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 17 results for clonazepam Impurities
PA 03 65000

Clonazepam - API

Clonazepam

Controlled Substance


  • Catalogue No.:PA 03 65000

  • CAS :

    1622-61-3

  • Molecular Formula : C15H10ClN3O3

  • Molecular Weight : 315.71

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

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


  • 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)


  • Catalogue No.:PA STI 005590

  • CAS :

    1346604-43-0

  • Molecular Formula : C15H6D4ClN3O3

  • Molecular Weight : 319.74

PA STI 005620

7-Amino Clonazepam-13C2, 15N


  • Catalogue No.:PA STI 005620

  • CAS :

    NA

  • Molecular Formula : C1313C2H12ClN215NO

  • Molecular Weight : 288.71

PA USP1140305

Clonazepam CIV (1140305)


  • Catalogue No.:PA USP1140305

  • CAS :

    1622-61-3

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1140338

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


  • Catalogue No.:PA USP1140338

  • CAS :

    2011-66-7

  • Molecular Formula :

  • Molecular Weight : NA

PA BP484RB

clonazepam (484RB)


  • Catalogue No.:PA BP484RB

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1140327

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


  • Catalogue No.:PA USP1140327

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1140349

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


  • Catalogue No.:PA USP1140349

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPC2385000

Clonazepam - * psy (C2385000)


  • Catalogue No.:PA EPC2385000

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPC2385015

Clonazepam impurity B (C2385015)


  • Catalogue No.:PA EPC2385015

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0000286

Clonazepam - reference spectrum (Y0000286)


  • Catalogue No.:PA EPY0000286

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 124 12

Clonazepam (IPRS/124/12)


  • Catalogue No.:PA IPIPRS 124 12

  • CAS :

    NA

  • Molecular Formula :

  • 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