KSM'S
100 Results Found
Page 1 of 4
KSM'S API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
-
Free
Product Name : 4-Azaphenanthrene;7,8-Benzoquinoline;α-Naphthoquinoline ;Benzo[h]quinoline/230-27-3
Code: JCKSM-98 CAS:230-27-3 Chemical Formula:C13H9N Molecular Weight:179.22 Category: KSM'S/Intermediates Literature: Application: ; Benzo[h]quinoline/230-27-3 is useful as reference Impurity standard ![4-Azaphenanthrene;7,8-Benzoquinoline;α-Naphthoquinoline ;Benzo[h]quinoline/230-27-3](https://drjcrbio.com/wp-content/uploads/Benzohquinoline.jpg)
-
Free
Product Name : 2-Bromo-3-methoxybenzoic acid/88377-29-1
Code: JCKSM-97 CAS:88377-29-1 Chemical Formula:C8H7BrO3 Molecular Weight:231.04 Category: KSM'S/Intermediates Literature: Application: 2-Bromo-3-methoxybenzoic acid/88377-29-10 is useful as reference Impurity standard 
-
Free
Product Name : 4-tert-Butylphenylboronic acid/123324-71-0
Code: JCKSM-96 CAS:123324-71-0 Chemical Formula:C10H15BO2 Molecular Weight:178.04 Category: KSM'S/Intermediates Literature: Application: 4-tert-Butylphenylboronic acid/123324-71-0 is useful as reference Impurity standard 
-
Free
Product Name : N,N-Dimethylhydroxylamine/5725-96-2
Code: JCBB1657 CAS:5725-96-2 Chemical Formula:C2H7NO Molecular Weight:61.08 Category: Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N,N-Dimethylhydroxylamine/5725-96-2 is useful as reference Impurity standard 
-
Free
Product Name : Methyl 4-bromo-2-fluoro-3-nitrobenzoat/1805190-07-1
Code: JCKSM-95 CAS:1805190-07-1 Chemical Formula:C8H5BrFNO4 Molecular Weight:278.03 Category: KSM'S/Intermediates Literature: Application: Methyl 4-bromo-2-fluoro-3-nitrobenzoat/1805190-07-1 is useful as reference Impurity standard 
-
Free
Product Name : phenanthren-2-ol;2-Phenanthrenol;2-HYDROXY-PHENANTHRENE/605-55-0
Code: JCKSM-94 CAS:605-55-0 Chemical Formula:C14H10O Molecular Weight:194.23 Category: KSM'S/Intermediates Literature: Application: 2-HYDROXY-PHENANTHRENE/605-55-0 is useful as reference Impurity standard 
-
Free
Product Name : 2-(4-Chlorophenyl)-4-thiazoleacetamide/17969-36-7
Code: JCKSM-93 CAS:17969-36-7 Chemical Formula:C11H9ClN2OS Molecular Weight:252.72 Category: KSM'S/Intermediates Literature: Application: 2-(4-Chlorophenyl)-4-thiazoleacetamide/17969-36-7 is useful as reference Impurity standard 
-
Free
Product Name : Ethyl 2-(4-chlorophenyl)-4-thiazoleacetate/20287-70-1
Code: JCKSM-92 CAS:20287-70-1 Chemical Formula:C13H12ClNO2S Molecular Weight:281.76 Category: KSM'S/Intermediates Literature: Application: Ethyl 2-(4-chlorophenyl)-4-thiazoleacetate/20287-70-1 is useful as reference Impurity standard 
-
Free
Product Name : Methyl 4-bromo-1H-pyrazole-3-carboxylate/81190-89-8
Code: JCKSM-91 CAS:81190-89-8 Chemical Formula:C5H5BrN2O2 Molecular Weight:205.01 Category: KSM'S/Intermediates Literature: Application: Methyl 4-bromo-1H-pyrazole-3-carboxylate/81190-89-8-41-0 is useful as reference Impurity standard 
-
Free
Product Name : 5-bromo-2-(4-fluoro-phenoxy)-benzaldehyde/1160655-44-6
Code: JCKSM-90 CAS:1160655-44-6 Chemical Formula:C13H8BrFO2 Molecular Weight:295.10 Category: KSM'S/Intermediates Literature: Application: 5-bromo-2-(4-fluoro-phenoxy)-benzaldehyde/1160655-44-6 is useful as reference Impurity standard 
-
Free
Product Name : Benzoic acid, 5-bromo-2-(4-fluorophenoxy)/1711811-91-4
Code: JCKSM-89 CAS:1711811-91-4 Chemical Formula:C13H8BrFO3 Molecular Weight:311.1 Category: KSM'S/Intermediates Literature: Application: Benzoic acid, 5-bromo-2-(4-fluorophenoxy)/1711811-91-4 is useful as reference Impurity standard 
-
Free
Product Name : Benzoic acid, 5-bromo-2-(4-fluorophenoxy)-, methyl ester/2230050-49-2
Code: JCKSM-88 CAS:2230050-49-2 Chemical Formula:C14H10BrFO3 Molecular Weight:325.13 Category: KSM'S/Intermediates Literature: Application: Benzoic acid, 5-bromo-2-(4-fluorophenoxy)-, methyl ester/2230050-49-2 is useful as reference Impurity standard 
-
Free
Product Name : 2,4-Pyrimidinediamine, 6-(cyclohexyloxy)/1516519-35-9
Code: JCKSM-87 CAS:1516519-35-9 Chemical Formula:C10H16N4O Molecular Weight:208.26 Category: KSM'S/Intermediates Literature: Application: 2,4-Pyrimidinediamine, 6-(cyclohexyloxy)/1516519-35-9 is useful as reference Impurity standard 
-
Free
Product Name : 2,4-Pyrimidinediamine, 6-(cyclohexyloxy)-5-nitroso/1104608-06-1
Code: JCKSM-86 CAS:1104608-06-1 Chemical Formula:C10H15N5O2 Molecular Weight:237.26 Category: KSM'S/Intermediates Literature: Application: 2,4-Pyrimidinediamine, 6-(cyclohexyloxy)-5-nitroso/1104608-06-1 is useful as reference Impurity standard 
-
Free
Product Name : Tetrachlorohydroquinone/87-87-6
Code: JCKSM-85 CAS:87-87-6 Chemical Formula:C6H2Cl4O2 Molecular Weight:247.88 Category: KSM'S/Intermediates Literature: Application: Tetrachlorohydroquinone/7-87-6 is useful as reference Impurity standard 
-
Free
Product Name : 2-(benzyloxy)ethyl methanesulfonate /58841-52-4
Code: JCKSM-84 CAS:58841-52-4 Chemical Formula:C10H14O4S Molecular Weight:230.28 Category: KSM'S/Intermediates Literature: Application: 2-(benzyloxy)ethyl methanesulfonate /58841-52-4 is useful as reference Impurity standard 
-
Free
Product Name : 7-Methyl-1-tetralone/22009-37-6
Code: JCKSM-83 CAS:22009-37-6 Chemical Formula:C11H12O Molecular Weight:160.22 Category: KSM'S/Intermediates Literature: Application: 7-Methyl-1-tetralone/22009-37-6 is useful as reference Impurity standard 
-
Free
Product Name : 2-CHLORO-3-IODOPYRIDIN-4-AMINE;2-Chloro-3-iodo-4-aminopyridine/909036-46-0
Code: JCKSM-82 CAS:909036-46-0 Chemical Formula:C5H4ClIN2 Molecular Weight:254.46 Category: KSM'S/Intermediates Literature: Application: 2-Chloro-3-iodo-4-aminopyridine/909036-46-0 is useful as reference Impurity standard 
-
Free
Product Name : Methyl Azetidine-3-carboxylate Hydrochloride/100202-39-9
Code: JCKSM-81 CAS:100202-39-9 Chemical Formula:C5H9NO2·HCl Molecular Weight:151.59 Category: KSM'S/Intermediates Literature: Application: Methyl Azetidine-3-carboxylate Hydrochloride/100202-39-9 is useful as reference Impurity standard 
-
Free
Product Name : 1,5-Diphenylpenta-1,4-dien-3-one/538-58-9
Code: JCKSM-80 CAS:538-58-9 Chemical Formula:C17H14O Molecular Weight:234.29 Category: KSM'S/Intermediates Literature: Application: 1,5-Diphenylpenta-1,4-dien-3-one/538-58-9 is useful as reference Impurity standard 
-
Free
Product Name : (2R,8aS)-(+)-(Camphorylsulfonyl)oxaziridine [Asymmetric Oxidizing Reagent]/104322-63-6
Code: JCKSM-79 CAS:104322-63-6 Chemical Formula:C10H15NO3S Molecular Weight:229.29 Category: KSM'S/Intermediates Literature: Application: (2R,8aS)-(+)-(Camphorylsulfonyl)oxaziridine [Asymmetric Oxidizing Reagent]/104322-63-6 is useful as reference Impurity standard ![(2R,8aS)-(+)-(Camphorylsulfonyl)oxaziridine [Asymmetric Oxidizing Reagent]/104322-63-6](https://drjcrbio.com/wp-content/uploads/2R8aS-Camphorylsulfonyloxaziridine.jpg)
-
Free
Product Name : Tioxolone;6-HYDROXY-1,3-BENZOXATHIOL-2-ONE;Trocinate;ol110;Camyna;Stepin;Acnosan;Thiphen;tioxolon;thidoxol;ioxolone/4991-65-5
Code: JCKSM-78 CAS:4991-65-5 Chemical Formula:C7H4O3S Molecular Weight:168.17 Category: KSM'S/Intermediates Literature: Application: Tioxolone/4991-65-5 is useful as reference Impurity standard 
-
Free
Product Name : 2-Amino-3,5-dibromopyrazine;5-dibromo-2-aminopyrazine;3,5-dibromo-2-Pyrazinamine/24241-18-7
Code: JCKSM-77 CAS:24241-18-7 Chemical Formula:C4H3Br2N3 Molecular Weight:252.89 Category: KSM'S/Intermediates Literature: Application: 3,5-dibromo-2-Pyrazinamine/24241-18-7 is useful as reference Impurity standard 
-
Free
Product Name : 2-AMINO-3,5-DICHLOROPYRAZINE;3,5-dichloropyrazin-2-aMine;3,5-Dichloro-pyrazin-2-ylamine/873-42-7
Code: JCKSM-76 CAS: 873-42-7 Chemical Formula:C4H3Cl2N3 Molecular Weight: 163.99 Category: KSM'S/Intermediates Literature: Application: 3,5-Dichloro-pyrazin-2-ylamine/873-42-7 is useful as reference Impurity standard 
-
Free
Product Name : BROMOPYRAZINAMINE;2-Amino-5-bromopyraz/59489-71-3
Code: JCKSM-75 CAS: 59489-71-3 Chemical Formula: C4H4BrN3 Molecular Weight: 174.00 Category: KSM'S/Intermediates Literature: Application: BROMOPYRAZINAMINE;2-Amino-5-bromopyraz/59489-71-3 is useful as reference Impurity standard 
-
Free
Product Name : 2-Amino-5-chloropyrazine/33332-29-5
Code: JCKSM-74 CAS: 33332-29-5 Chemical Formula: C4H4ClN3 Molecular Weight:129.55 Category: KSM'S/Intermediates Literature: Application: 2-Amino-5-chloropyrazine/33332-29-5 is useful as reference Impurity standard 
-
Free
Product Name : 5-Bromo-1-chloro-2-fluoro-3-nitrobenzene/1435806-75-9
Code: JCKSM-73 CAS: 1435806-75-9 Chemical Formula: C6H2BrClFNO2 Molecular Weight:254.44 Category: KSM'S/Intermediates Literature: Application: 5-Bromo-1-chloro-2-fluoro-3-nitrobenzene/1435806-75-9 is useful as reference Impurity standard 
-
Free
Product Name : 1-[(4-Methylphenyl)sulfonyl]-1H-imidazole;Tolylsulfonyl)imidazole;1-(PARA-TOLUENESULPHONYL)IMIDAZOLE/2232-08-8
Code: JCKSM-72 CAS:2232-08-8 Chemical Formula:C10H10N2O2S Molecular Weight:222.26 Category: KSM'S/Intermediates Literature: Application: 1-[(4-Methylphenyl)sulfonyl]-1H-imidazole;Tolylsulfonyl)imidazole/2232-08-8 is useful as reference Impurity standard ![1-[(4-Methylphenyl)sulfonyl]-1H-imidazole;Tolylsulfonyl)imidazole;1-(PARA-TOLUENESULPHONYL)IMIDAZOLE/2232-08-8](https://drjcrbio.com/wp-content/uploads/1-4-Methylphenylsulfonyl-1H-imidazole-3.jpg)
-
Free
Product Name : 4-(2-Amino-1-(1-hydroxycyclohexyl)ethyl)phenol;Desvenlafaxine N,N-Didesmethyl Impurity/149289-29-2
Code: JCKSM-71 CAS:149289-29-2 Chemical Formula: C14H21NO2 Molecular Weight: 235.3 Category: KSM'S/Intermediates Literature: Application: Desvenlafaxine N,N-Didesmethyl Impurity/149289-29-2 is useful as reference Impurity standard 
-
Free
Product Name : 3-Azidophenol/51642-25-2
Code: JCKSM-70 CAS:51642-25-2 Chemical Formula: C6H5N3O Molecular Weight: 135.12 Category: KSM'S/Intermediates Literature: Application:3-Azidophenol/51642-25-2 is useful as reference Impurity standard. 
-
Free
Product Name : 2,2,2-Trifluoro-N’-(2,2,2-trifluoroacetyl)acetohydrazide/667-35-6
Code: JCKSM-69 CAS:667-35-6 Chemical Formula:C4H2F6N2O2 Molecular Weight: 224.06 Category: KSM'S/Intermediates Literature: Application: 2,2,2-Trifluoro-N’-(2,2,2-trifluoroacetyl)acetohydrazide/667-35-6 is useful as reference Impurity standard. 
-
Free
Product Name : Trichlormethine Hydrochloride/817-09-4
Code: JCKSM-68 CAS:817-09-4,555-77-1(free base) Chemical Formula:C6H12Cl3N : HCl Molecular Weight: 204.5 : 36.5 Category: KSM'S/Intermediates Literature: Application: vortioxetine Reference Standards;Trichlormethine Hydrochloride/817-09-4 is useful as reference Impurity standard. 
-
Free
Product Name : 2-Ethoxyethyl methanesulfonate/98139-68-5
Code: JCKSM-67 CAS:235097-76-4 Chemical Formula:C5H12O4S Molecular Weight: 168.21 Category: KSM'S/Intermediates Literature: Application: 2-Ethoxyethyl methanesulfonate/98139-68-5 is useful as reference Impurity standard. 
