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Pharmacopeial Impurities (EP / USP / BP)

Cefaclor EP Impurity G

Reference StandardAvailable on request

Order Cefaclor EP Impurity G (CAS 67308-21-8) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-020141.

Pack sizes
Cefaclor EP Impurity G chemical structure
CAS number67308-21-8
FormulaC16H17N3O4S
Molar mass347.4 g/mol
Physical formSolid
HS code38229090
InChIKeyLROYCRSHQNGOQU-XOGJBXBPSA-N
IUPAC name(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylidene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid

About Cefaclor EP Impurity G

Cefaclor EP Impurity G is supplied by Zemixal as a characterised reference material for Cefaclor analysis. Identity at a glance (Reference Standard): CAS 67308-21-8, formula C16H17N3O4S and molar mass 347.4 g/mol. It is handled as a solid.

Use cases we see most often

  • 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. Each lot travels with 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 Cefaclor

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

Cefaclor 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 Cefaclor EP Impurity G
Product nameCefaclor EP Impurity G
Catalogue numberZX-020141
CAS number67308-21-8
IUPAC name(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylidene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid
Molecular formulaC16H17N3O4S
Molar mass347.4 g/mol
Exact mass347.094
GradeReference Standard
Physical formSolid
XLogP3-1.5
H-bond donors / acceptors3 / 6
Topological polar surface area138 Ų
HS code38229090
InChIKeyLROYCRSHQNGOQU-XOGJBXBPSA-N
SMILESC=C1CS[C@@H]2[C@@H](C(=O)N2C1C(=O)O)NC(=O)[C@@H](C3=CC=CC=C3)N
PubChem CID129627287
SynonymsCefalexin EP Impurity G, Isocefalexine, Cefaclor - Impurity G, Isocefalexin

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 Cefaclor EP Impurity G
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 Cefaclor EP Impurity G

Which CAS number identifies Cefaclor EP Impurity G?
Cefaclor EP Impurity G is registered under CAS 67308-21-8. You may also see it listed as Cefalexin EP Impurity G, Isocefalexine, Cefaclor - Impurity G, Isocefalexin. Our catalogue number for this item is ZX-020141.
What are the formula and molar mass of Cefaclor EP Impurity G?
For Cefaclor EP Impurity G, its formula is C16H17N3O4S and its molar mass is 347.4 g/mol. The systematic (IUPAC) name is (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylidene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid. InChIKey LROYCRSHQNGOQU-XOGJBXBPSA-N lets you match it in any structure database.
How is Cefaclor EP Impurity G used in pharmaceutical QC?
Cefaclor EP Impurity G is a characterised reference material linked to Cefaclor. 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 Cefaclor EP Impurity G?
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 Cefaclor EP Impurity G?
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 Cefaclor EP Impurity G to my country?
Yes. Cefaclor EP Impurity G ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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