Clonazepam-impurities | Pharmaffiliates

clonazepam and its Impurities

Clonazepam is prescribed for short term management of epilepsy and panic disorder with or without agoraphobia. It is used to prevent and control seizures.. Reference standards of Clonazepam API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 16 results for clonazepam Impurities
PA 03 65010

Clonazepam - Impurity A

2-Amino-5-nitro-2'-chlorobenzophenone


  • Catalogue No.:PA 03 65010

  • CAS :

    2011-66-7

  • Molecular Formula : C13H9ClN2O3

  • Molecular Weight : 276.68

PA 03 65020

Clonazepam - Impurity B (Freebase)

3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one


  • Catalogue No.:PA 03 65020

  • CAS :

    55198-89-5

  • Molecular Formula : C15H10ClN3O3

  • Molecular Weight : 315.71

PA 03 65510

2-Chloro-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide

2-Chloro-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide


  • Catalogue No.:PA 03 65510

  • CAS :

    180854-85-7

  • Molecular Formula : C15H10Cl2N2O4

  • Molecular Weight : 353.16

PA 03 65520

2-Bromo-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide

2-Bromo-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide


  • Catalogue No.:PA 03 65520

  • CAS :

    52130-87-7

  • Molecular Formula : C15H10BrClN2O4

  • Molecular Weight : 397.61

PA STI 005590

3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone-d4 (Clonazepam Impurity)

3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone-d4 (Clonazepam Impurity)


  • Catalogue No.:PA STI 005590

  • CAS :

    1346604-43-0

  • Molecular Formula : C15H6D4ClN3O3

  • Molecular Weight : 319.74

PA STI 005620

7-Amino Clonazepam-13C2, 15N

7-Amino Clonazepam-13C2, 15N


  • Catalogue No.:PA STI 005620

  • CAS :

    2724540-78-5

  • Molecular Formula : C1313C2H12ClN215NO

  • Molecular Weight : 288.71

PA USP1140338

Clonazepam Related Compound B (2-Amino-2'-chloro-5-nitrobenzophenone) (1140338)

Clonazepam Related Compound B (2-Amino-2'-chloro-5-nitrobenzophenone) (1140338)


  • Catalogue No.:PA USP1140338

  • CAS :

    2011-66-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1140327

Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) (1140327)

Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) (1140327)


  • Catalogue No.:PA USP1140327

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1140349

Clonazepam Related Compound C (2-bromo-2'-(2-chlorobenzoyl)-4'-nitroacetanilide) (1140349)

Clonazepam Related Compound C (2-bromo-2'-(2-chlorobenzoyl)-4'-nitroacetanilide) (1140349)


  • Catalogue No.:PA USP1140349

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPC2385015

Clonazepam impurity B (C2385015)

Clonazepam impurity B (C2385015)


  • Catalogue No.:PA EPC2385015

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 03 0651000

2-Amino-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide

2-Amino-N-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide


  • Catalogue No.:PA 03 0651000

  • CAS :

    17714-02-2

  • Molecular Formula : C15H12ClN3O4

  • Molecular Weight : 333.73

PA 03 0651001

2,2'-Azanediylbis(N-(2-(2-chlorobenzoyl)-4-nitrophenyl)acetamide)

2,2'-Azanediylbis(N-(2-(2-chlorobenzoyl)-4-nitrophenyl)acetamide)


  • Catalogue No.:PA 03 0651001

  • CAS :

    191085-33-3

  • Molecular Formula : C30H21Cl2N5O8

  • Molecular Weight : 650.43

PA 03 0651002

(Z)-2-(((2-Amino-5-nitrophenyl)(2-chlorophenyl)methylene)amino)acetic Acid

(Z)-2-(((2-Amino-5-nitrophenyl)(2-chlorophenyl)methylene)amino)acetic Acid


  • Catalogue No.:PA 03 0651002

  • CAS :

    NA

  • Molecular Formula : C15H12ClN3O4

  • Molecular Weight : 333.73

PA 03 0651003

2-Hydroxypropyl 4-(2-chlorophenyl)-6-nitroquinazoline-2-carboxylate

2-Hydroxypropyl 4-(2-chlorophenyl)-6-nitroquinazoline-2-carboxylate


  • Catalogue No.:PA 03 0651003

  • CAS :

    NA

  • Molecular Formula : C18H14ClN3O5

  • Molecular Weight : 387.78

PA 03 0651004

Ethyl (Z)-2-(((2-amino-5-nitrophenyl)(2-chlorophenyl)methylene)amino)acetate

Ethyl (Z)-2-(((2-amino-5-nitrophenyl)(2-chlorophenyl)methylene)amino)acetate


  • Catalogue No.:PA 03 0651004

  • CAS :

    NA

  • Molecular Formula : C17H16ClN3O4

  • Molecular Weight : 361.78

PA 03 0651005

2-Chloro-N-(2-(2-chlorobenzoyl)-4-nitrophenyl)benzamide

2-Chloro-N-(2-(2-chlorobenzoyl)-4-nitrophenyl)benzamide


  • Catalogue No.:PA 03 0651005

  • CAS :

    24863-73-8

  • Molecular Formula : C20H12Cl2N2O4

  • Molecular Weight : 415.23