Diazepam EP Impurity B

Name: Diazepam EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-025282

About Diazepam EP Impurity B

Diazepam EP Impurity B is a pharmacopeial impurity of Diazepam carrying the CAS registry number 6021-21-2. The compound has the formula C16H13Cl2NO2, corresponding to a molecular weight of 322.2 g/mol. The IUPAC name is N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methylacetamide. Alternative names: Diazepam - Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Diazepam impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Diazepam

View every impurity, metabolite and intermediate we list for Diazepam.

Diazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Diazepam EP Impurity B
Catalogue No.	VQ-025282
CAS Number	6021-21-2
IUPAC name	N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methylacetamide
Molecular formula	C₁₆H₁₃Cl₂NO₂
Molecular weight	322.2 g/mol
Exact mass	321.0323
Grade	Reference Standard
HSN code	38229090
InChIKey	DSAWUUVGNZAARH-UHFFFAOYSA-N
SMILES	CN(C1=C(C=C(C=C1)Cl)C(=O)C2=CC=CC=C2)C(=O)CCl
PubChem CID	80117

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	0 / 2
TPSA	37.4 Å²
Synonyms	Diazepam - Impurity B, Acetamide, N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methyl-, 2-chloro-N-[4-chloro-2-(phenylcarbonyl)phenyl]-N-methylacetamide, 2-Chloro-N-(4-chloro-2-benzoylphenyl)-N-methylacetamide, Acetamide,N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methyl-, 2(2-chloro-N-methylacetamido)-5-chlorobenzophenone, 2-(2-chloro-N-methylacetamido)-5-chlorobenzophenone, 5-Chloro-2-(2-chloro-N-methylacetamido)benzophenone, 2-(2-chloro-N-methyl-acetamido)-5-chlorobenzophenone, N-(2-benzoyl-4-chloro-phenyl)-2-chloro-N-methyl-acetamide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Diazepam EP Impurity B?

The CAS Registry Number of Diazepam EP Impurity B is 6021-21-2. It is also known as Diazepam - Impurity B, Acetamide, N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methyl-, 2-chloro-N-[4-chloro-2-(phenylcarbonyl)phenyl]-N-methylacetamide.

What is the molecular formula and molecular weight of Diazepam EP Impurity B?

Diazepam EP Impurity B has the molecular formula C16H13Cl2NO2 and a molecular weight of 322.2 g/mol. Its IUPAC name is N-(2-benzoyl-4-chlorophenyl)-2-chloro-N-methylacetamide.

What is Diazepam EP Impurity B used for?

Diazepam EP Impurity B is supplied as a characterised reference material related to Diazepam. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Diazepam EP Impurity B can I order?

We supply Diazepam EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diazepam EP Impurity B?

Yes. Every lot of Diazepam EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Diazepam EP Impurity B be shipped internationally?

Yes. Diazepam EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.