KSM'S

48 Results Found

Page 1 of 2
view as:  

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 : 1-Bromo-4-phenyl-2-butanone|31984-10-8

    Code: JCKSM-48
    CAS: 31984-10-8
    Chemical Formula:C10H11BrO
    Molecular Weight:227.1
    Category: KSM'S/Intermediates
    Literature:
    Application:  1-Bromo-4-phenyl-2-butanone|31984-10-8 is useful as reference Impurity standard.
    1-Bromo-4-phenyl-2-butanone|31984-10-8
  • Free

    Product Name : 2’, 3’, 4’-Trimethoxy acetophenone|13909-73-4

    Code: JCKSM-47
    CAS: 13909-73-4
    Chemical Formula:C11H14O4
    Molecular Weight:210.23
    Category: KSM'S/Intermediates
    Literature:
    Application:  2’, 3’, 4’-Trimethoxy acetophenone|13909-73-4 is useful as reference Impurity standard.
    2’, 3’, 4’-Trimethoxy acetophenone|13909-73-4
  • Free

    Product Name : 2’, 4’, 6’-Trimethoxyacetophenone|832-58-6

    Code: JCKSM-46
    CAS: 832-58-6
    Chemical Formula:C11H14O4
    Molecular Weight:210.23
    Category: KSM'S/Intermediates
    Literature:
    Application:  2’, 4’, 6’-Trimethoxyacetophenone|832-58-6 is useful as reference Impurity standard.
    2’, 4’, 6’-Trimethoxyacetophenone|832-58-6
  • Free

    Product Name : 2′,3′,4′-Trihydroxyacetophenone|528-21-2

    Code: JCKSM-45
    CAS: 528-21-2
    Chemical Formula:C8H8O4
    Molecular Weight:168.15
    Category: KSM'S/Intermediates
    Literature:
    Application:  2',3',4'-Trihydroxyacetophenone|528-21-2 is useful as reference Impurity standard.
    2',3',4'-Trihydroxyacetophenone|528-21-2
  • Free

    Product Name : 4’, 5’-Dimethyl-2’-hydroxyacetophenone|36436-65-4

    Code: JCKSM-44
    CAS: 36436-65-4
    Chemical Formula:C10H12O2
    Molecular Weight:164.2
    Category: KSM'S/Intermediates
    Literature:
    Application:  4’, 5’-Dimethyl-2’-hydroxyacetophenone|36436-65-4 is useful as reference Impurity standard.
    4’, 5’-Dimethyl-2’-hydroxyacetophenone|36436-65-4
  • Free

    Product Name : 5’-Chloro-2’-hydroxy-3’-nitroacetophenone|84942-40-5

    Code: JCKSM-43
    CAS: 84942-40-5
    Chemical Formula:C8H6ClNO4
    Molecular Weight:215.59
    Category: KSM'S/Intermediates
    Literature:
    Application:  5’-Chloro-2’-hydroxy-3’-nitroacetophenone|84942-40-5 is useful as reference Impurity standard.
    5’-Chloro-2’-hydroxy-3’-nitroacetophenone|84942-40-5
  • Free

    Product Name : 5’-Chloro-2’-hydroxy-4’-methylacetophenone|28480-70-8

    Code: JCKSM-42
    CAS: 28480-70-8
    Chemical Formula:C9H9ClO2
    Molecular Weight:184.62
    Category: KSM'S/Intermediates
    Literature:
    Application:   5’-Chloro-2’-hydroxy-4’-methylacetophenone|28480-70-8is useful as reference Impurity standard.
    5’-Chloro-2’-hydroxy-4’-methylacetophenone|28480-70-8
  • Free

    Product Name : 5’-Bromo-2’-hydroxy-3’-nitroacetophenone|70978-54-0

    Code: JCKSM-41
    CAS: 70978-54-0
    Chemical Formula:C8H6BrNO4
    Molecular Weight: 260.0
    Category: KSM'S/Intermediates
    Literature:
    Application:  5’-Bromo-2’-hydroxy-3’-nitroacetophenone|70978-54-0 is useful as reference Impurity standard.
    5’-Bromo-2’-hydroxy-3’-nitroacetophenone|70978-54-0
  • Free

    Product Name : 5’-Bromo-3’-chloro-2’-hydroxyacetophenone|59443-15-1

    Code: JCKSM-40
    CAS: 59443-15-1
    Chemical Formula:
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   is useful as reference Impurity standard.
    5’-Bromo-3’-chloro-2’-hydroxyacetophenone|59443-15-1
  • Free

    Product Name : N-Methyl-1-adamantylamine ;1-(Methylamino)adamantane | 3717-38-2

    Code: JCKSM-39
    CAS: 3717-38-2
    Chemical Formula:C11H19N
    Molecular Weight:165.28
    Category: KSM'S/Intermediats
    Literature:
    Application:  N-Methyl-1-adamantylamine ;1-(Methylamino)adamantane | 3717-38-2 is useful as reference Impurity standard.
    N-Methyl-1-adamantylamine ;1-(Methylamino)adamantane | 3717-38-2
  • Free

    Product Name : 1-​[3-​(Dimethylamino)​propyl]​-​3-​ethylurea; N-[3-(Dimethylamino)propyl]-N’-ethylurea; 1-Ethyl-3-(3-dimethylaminopropyl)urea; EDC Urea |32897-26-0

    Code: JCKSM-38
    CAS: 32897-26-0
    Chemical Formula:C8H19N3O
    Molecular Weight:173.26
    Category: KSM'S/Intermediates
    Literature:
    Application:   1-​[3-​(Dimethylamino)​propyl]​-​3-​ethylurea; N-[3-(Dimethylamino)propyl]-N'-ethylurea; 1-Ethyl-3-(3-dimethylaminopropyl)urea; EDC Urea |32897-26-0 is useful as reference Impurity standard.
    1-​[3-​(Dimethylamino)​propyl]​-​3-​ethylurea; N-[3-(Dimethylamino)propyl]-N'-ethylurea; 1-Ethyl-3-(3-dimethylaminopropyl)urea; EDC Urea  |32897-26-0
  • Free

    Product Name : 2-(Bromomethyl)Tetrahydro-2 H-Pyran |34723-82-5

    Code: JCKSM-37
    CAS: 34723-82-5
    Chemical Formula: C6H11BrO
    Molecular Weight: 179.05
    Category: KSM'S/Intermediates
    Literature:
    Application:  2-(Bromomethyl)Tetrahydro-2 H-Pyran |34723-82-5 is useful as reference Impurity standard.
    2-(Bromomethyl)Tetrahydro-2 H-Pyran  |34723-82-5
  • Free

    Product Name : Triethyl 1,3,5-Triazine-2,4,6-Tricarboxylate |898-22-6

    Code: JCKSM-36
    CAS: 898-22-6
    Chemical Formula: C12H15N3O6
    Molecular Weight: 297.26
    Category: KSM'S/Intermediats
    Literature:
    Application: Triethyl 1,3,5-Triazine-2,4,6-Tricarboxylate |898-22-6    is useful as reference Impurity standard.
    Triethyl 1,3,5-Triazine-2,4,6-Tricarboxylate |898-22-6
  • Free

    Product Name : 4-carboxybenzenesulfonyl azide; 4-(Azidosulfonyl)benzoic acid |17202-49-2

    Code: JCKSM-35
    CAS: 17202-49-2
    Chemical Formula:C7H5N3O4S
    Molecular Weight:227.2
    Category: KSM'S/Intermediates
    Literature:
    Application:  4-carboxybenzenesulfonyl azide; 4-(Azidosulfonyl)benzoic acid |17202-49-2 is useful as reference Impurity standard.
    4-carboxybenzenesulfonyl azide; 4-(Azidosulfonyl)benzoic acid  |17202-49-2
  • Free

    Product Name : 4-(Chlorosulfonyl)benzoic Acid; p-(Chlorosulfonyl)benzoic Acid; 4-Carboxybenzenesulfonyl Chloride; 4-Carboxyphenylsulfonyl Chloride; p-Carboxybenzenesulfonyl Chloride |10130-89-9

    Code: JCKSM-34
    CAS: 10130-89-9
    Chemical Formula:C7H5ClO4S
    Molecular Weight:220.63
    Category: KSM'S/Intermediates
    Literature:
    Application:  4-(Chlorosulfonyl)benzoic Acid; p-(Chlorosulfonyl)benzoic Acid; 4-Carboxybenzenesulfonyl Chloride; 4-Carboxyphenylsulfonyl Chloride; p-Carboxybenzenesulfonyl Chloride |10130-89-9 is useful as reference Impurity standard.
    4-(Chlorosulfonyl)benzoic Acid; p-(Chlorosulfonyl)benzoic Acid; 4-Carboxybenzenesulfonyl Chloride; 4-Carboxyphenylsulfonyl Chloride; p-Carboxybenzenesulfonyl Chloride  |10130-89-9
  • Free

    Product Name : 1-(chloromethyl)-4-ethoxybenzene |6653-80-1

    Code: JCKSM-33
    CAS: 6653-80-1
    Chemical Formula:C9H11OCl
    Molecular Weight:170.63
    Category: KSM'S/Intermediates
    Literature:
    Application:  1-(chloromethyl)-4-ethoxybenzene |6653-80-1 is useful as reference Impurity standard.
    1-(chloromethyl)-4-ethoxybenzene |6653-80-1
  • Free

    Product Name : 2,3-Dichloromaleic Anhydride ;3,4-Dichloro-2,5-furandione; 3,4-Dichloromaleic Anhydride; Dichloromaleic Acid Anhydride; |1122-17-4

    Code: JCKSM-32
    CAS: 1122-17-4
    Chemical Formula:C4Cl2O3
    Molecular Weight:166.95
    Category: KSM'S/Intermediates
    Literature:
    Application:  2,3-Dichloromaleic Anhydride ;3,4-Dichloro-2,5-furandione; 3,4-Dichloromaleic Anhydride; Dichloromaleic Acid Anhydride; |1122-17-4 is useful as reference Impurity standard.
    2,3-Dichloromaleic Anhydride ;3,4-Dichloro-2,5-furandione; 3,4-Dichloromaleic Anhydride; Dichloromaleic Acid Anhydride;   |1122-17-4
  • Free

    Product Name : 2-Methyl-4-quinolinol ;4-Hydroxy-2-methylquinoline |607-67-0

    Code: JCKSM-31
    CAS: 607-67-0
    Chemical Formula:C10H9NO
    Molecular Weight:159.19
    Category: KSM'S/Intermediates
    Literature:
    Application:  2-Methyl-4-quinolinol ;4-Hydroxy-2-methylquinoline |607-67-0 is useful as reference Impurity standard.
    2-Methyl-4-quinolinol ;4-Hydroxy-2-methylquinoline  |607-67-0
  • Free

    Product Name : 5-Bromo-2-methoxy-4,6-dimethylnicotinonitrile | 113893-02-0

    Code: JCKSM-30
    CAS: 113893-02-0
    Chemical Formula:C9H9N2OBr
    Molecular Weight: 241-08
    KSM'S/Intermediates
    Application:   5-Bromo-2-methoxy-4,6-dimethylnicotinonitrile | 113893-02-0 is useful as reference Impurity standard.
    5-Bromo-2-methoxy-4,6-dimethylnicotinonitrile  | 113893-02-0
  • Free

    Product Name : 4,6-DIMETHYL-2-OXO-1,2-DIHYDRO-3-PYRIDINECARBONITRILE ;3-Cyano-4,6-dimethyl-2-hydroxypyridine |769-28-8

    Code: JCKSM-29
    CAS: 769-28-8
    Chemical Formula:C8H8N2O
    Molecular Weight:148.16
    Category: KSM'S/Intermediates
    Literature:
    Application:   4,6-DIMETHYL-2-OXO-1,2-DIHYDRO-3-PYRIDINECARBONITRILE ;3-Cyano-4,6-dimethyl-2-hydroxypyridine |769-28-8 is useful as reference Impurity standard.
    4,6-DIMETHYL-2-OXO-1,2-DIHYDRO-3-PYRIDINECARBONITRILE ;3-Cyano-4,6-dimethyl-2-hydroxypyridine  |769-28-8
  • Free

    Product Name : 4-(Bromomethyl)tetrahydropyran; |125552-89-8

    Code: JCKSM-28
    CAS: 125552-89-8
    Chemical Formula:C6H11BrO
    Molecular Weight:179.05
    Category: KSM'S/Intermediates
    Literature:
    Application:   4-(Bromomethyl)tetrahydropyran; |125552-89-8 is useful as reference Impurity standard.
    4-(Bromomethyl)tetrahydropyran;  |125552-89-8
  • Free

    Product Name : Ethyl Benzimidate Hydrochloride; Benzenecarboximidic Acid Ethyl Ester Hydrochloride; Benzimidic Acid Ethyl Ester Hydrochloride; Benzimidoyl Ethyl Ether Hydrochloride; Ethyl benzenecarboximidate Hydrochloride; Ethyl Benzimidate Hydrochloride; Ethyl Iminobenzoate Hydrochloride |5333-86-8

    Code: JCKSM-27
    CAS: 5333-86-8
    Chemical Formula:C9H12ClNO
    Molecular Weight:185.65
    Category: KSM'S/Intermediates
    Literature:
    Application:  Ethyl Benzimidate Hydrochloride; Benzenecarboximidic Acid Ethyl Ester Hydrochloride; Benzimidic Acid Ethyl Ester Hydrochloride; Benzimidoyl Ethyl Ether Hydrochloride; Ethyl benzenecarboximidate Hydrochloride; Ethyl Benzimidate Hydrochloride; Ethyl Iminobenzoate Hydrochloride |5333-86-8 is useful as reference Impurity standard.
    Ethyl Benzimidate Hydrochloride; Benzenecarboximidic Acid Ethyl Ester Hydrochloride; Benzimidic Acid Ethyl Ester Hydrochloride; Benzimidoyl Ethyl Ether Hydrochloride; Ethyl benzenecarboximidate Hydrochloride; Ethyl Benzimidate Hydrochloride; Ethyl Iminobenzoate Hydrochloride  |5333-86-8
  • Free

    Product Name : Pyridin-4-ylmethanol hydrobromide; | 65737-59-9

    Code:  JCKSM-26
    CAS: 65737-59-9
    Chemical Formula:C6H8BrNO
    Molecular Weight:190.04
    Category: KSM'S/Intermediates
    Literature:
    Application:  Pyridin-4-ylmethanol hydrobromide; | 65737-59-9 is useful as reference Impurity standard.
    Pyridin-4-ylmethanol hydrobromide; | 65737-59-9
  • Free

    Product Name : 2-Ethoxycarbonylvinylboronic Acid Pinacol Ester; (E)-Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate; Ethyl (2E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate; Ethyl (E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-propenoate; | 1009307-13-4

    Code: JCKSM-25
    CAS: 1009307-13-4
    Chemical Formula: C11H19BO4
    Molecular Weight:226.08
    Category: KSM'S/Intermediates
    Literature:
    Application:   2-Ethoxycarbonylvinylboronic Acid Pinacol Ester; (E)-Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate; Ethyl (2E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate; Ethyl (E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-propenoate; | 1009307-13-4 is useful as reference Impurity standard.
    2-Ethoxycarbonylvinylboronic Acid Pinacol Ester; (E)-Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate;  Ethyl (2E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate; Ethyl (E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-propenoate; |  1009307-13-4
  • Free

    Product Name : 1-Bromo-3-hydroxynaphthalene, |5498-31-7

    Code: JCKSM-24
    CAS: 5498-31-7
    Chemical Formula: C10H7BrO
    Molecular Weight: 223.07
    Category:  KSM'S/Intermediates
    Literature:
    Application:   1-Bromo-3-hydroxynaphthalene, |5498-31-7 is useful as reference Impurity standard.
    1-Bromo-3-hydroxynaphthalene,  |5498-31-7
  • Free

    Product Name : Monoethyl Malonate; Malonic Acid Monoethyl Ester Monoethyl Hydrogen Malonate |1071-46-1

    Code: JCKSM-23
    CAS: 1071-46-1
    Chemical Formula:C5H8O4
    Molecular Weight:132.12
    Category: KSM'S/Intermediates
    Literature:
    Application:   Monoethyl Malonate Malonic Acid Monoethyl Ester Monoethyl Hydrogen Malonate |1071-46-1 is useful as reference Impurity standard.
    Monoethyl Malonate; Malonic Acid Monoethyl Ester Monoethyl Hydrogen Malonate  |1071-46-1
  • Free

    Product Name : 2-Ethylcyclohexanone |4423-94-3

    Code: JCKSM-22
    CAS: 4423-94-3
    Chemical Formula:C8H14O
    Molecular Weight:126.19
    Category: KSM'S/Intermediates
    Literature:
    Application:  2-Ethylcyclohexanone |4423-94-3 is useful as reference Impurity standard.
    2-Ethylcyclohexanone  |4423-94-3
  • Free

    Product Name : 2-Mercapto-6-methylpyridine; 6-Methyl-2(1H)-pyridinethione |18368-57-5

    Code: JCKSM-21
    CAS: 18368-57-5
    Chemical Formula:C6H7NS
    Molecular Weight: 125.19
    Category: KSM'S/Intermediates
    Literature:
    Application:   2-Mercapto-6-methylpyridine; 6-Methyl-2(1H)-pyridinethione |18368-57-5 is useful as reference Impurity standard.
    2-Mercapto-6-methylpyridine; 6-Methyl-2(1H)-pyridinethione  |18368-57-5
  • Free

    Product Name : N,N-Dimethyl-4-nitrosoaniline ;4-Nitroso-N,N-dimethylaniline| 138-89-6

    Code: JCKSM-20
    CAS: 138-89-6
    Chemical Formula:C8H10N2O
    Molecular Weight:150.18
    Category: KSM'S/Intermediates
    Literature:
    Application:  N,N-Dimethyl-4-nitrosoaniline ;4-Nitroso-N,N-dimethylaniline| 138-89-6 is useful as reference Impurity standard.
    N,N-Dimethyl-4-nitrosoaniline ;4-Nitroso-N,N-dimethylaniline| 138-89-6
  • Free

    Product Name : 2-Bromo-1-(4-diethylamino-phenyl)-ethanone |207986-25-2

    Code: JCKSM-19
    CAS: 207986-25-2
    Chemical Formula:C12H16NOBr
    Molecular Weight:270.16
    Category:KSM'S / Intermediates
    Literature:
    Application:  2-Bromo-1-(4-diethylamino-phenyl)-ethanone |207986-25-2 is useful as reference Impurity standard.
    2-Bromo-1-(4-diethylamino-phenyl)-ethanone |207986-25-2
  • Free

    Product Name : 5-(4-Fluorophenyl)-1H-pyrrole-3-carbaldehyde

    Code: JCKSM-18
    CAS: NA
    Chemical Formula:C11H8FNO
    Molecular Weight:189.19
    Category: KSM'S / Intermediates
    Literature:
    Application:  5-(4-Fluorophenyl)-1H-pyrrole-3-carbaldehyde is useful as reference Impurity standard.
    5-(4-Fluorophenyl)-1H-pyrrole-3-carbaldehyde
  • Free

    Product Name : Econazole EP Impurity B (Nitrate); Econazole BP Impurity B;Econazole USP RC B;(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate| 2334059-11-7

    Code: JCKSM-17
    CAS: 2334059-11-7
    Chemical Formula:C15H14Cl3NO (Base);C15H15Cl3N2O4 (Nitrate)
    Molecular Weight:330.64 ;393.65
    Category: KSM'S / Intermediates
    Literature:
    Application:  Econazole EP Impurity B (Nitrate); Econazole BP Impurity B;Econazole USP RC B;(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate| 2334059-11-7 is useful as reference Impurity standard.
    Econazole EP Impurity B (Nitrate); Econazole BP Impurity B;Econazole USP RC B;(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate| 2334059-11-7
  • Free

    Product Name : 1,3-Diphenylisobenzofuran |5471-63-6

    Code: JCKSM-16
    CAS: 5471-63-6
    Chemical Formula: C20H14O
    Molecular Weight:270.33
    Category: KSM'S / Intermediates
    Literature:
    Application:  1,3-Diphenylisobenzofuran |5471-63-6 is useful as reference Impurity standard.
    1,3-Diphenylisobenzofuran  |5471-63-6