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Pharmacopeial Impurities (EP / USP / BP)

Flumazenil EP Impurity B

Reference StandardAvailable on request

Flumazenil EP Impurity B (CAS 131666-45-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Flumazenil EP Impurity B chemical structure
CAS number131666-45-0
FormulaC15H15N3O4
Molar mass301.3 g/mol
Physical formSolid
HS code38229090
InChIKeyPCCARNSSXAGDHQ-UHFFFAOYSA-N
IUPAC nameethyl 8-hydroxy-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate

About Flumazenil EP Impurity B

Flumazenil EP Impurity B is supplied by Zemixal as a characterised reference material for Flumazenil analysis. Identity at a glance (Reference Standard): CAS 131666-45-0, formula C15H15N3O4 and molar mass 301.3 g/mol. It is handled as a solid.

Where it is used

  • 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. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Flumazenil

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

Flumazenil 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 Flumazenil EP Impurity B
Product nameFlumazenil EP Impurity B
Catalogue numberZX-024775
CAS number131666-45-0
IUPAC nameethyl 8-hydroxy-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate
Molecular formulaC15H15N3O4
Molar mass301.3 g/mol
Exact mass301.1063
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors1 / 5
Topological polar surface area84.7 Ų
HS code38229090
InChIKeyPCCARNSSXAGDHQ-UHFFFAOYSA-N
SMILESCCOC(=O)C1=C2CN(C(=O)C3=C(N2C=N1)C=CC(=C3)O)C
PubChem CID68172305
SynonymsFlumazenil Related Compound B, Flumazenil - Impurity B, Defluoro 8-Hydroxy Flumazenil (Impurity), Desfluoro hydroxyflumazenil

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 Flumazenil 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 Flumazenil EP Impurity B

Which CAS number identifies Flumazenil EP Impurity B?
Flumazenil EP Impurity B is registered under CAS 131666-45-0. You may also see it listed as Flumazenil Related Compound B, Flumazenil - Impurity B, Defluoro 8-Hydroxy Flumazenil (Impurity). Our catalogue number for this item is ZX-024775.
What are the formula and molar mass of Flumazenil EP Impurity B?
For Flumazenil EP Impurity B, its formula is C15H15N3O4 and its molar mass is 301.3 g/mol. The systematic (IUPAC) name is ethyl 8-hydroxy-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate. InChIKey PCCARNSSXAGDHQ-UHFFFAOYSA-N lets you match it in any structure database.
How is Flumazenil EP Impurity B used in pharmaceutical QC?
Flumazenil EP Impurity B is a characterised reference material linked to Flumazenil. 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 Flumazenil 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 Flumazenil 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 Flumazenil EP Impurity B to my country?
Yes. Flumazenil EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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