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Pharmacopeial Impurities (EP / USP / BP)

Chlordiazepoxide EP Impurity B

Reference StandardAvailable on request

Order Chlordiazepoxide EP Impurity B (CAS 5958-24-7) online at Zemixal: C15H10Cl2N2O, COA and SDS with every lot, worldwide shipping.

Pack sizes
Chlordiazepoxide EP Impurity B chemical structure
CAS number5958-24-7
FormulaC15H10Cl2N2O
Molar mass305.2 g/mol
Physical formSolid
HS code38229090
InChIKeyKFDNKXWSTFABQT-UHFFFAOYSA-N
IUPAC name6-chloro-2-(chloromethyl)-3-oxido-4-phenylquinazolin-3-ium

About Chlordiazepoxide EP Impurity B

Analytical teams working on Chlordiazepoxide use Chlordiazepoxide EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 5958-24-7, formula C15H10Cl2N2O and molar mass 305.2 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

Storage and safety notes

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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 B
Product nameChlordiazepoxide EP Impurity B
Catalogue numberZX-028462
CAS number5958-24-7
IUPAC name6-chloro-2-(chloromethyl)-3-oxido-4-phenylquinazolin-3-ium
Molecular formulaC15H10Cl2N2O
Molar mass305.2 g/mol
Exact mass304.017
GradeReference Standard
Physical formSolid
XLogP33.3
H-bond donors / acceptors0 / 2
Topological polar surface area38.4 Ų
HS code38229090
InChIKeyKFDNKXWSTFABQT-UHFFFAOYSA-N
SMILESC1=CC=C(C=C1)C2=[N+](C(=NC3=C2C=C(C=C3)Cl)CCl)[O-]
PubChem CID112828
SynonymsQuinozoline Impurity B, Chlordiazepoxide - Impurity B, 6-chloro-2-(chloromethyl)-4-phenylquinazoline 3-oxide, 2-Chloromethyl-4-phenyl-6-chloroquinazoline-3-oxide, 6-chloro-2-(chloromethyl)-4-phenyl-quinazoline, 6-Chloro-2-chloromethyl-4-phenylquinazoline 3-oxide, Quinazoline, 6-chloro-2-(chloromethyl)-4-phenyl-, 3-oxide, 6-Chloro-2-(chloromethyl)-4-phenylquinazoline-3-oxide, 6-Chloro-2-(chloromethyl)-3-oxido-4-phenyl-quinazoline, 6-Chloro-2-(chloromethyl)-3-oxo-4-phenyl-3lambda~5~-quinazoline

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Chlordiazepoxide EP Impurity B
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 B

Which CAS number identifies Chlordiazepoxide EP Impurity B?
Chlordiazepoxide EP Impurity B is registered under CAS 5958-24-7. You may also see it listed as Quinozoline Impurity B, Chlordiazepoxide - Impurity B, 6-chloro-2-(chloromethyl)-4-phenylquinazoline 3-oxide. Our catalogue number for this item is ZX-028462.
What are the formula and molar mass of Chlordiazepoxide EP Impurity B?
For Chlordiazepoxide EP Impurity B, its formula is C15H10Cl2N2O and its molar mass is 305.2 g/mol. The systematic (IUPAC) name is 6-chloro-2-(chloromethyl)-3-oxido-4-phenylquinazolin-3-ium. InChIKey KFDNKXWSTFABQT-UHFFFAOYSA-N lets you match it in any structure database.
How is Chlordiazepoxide EP Impurity B used in pharmaceutical QC?
Chlordiazepoxide EP Impurity B 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 B?
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 B?
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 B to my country?
Yes. Because Chlordiazepoxide EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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