synonyms: (3aR,7R,7aS)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-hydroxy-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester; Oseltamivir Impurity 87; 1,3-Benzodioxole-5-carboxylic acid, 2,2-diethyl-3a,6,7,7a-tetrahydro-7-hydroxy-, ethyl ester, (3aR,7R,7aS)-; Ethyl (3aR,7R,7aS)-2,2-diethyl-7-hydroxy-3a,6,7,7a-tetrahydro-1,3-benzodioxole-5-carboxylate. Grades: ≥90%. CAS No. 943515-58-0. Molecular formula: C14H22O5. Mole weight: 270.32. | |
| 3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid | 3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid is an impurity of olaparib, which selectively binds and inhibits PARP, inhibiting PARP-mediated repair of single-strand DNA breaks. Synonyms: 3-[(4-Oxo-3,4-dihydro-1-phthalazinyl)methyl]benzoic acid. CAS No. 420846-72-6. Molecular formula: C16H12N2O3. Mole weight: 280.28. | |
| 3,5-dipyridyl-1,2,4-triazole | One of the impurities of Topiroxostat, which is a xanthine oxidase inhibitor and has been found to be effective in the treatment of gout and hyperuricemia. Synonyms: 4,4'-(1H-1,2,4-triazole-3,5-diyl)dipyridine; 3,5-Di(4-pyridyl)-1,2,4-triazole. CAS No. 4329-78-6. Molecular formula: C12H9N5. Mole weight: 223.24. | |
| 3-(5-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzenamine | An impurity of Nilotinib, which is a Bcr-Abl inhibitor with IC50 less than 36 nM. Synonyms: 641571-16-6; 3- (5-Methyl-1H-imidazol-1-yl) -5- (trifluoromethyl) benzenamine3- (5-methylimidazol-1-yl) -5- (trifluoromethyl) aniline3- (5-Methyl-1H-imidazol-1-yl) -5- (trifluoromethyl) anilinestarbld0029650. CAS No. 641571-16-6. Molecular formula: C11H10F3N3. Mole weight: 241.217. | |
| 3-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide | An impurity of Parecoxib which is a COX2 selective inhibitor and a water-soluble and injectable prodrug of valdecoxib. Synonyms: Parecoxib Impurity 09. CAS No. 386273-25-2. Molecular formula: C16H14N2O3S. Mole weight: 314.36. | |
| 3-(6-bromo-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol | One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 31. CAS No. 1307315-04-3. Molecular formula: C16H13BrF3N5O. Mole weight: 428.21. | |
| 3,6-Dimethyl-1,4-dioxane-2,5-dione | 3,6-Dimethyl-1,4-dioxane-2,5-dione can be used in the synthesis of biodegradable homo- and copolymers. Uses: Used to make polylactic acid and cosmetics. Synonyms: Lactide; DL-Lactide; 3,6-Diketo-2,5-dimethyl-1,4-dioxane; 3,6-Dimethyl-p-dioxane-2,5-dione. Grades: 95 %. CAS No. 95-96-5. Molecular formula: C6H8O4. Mole weight: 144.13. | |
| 3,6-Diphenylpiperazine-2,5-dione | An impurity of Ampicillin, an antibiotic used for the treatment of various bacterial infections. Synonyms: Diphenyldiketopiperazine; 2,5-Piperazinedione, 3,6-diphenyl-. CAS No. 26280-46-6. Molecular formula: C16H14N2O2. Mole weight: 266.29. | |
| 37-Desmethylene 24,33-Bis-O-(tert-butyldimethylsilyl)-37-oxo-FK-506 | 37-Desmethylene 24,33-Bis-O-(tert-butyldimethylsilyl)-37-oxo-FK-506 is an intermediate of Tacrolimus, which is a macrolide drug that is widely used as a potent immunosuppressant. Uses: An intermediate in the preparation of labelled fk-506 (tacrolimus). Synonyms: 38-Desmethylene 24,32-bis-O-(tert-butyldimethylsilyl)-38-oxo-fk-506; 15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-8-acetaldehyde, 5-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-[(E)-2-[(1R, 3R, 4R)-4-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-methoxycyclohexyl]-1-methylethenyl]-1, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 26a-docosahydro-19-hydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-1, 7, 20, 21-tetraoxo-, (3S, 4S, 5S, 8R, 9E, 12S, 14S, 15R, 16S, 18R, 19R, 26aS)-; FK-506 analogue; 37-Desmethylene 24,33-Bis-O-(tert-butyldimethylsilyl)-37-oxo Tacrolimus; 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-8-acetaldehyde, 5-[[(1, 1-dimethylethyl)dimethylsilyl]oxy]-3-[2-[4-[(1, 1-dimethylethyl)dimethylsilyl]-3-methoxycyclohexyl]-1-methylethenyl]-1, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 26a-docosahydro-19-hydroxy-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-1, 7, 20, 21-tetraoxo-, [3S-[3R*[E(1S*, 3S*, 4S*)], 4R*, 5R*, 8S*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*, 19S*, 26aR*]]-. Grades: ≥90%. CAS No. 155684-96-1. Molecular formula: C55H95NO13Si2. Mole weight: 1034.51. | |
| 3,7-Dimethyluric Acid | 3,7-Dimethyluric Acid is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Uses: 3,7-dimethyluric acid is caffeine metabolite which eliminates through urine. Synonyms: 7,9-Dihydro-3,7-dimethyl-1H-purine-2,6,8(3H)-trione; 8-Hydroxytheobromine; Ba 2754; Oxytheobromine; 3,7-Dimethyl-harnsaeure; 3,7-Dimethyl-2,6,8-trihydroxypurine; 3,7-dimethylurate; 3,7-Dimethyl-1H-purine-2,6,8(3H,7H,9H)-trione. Grades: 95%. CAS No. 13087-49-5. Molecular formula: C7H8N4O3. Mole weight: 196.16. | |
| 3a,4,5,6-Tetrahydro-1H,3H-naphtho[1,8-cd]pyran-1-one | 3a,4,5,6-Tetrahydro-1H,3H-naphtho[1,8-cd]pyran-1-one 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). Synonyms: 3a,4,5,6-tetrahydro-1H,3H-benzo[de]isochromen-1-one; 1H,3H-Naphtho[1,8-cd]pyran-1-one, 3a,4,5,6-tetrahydro-; Palonosetron Impurity 55. CAS No. 81603-30-7. Molecular formula: C12H12O2. Mole weight: 188.22. | |
| 3-acetamidophthalic acid | Apremilast Impurity 18 is an impurity of Apremilast, which is an oral phosphodiesterase 4 inhibitor used for treating psoriatic arthritis. Synonyms: 3-(Acetylamino)phthalic acid; 3-(Acetylamino)-1,2-benzenedicarboxylic Acid; 1,2-Benzenedicarboxylic acid, 3-(acetylamino)-. CAS No. 15371-06-9. Molecular formula: C10H9NO5. Mole weight: 223.18. | |
| 3α,5α-Tetrahydronorethisterone | 3α,5α-Tetrahydronorethisterone is a metabolite of Norethindrone, which is an oral contraceptive involved in the inhibition of cytosolic sulfotransferases. Synonyms: Norethindrone Impurity 5; (3α,5α,17α)-19-Norpregn-20-yne-3,17-diol; 19-Nor-5α,17α-pregn-20-yne-3α,17-diol; 17α-Ethynyl-5α-estrane-3α,17β-diol; 17α-Ethynyl-5α-oestrane-3α,17β-diol. Grades: ≥95%. CAS No. 16392-60-2. Molecular formula: C20H30O2. Mole weight: 302.45. | |
| (3alpha,5beta,6beta,7alpha)-6-Ethylcholane-3,7,24-triol | An impurity of BAR-501 which is a selective GPBAR1 agonist devoid of any FXR agonistic activity. Synonyms: (3R,5S,6S,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-17-[(2R)-5-hydroxypentan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol; (3R,5S,6S,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-17-[(2R)-5-hydroxypentan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol. CAS No. 1632118-70-7. Molecular formula: C26H46O3. Mole weight: 406.64. | |
| 3-Aminodihydrothiophen-2(3H)-one Hydrochloride | 3-Aminodihydrothiophen-2(3H)-one Hydrochloride (CAS# 6038-19-3) is a compound useful in organic synthesis. Uses: Radiation-protective agents. Synonyms: 3-amino-2-thiolanone;hydrochloride; 3-aminothiolan-2-one;hydrochloride. Grades: > 95 %. CAS No. 6038-19-3. Molecular formula: C4H8ClNOS. Mole weight: 153.63. | |
| (3aR,4S,7R,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione | Synonyms: exo-Hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione; exo-2,3-Norbornanedicarboximide; (1R,2S,6R,7S)-4-Azatricyclo[5.2.1.02,6]decane-3,5-dione; (3aR,4S,7R,7aS)-rel-Hexahydro-4,7-methano-1H-isoindole-1,3(2H)-dione; NSC 238001. Grades: >95%. CAS No. 14805-29-9. Molecular formula: C9H11NO2. Mole weight: 165.19. | |
| (3aR,7aR)-4'-(1,2-Benzisothiazol-3-yl)octahydro-spiro[2H-isoindole-2,1'-piperazinium] Methanesulfonate | Synonyms: (3aR,7aR)-4'-(Benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-2-ium methanesulfonate; (3aR-trans)-4'-(1,2-benzisothiazol-3-yl)octahydro-spiro[2H-isoindole-2,1'-piperazinium] Monomethanesulfonate; (3aR,7aR)-4'-(benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-1'-ium mesylate. Grades: ≥95%. CAS No. 186204-37-5. Molecular formula: C20H29N3O3S2. Mole weight: 423.59. | |
| (3aS,4R,9bR)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline | (3aS,4R,9bR)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline is a G-protein-coupled estrogen receptor antagonist designed for the treatment of estrogen-sensitive cancers. Synonyms: (3aS*,4R*,9bR*)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-3H-cyclopenta[c]quinoline; G-15; H37; LUCA15; RMB5; RNA binding motif protein 5; 1-AGPAT1. Grades: > 95%. CAS No. 1161002-05-6. Molecular formula: C19H16BrNO2. Mole weight: 370.25. | |
| (3β,5β,12β)-3-[2-[(5-Carboxypentyl)amino]-2-oxoethoxy]-12,14-dihydroxycard-20(22)-enolide | (3β,5β,12β)-3-[2-[(5-Carboxypentyl)amino]-2-oxoethoxy]-12,14-dihydroxycard-20(22)-enolide is an intermediate used in the synthesis of (3β,5β,12β)-3-[2-[[6-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]amino]-2-oxoethoxy]-12,14-dihydroxycard-20(22)-enolide, which is a digoxin cross-linking reagent. Synonyms: Card-20(22)-enolide, 3-[2-[(5-carboxypentyl)amino]-2-oxoethoxy]-12,14-dihydroxy-, (3β,5β,12β)-. CAS No. 129273-23-0. Molecular formula: C31H47NO8. Mole weight: 561.70. | |
| 3β-Ursodeoxycholic Acid | . Uses: It is used as an anticholelithogenic. Synonyms: (3β,5β,7β)-3,7-Dihydroxycholan-24-oic Acid; 3β,7β-Dihydroxy-5β-cholan-24-oic Acid; 3β,7β-Dihydroxy-5β-cholanic Acid; 3β,7β-Dihydroxy-5β-cholanoic Acid; Isoursodeoxycholic Acid; Ursodeoxycholic Acid EP Impurity H. CAS No. 78919-26-3. Molecular formula: C24H40O4. Mole weight: 392.57. | |
| 3-Bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one | 3-Bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one is one of loratadine intermediates. Loratadine is a nonsedating-type histamine H1-receptor antagonist used to treat allergies. Synonyms: 3-bromo-8-chloro-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridin-11-one; 11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one, 3-bromo-8-chloro-5,6-dihydro-. Grades: ≥95%. CAS No. 156073-28-8. Molecular formula: C14H9BrClNO. Mole weight: 322.58. | |
| (3-Carboxypropyl)triphenylphosphonium Bromide | (3-Carboxypropyl)triphenylphosphonium Bromide is a reagent used for the preparation of sphingosine 1-phosphate-1 receptor antagonists, as well as for the synthesis of mitochondrial vitamin E metabolites and other mitochondrial targets in the study of mitochodrial functions. Synonyms: (4-Hydroxy-4-oxobutyl)triphenylphosphonium Bromide; Phosphonium, (3-carboxypropyl)triphenyl-, bromide (1:1). Grades: ≥95%. CAS No. 17857-14-6. Molecular formula: C22H22BrO2P. Mole weight: 429.29. | |
| 3-Chloro-4-(pyridin-3-ylmethoxy)aniline | An impurity of Neratinib, which is an irreversible inhibitor of the HER-2 receptor tyrosine kinase with potential antineoplastic activity. Synonyms: 3-chloro-4-(pyridin-3-ylmethoxy)phenylamine; Benzenamine, 3-chloro-4-(3-pyridinylmethoxy)-. Grades: ≥95%. CAS No. 848134-24-7. Molecular formula: C12H11ClN2O. Mole weight: 234.68. | |
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