Skip to Content
Merck
All Photos(1)

Key Documents

1370349

USP

Lorazepam Related Compound C

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

6-Chloro-4-(2-chlorophenyl)-2-quinazolinecarboxaldehyde

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C15H8Cl2N2O
CAS Number:
Molecular Weight:
303.14
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

lorazepam

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Clc1ccc2nc(C=O)nc(-c3ccccc3Cl)c2c1

InChI

1S/C15H8Cl2N2O/c16-9-5-6-13-11(7-9)15(19-14(8-20)18-13)10-3-1-2-4-12(10)17/h1-8H

InChI key

VUUITUUENPOMIU-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Lorazepam Related Compound C USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Lorazepam Oral Concentrate
  • Lorazepam Injection
  • Lorazepam
  • Lorazepam Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 4 - Eye Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Lorazepam Tablets
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 33(3), 2684-2684 (2023)
Lorazepam Injection
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(6), 2682-2682 (2018)
Lorazepam Oral Concentrate
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(3), 2683-2683 (2017)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service