Category
Lorazepam
CAS Number
STD- 846-49-1: IMP-B(RC-A)- 2848-96-6: IMP-D- 54699-91-1
Molecular Formula
STD- C15H10Cl2N2O2: IMP-B(RC-A)- C17H12Cl2N2O3: IMP-D- C15H10Cl2N2O2
Molecular Weight
STD- 321.2: IMP-B(RC-A)- 363.2: IMP-D- 321.2
Synonym

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

Lorazepam EP Impurity B ((3RS)-7-Chloro-5-(2-chlorophenyl)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl acetate; Losartan USP Related Compound A)

Lorazepam EP Impurity D ((5RS)-7-Chloro-5-(2-chlorophenyl)-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione)

Lorazepam for system suitability CRS

Lorazepam for system suitability CRS is a certified reference standard used to verify system performance during chromatographic analysis. It ensures compliance with USP/EP methods by confirming parameters such as resolution, retention time, and peak shape, supporting accurate Lorazepam assay and impurity analysis during method validation, routine QC, and regulatory submissions.