Skip to Content
Merck
All Photos(1)

Documents

1140338

USP

Clonazepam Related Compound B

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2-Amino-2′-chloro-5-nitrobenzophenone, (2-Amino-5-nitrophenyl)(2-chlorophenyl)methanone

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C13H9ClN2O3
CAS Number:
Molecular Weight:
276.68
Beilstein:
2814216
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

clonazepam

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Nc1ccc(cc1C(=O)c2ccccc2Cl)[N+]([O-])=O

InChI

1S/C13H9ClN2O3/c14-11-4-2-1-3-9(11)13(17)10-7-8(16(18)19)5-6-12(10)15/h1-7H,15H2

InChI key

GRDGBWVSVMLKBV-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Clonazepam Related Compound B 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:
  • Clonazepam
  • Clonazepam Orally Disintegrating Tablets
  • Clonazepam 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.

Storage Class Code

11 - Combustible Solids

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

Gas chromatographic determination of clonazepam.
P Larking
Journal of chromatography, 221(2), 399-402 (1980-12-12)
J C Spell et al.
Journal of pharmaceutical and biomedical analysis, 18(3), 453-460 (1999-03-30)
A stability indicating, reversed phase high-performance liquid chromatographic method utilizing a smallbore HPLC column has been developed for the determination of clonazepam in a commercial tablet dosage form. The use of a small bore column results in a substantial solvent

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