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Pharmacopeial Impurities (EP / USP / BP)

Chlordiazepoxide EP impurity A

Reference StandardAvailable on request

Order Chlordiazepoxide EP impurity A (CAS 963-39-3) online at Zemixal: C15H11ClN2O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Chlordiazepoxide EP impurity A chemical structure
CAS number963-39-3
FormulaC15H11ClN2O2
Molar mass286.71 g/mol
Physical formSolid
HS code38229090
InChIKeyPSADRZMLSXCSAS-UHFFFAOYSA-N
IUPAC name7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one

About Chlordiazepoxide EP impurity A

Chlordiazepoxide EP impurity A is supplied by Zemixal as a characterised reference material for Chlordiazepoxide analysis. Identity at a glance (Reference Standard): CAS 963-39-3, formula C15H11ClN2O2 and molar mass 286.71 g/mol. It is handled as a solid.

Where it is used

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Chlordiazepoxide

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

Chlordiazepoxide standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Chlordiazepoxide EP impurity A
Product nameChlordiazepoxide EP impurity A
Catalogue numberZX-028556
CAS number963-39-3
IUPAC name7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one
Molecular formulaC15H11ClN2O2
Molar mass286.71 g/mol
Exact mass286.0509
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors1 / 3
Topological polar surface area52.9 Ų
HS code38229090
InChIKeyPSADRZMLSXCSAS-UHFFFAOYSA-N
SMILESC1C(=O)N=C2C=CC(=CC2=C(N1O)C3=CC=CC=C3)Cl
PubChem CID13756
SynonymsOxazepam EP Impurity E, Chlordiazepoxide - Impurity A, Oxazepam - Impurity E, Chlordiazepoxide lactam, 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2-one-4-oxide, Ro 5-2092 lactam, 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide, 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one-4-oxide, 7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide, Demossepam [DCIT], 7-Chloro-1,4-benzodiazepin-2-one 4-oxide, 7-Chloro-1,4-benzodiazepin-2-one-4-oxide

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 Chlordiazepoxide EP impurity A
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 Chlordiazepoxide EP impurity A

Which CAS number identifies Chlordiazepoxide EP impurity A?
Chlordiazepoxide EP impurity A is registered under CAS 963-39-3. You may also see it listed as Oxazepam EP Impurity E, Chlordiazepoxide - Impurity A, Oxazepam - Impurity E. Our catalogue number for this item is ZX-028556.
What are the formula and molar mass of Chlordiazepoxide EP impurity A?
For Chlordiazepoxide EP impurity A, its formula is C15H11ClN2O2 and its molar mass is 286.71 g/mol. The systematic (IUPAC) name is 7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one. InChIKey PSADRZMLSXCSAS-UHFFFAOYSA-N lets you match it in any structure database.
How is Chlordiazepoxide EP impurity A used in pharmaceutical QC?
Chlordiazepoxide EP impurity A is a characterised reference material linked to Chlordiazepoxide. 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 Chlordiazepoxide EP impurity A?
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 Chlordiazepoxide EP impurity A?
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 Chlordiazepoxide EP impurity A to my country?
Yes. Chlordiazepoxide EP impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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