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Pharmacopeial Impurities (EP / USP / BP)

Cefixime EP Impurity B

Reference StandardAvailable on request

Cefixime EP Impurity B (CAS 1335475-19-8) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Cefixime EP Impurity B chemical structure
CAS number1335475-19-8
FormulaC15H17N5O6S2
Molar mass427.5 g/mol
Physical formSolid
HS code38229090
InChIKeyVGFXYCFOQOJNFI-FTDPZVIESA-N
IUPAC name2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]methylamino]-2-oxoethylidene]amino]oxyacetic acid

About Cefixime EP Impurity B

Cefixime EP Impurity B belongs to the Cefixime reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 1335475-19-8, formula C15H17N5O6S2 and molar mass 427.5 g/mol. It is handled as a solid.

Typical applications

  • 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. Every shipment includes 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 Cefixime

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

Cefixime 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 Cefixime EP Impurity B
Product nameCefixime EP Impurity B
Catalogue numberZX-028509
CAS number1335475-19-8
IUPAC name2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]methylamino]-2-oxoethylidene]amino]oxyacetic acid
Molecular formulaC15H17N5O6S2
Molar mass427.5 g/mol
Exact mass427.062
GradeReference Standard
Physical formSolid
XLogP30.8
H-bond donors / acceptors4 / 12
Topological polar surface area219 Ų
HS code38229090
InChIKeyVGFXYCFOQOJNFI-FTDPZVIESA-N
SMILESCC1C2=C(C(=O)O1)N[C@H](SC2)CNC(=O)/C(=N\OCC(=O)O)/C3=CSC(=N3)N
PubChem CID71314610
SynonymsCefixime - Impurity B

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 Cefixime 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 Cefixime EP Impurity B

Which CAS number identifies Cefixime EP Impurity B?
Cefixime EP Impurity B is registered under CAS 1335475-19-8. You may also see it listed as Cefixime - Impurity B. Our catalogue number for this item is ZX-028509.
What are the formula and molar mass of Cefixime EP Impurity B?
For Cefixime EP Impurity B, its formula is C15H17N5O6S2 and its molar mass is 427.5 g/mol. The systematic (IUPAC) name is 2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]methylamino]-2-oxoethylidene]amino]oxyacetic acid. InChIKey VGFXYCFOQOJNFI-FTDPZVIESA-N lets you match it in any structure database.
How is Cefixime EP Impurity B used in pharmaceutical QC?
Cefixime EP Impurity B is a characterised reference material linked to Cefixime. 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 Cefixime 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 Cefixime 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 Cefixime EP Impurity B to my country?
Yes. Cefixime 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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