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Pharmacopeial Impurities (EP / USP / BP)

Diazepam EP Impurity E

Reference StandardAvailable on request

Diazepam EP Impurity E (CAS 20927-53-1) supplier Zemixal: C15H11ClN2O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-024252.

Pack sizes
Diazepam EP Impurity E chemical structure
CAS number20927-53-1
FormulaC15H11ClN2O
Molar mass270.71 g/mol
Physical formSolid
HS code38229090
InChIKeyJSTXCWJWQKRPIU-UHFFFAOYSA-N
IUPAC name6-chloro-1-methyl-4-phenylquinazolin-2-one

About Diazepam EP Impurity E

Diazepam EP Impurity E is supplied by Zemixal as a characterised reference material for Diazepam analysis. For your records (Reference Standard), the material is defined by CAS 20927-53-1, formula C15H11ClN2O and molar mass 270.71 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Diazepam

See every impurity, metabolite and related compound we list for this API.

Diazepam standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Diazepam EP Impurity E
Product nameDiazepam EP Impurity E
Catalogue numberZX-024252
CAS number20927-53-1
IUPAC name6-chloro-1-methyl-4-phenylquinazolin-2-one
Molecular formulaC15H11ClN2O
Molar mass270.71 g/mol
Exact mass270.056
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors0 / 1
Topological polar surface area32.7 Ų
HS code38229090
InChIKeyJSTXCWJWQKRPIU-UHFFFAOYSA-N
SMILESCN1C2=C(C=C(C=C2)Cl)C(=NC1=O)C3=CC=CC=C3
PubChem CID63134
SynonymsDiazepam Impurity E, Diazepam - Impurity E, 2(1H)-Quinazolinone, 6-chloro-1-methyl-4-phenyl-, 6-Chloro-1-methyl-4-phenyl-2(1H)-quinazolinone, 1-Methyl-4-phenyl-6-chloro-2-quinazolinone, 6-chloro-1-methyl-4-phenylquinazolin-2(1H)-one, 6-chloro-1-methyl-4-phenyl-quinazolin-2-one, 6-chloro-n1-methyl-4-phenylquinazoline-2-one, 6-chloro-1-methyl-4-phenylhydroquinazolin-2-one, 6-chloro-1-methyl-4-phenyl-2-(1H)-quinazolinone, 6-Chloro-1-methyl-4-phenyl-2(1H)-quinazolinone #, 6-Chloro-1,2-dihydro-1-methyl-2-oxo-4-phenylquinazoline

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Diazepam EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Diazepam EP Impurity E

Which CAS number identifies Diazepam EP Impurity E?
Diazepam EP Impurity E is registered under CAS 20927-53-1. You may also see it listed as Diazepam Impurity E, Diazepam - Impurity E, 2(1H)-Quinazolinone, 6-chloro-1-methyl-4-phenyl-. Our catalogue number for this item is ZX-024252.
What are the formula and molar mass of Diazepam EP Impurity E?
For Diazepam EP Impurity E, its formula is C15H11ClN2O and its molar mass is 270.71 g/mol. The systematic (IUPAC) name is 6-chloro-1-methyl-4-phenylquinazolin-2-one. InChIKey JSTXCWJWQKRPIU-UHFFFAOYSA-N lets you match it in any structure database.
How is Diazepam EP Impurity E used in pharmaceutical QC?
Diazepam EP Impurity E is a characterised reference material linked to Diazepam. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Diazepam EP Impurity E?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Diazepam EP Impurity E?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Diazepam EP Impurity E to my country?
Yes. Diazepam EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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