Temazepam-impurities | Pharmaffiliates

temazepam and its Impurities

A 3-hydroxy analogue of diazepam, Temazepam belongs to the benzodiazepine class of psychoactive drugs. It is an anti anxiety, anticonvulsant drug.Reference standards of Temazepam API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 13 results for temazepam Impurities
PA 20 08010

Temazepam - Impurity A

[5-Chloro-2-(methylamino)-phenyl]phenylmethanone


  • Catalogue No.:PA 20 08010

  • CAS :

    1022-13-5

  • Molecular Formula : C14H12ClNO

  • Molecular Weight : 245.70

PA 20 08050

Temazepam - Impurity E

7-Chloro-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide


  • Catalogue No.:PA 20 08050

  • CAS :

    2888-64-4

  • Molecular Formula : C16H13ClN2O2

  • Molecular Weight : 300.74

PAI 20 006010

2-Chloroacetamido-5-chlorobenzophenone

2-Chloroacetamido-5-chlorobenzophenone


  • Catalogue No.:PAI 20 006010

  • CAS :

    NA

  • Molecular Formula : C15H11Cl2NO2

  • Molecular Weight : 308.16

PAI 20 006030

3-Acetoxy-7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one

3-Acetoxy-7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one


  • Catalogue No.:PAI 20 006030

  • CAS :

    NA

  • Molecular Formula : C17H13ClN2O3

  • Molecular Weight : 328.75

PAI 20 006040

7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide

7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide


  • Catalogue No.:PAI 20 006040

  • CAS :

    NA

  • Molecular Formula : C15H11ClN2O2

  • Molecular Weight : 286.71

Temazepam impurity C (Y0000344)

Temazepam impurity C (Y0000344)


  • Catalogue No.:PA EPY0000344

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Temazepam impurity D (Y0000345)

Temazepam impurity D (Y0000345)


  • Catalogue No.:PA EPY0000345

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Temazepam impurity F (Y0000346)

Temazepam impurity F (Y0000346)


  • Catalogue No.:PA EPY0000346

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Temazepam impurity G (Y0000347)

Temazepam impurity G (Y0000347)


  • Catalogue No.:PA EPY0000347

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Temazepam Related Compound A (5-chloro-2-methylaminobenzophenone) (1644319)


  • Catalogue No.:PA USP1644319

  • CAS :

    1022-13-5

  • Molecular Formula :

  • Molecular Weight : NA

Temazepam Related Compound F (7-chloro-1-methyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dion (1644364)


  • Catalogue No.:PA USP1644364

  • CAS :

    3294-96-0

  • Molecular Formula :

  • Molecular Weight : NA

PA 20 0080060

Temazepam - Impurity F

(5RS)-7-Chloro-1-methyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione


  • Catalogue No.:PA 20 0080060

  • CAS :

    3294-96-0

  • Molecular Formula : C16H13ClN2O2

  • Molecular Weight : 300.74

PA 20 0080070

Temazepam - Impurity G

(5RS)-7-Chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione


  • Catalogue No.:PA 20 0080070

  • CAS :

    93329-92-1

  • Molecular Formula : C17H15ClN2O2

  • Molecular Weight : 314.77