Lorazepam and its Impurities

Lorazepam used commonly as a sedative and anxiolytic. It is a short-acting and rapidly cleared benzodiazepine. It is available as a generic medication. Reference standards of Lorazepam API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 21 results for Lorazepam Impurities
PA 12 0261001

6-Chloro-4-(2-chlorophenyl)-2-quinazoline- methanol

6-Chloro-4-(2-chlorophenyl)-2-quinazoline- methanol

  • Catalogue No.:PA 12 0261001

  • CAS :

    773871-49-1

  • Molecular Formula : C15H10Cl2N2O

  • Molecular Weight : 305.16

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PA 12 0261002

6-Chloro-4-(2-chlorophenyl)-2(1H)- quinazolinone

6-Chloro-4-(2-chlorophenyl)-2(1H)- quinazolinone

  • Catalogue No.:PA 12 0261002

  • CAS :

    23441-87-4

  • Molecular Formula : C14H8Cl2N2O

  • Molecular Weight : 291.13

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PA 12 0261005

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

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

  • Catalogue No.:PA 12 0261005

  • CAS :

    20927-55-3

  • Molecular Formula : C15H9ClN2O2

  • Molecular Weight : 284.7

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PA 12 26010

Lorazepam - Impurity A

(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone

  • Catalogue No.:PA 12 26010

  • CAS :

    2958-36-3

  • Molecular Formula : C13H9Cl2NO

  • Molecular Weight : 266.12

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PA 12 26030

Lorazepam - Impurity C

7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-4-oxide-2H-1,4- benzodiazepin-2-one

  • Catalogue No.:PA 12 26030

  • CAS :

    2955-37-5

  • Molecular Formula : C15H10Cl2N2O2

  • Molecular Weight : 321.16

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PA 12 26040

Lorazepam - Impurity D

7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-2H-1,4- benzodiazepin-2,3-(1H)-dione

  • Catalogue No.:PA 12 26040

  • CAS :

    54699-91-1

  • Molecular Formula : C15H10Cl2N2O2

  • Molecular Weight : 321.16

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PA 12 26050

Lorazepam - Impurity E

[6-Chloro-4-(2-chlorophenyl)-2-quinazolin]carboxaldehyde

  • Catalogue No.:PA 12 26050

  • CAS :

    93955-15-8

  • Molecular Formula : C15H8Cl2N2O

  • Molecular Weight : 303.14

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PA EPY0000718

Lorazepam impurity D (Y0000718)

Lorazepam impurity D (Y0000718)

  • Catalogue No.:PA EPY0000718

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PAI 12 009010

(E)-(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone Oxime

(E)-(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone Oxime

  • Catalogue No.:PAI 12 009010

  • CAS :

    NA

  • Molecular Formula : C13H10Cl2N2O

  • Molecular Weight : 281.14

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PAI 12 009020

2-(Amino(2-chlorophenyl)methyl)-4-chloroaniline

2-(Amino(2-chlorophenyl)methyl)-4-chloroaniline

  • Catalogue No.:PAI 12 009020

  • CAS :

    167961-68-4

  • Molecular Formula : C13H12Cl2N2

  • Molecular Weight : 267.15

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PAI 12 009021

2-Chloro-N-(4-chloro-2-(2-chlorobenzoyl)phenyl)acetamide

2-Chloro-N-(4-chloro-2-(2-chlorobenzoyl)phenyl)acetamide

  • Catalogue No.:PAI 12 009021

  • CAS :

    14405-03-9

  • Molecular Formula : C15H10Cl3NO2

  • Molecular Weight : 342.6

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PAI 12 009022

N-(4-Chloro-2-(2-chlorobenzoyl)phenyl)-2-iodoacetamide

N-(4-Chloro-2-(2-chlorobenzoyl)phenyl)-2-iodoacetamide

  • Catalogue No.:PAI 12 009022

  • CAS :

    152453-65-1

  • Molecular Formula : C15H10Cl2INO2

  • Molecular Weight : 434.05

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PAI 12 009023

N-(4-Chloro-2-(2-chlorobenzoyl)phenyl)-2-(hydroxyamino)acetamide

N-(4-Chloro-2-(2-chlorobenzoyl)phenyl)-2-(hydroxyamino)acetamide

  • Catalogue No.:PAI 12 009023

  • CAS :

    NA

  • Molecular Formula : C15H12Cl2N2O3

  • Molecular Weight : 339.17

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PA 12 26020

Lorazepam - Impurity B

(3RS)-7-Chloro-5-(2-chlorophenyl)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl acetate

  • Catalogue No.:PA 12 26020

  • CAS :

    2848-96-6

  • Molecular Formula : C17H12Cl2N2O3

  • Molecular Weight : 363.19

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PA 12 0261006

6-Chloro-4-(2-chlorophenyl)-2-quinazolinecarboxylic acid

6-Chloro-4-(2-chlorophenyl)-2-quinazolinecarboxylic acid

  • Catalogue No.:PA 12 0261006

  • CAS :

    54643-79-7

  • Molecular Formula : C15H8Cl2N2O2

  • Molecular Weight : 319.14

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PA 12 0261000

Lorazepam glucuronide

Lorazepam glucuronide

  • Catalogue No.:PA 12 0261000

  • CAS :

    32781-79-6

  • Molecular Formula : C21H18Cl2N2O8

  • Molecular Weight : 497.28

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PA 12 0261004

(S)-Lorazepam

(S)-Lorazepam

  • Catalogue No.:PA 12 0261004

  • CAS :

    110032-65-0

  • Molecular Formula : C15H10Cl2N2O2

  • Molecular Weight : 321.16

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PA 12 0261007

Lorazepam Dimer Impurity

Lorazepam Dimer Impurity

  • Catalogue No.:PA 12 0261007

  • CAS :

    NA

  • Molecular Formula : C30H19Cl3N4O4

  • Molecular Weight : 605.86

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PA STI 089910

Lorazepam D4

Lorazepam D4

  • Catalogue No.:PA STI 089910

  • CAS :

    84344-15-0

  • Molecular Formula : C15H6D4Cl2N2O2

  • Molecular Weight : 325.18

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PA IPRSL003

Lorazepam (IPRSL003)

Lorazepam (IPRSL003)

  • Catalogue No.:PA IPRSL003

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 12 0261008

N-Nitroso Lorazepam

N-Nitroso Lorazepam

  • Catalogue No.:PA 12 0261008

  • CAS :

    NA

  • Molecular Formula : C15H9Cl2N3O3

  • Molecular Weight : 350.16

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