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Pharmacopeial Impurities (EP / USP / BP)

Cefalotin EP Impurity B

Reference StandardAvailable on request

Cefalotin EP Impurity B (CAS 5935-65-9) supplier Zemixal: C14H14N2O5S2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-023817.

Pack sizes
Cefalotin EP Impurity B chemical structure
CAS number5935-65-9
FormulaC14H14N2O5S2
Molar mass354.4 g/mol
Physical formSolid
HS code38229090
InChIKeyHTBAVMIGXROYPQ-ZWNOBZJWSA-N
IUPAC name(6R,7R)-3-(hydroxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

About Cefalotin EP Impurity B

Cefalotin EP Impurity B belongs to the Cefalotin reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 5935-65-9, formula C14H14N2O5S2 and molar mass 354.4 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

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 Cefalotin

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

Cefalotin 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 Cefalotin EP Impurity B
Product nameCefalotin EP Impurity B
Catalogue numberZX-023817
CAS number5935-65-9
IUPAC name(6R,7R)-3-(hydroxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formulaC14H14N2O5S2
Molar mass354.4 g/mol
Exact mass354.0344
GradeReference Standard
Physical formSolid
XLogP3-0.3
H-bond donors / acceptors3 / 7
Topological polar surface area160 Ų
HS code38229090
InChIKeyHTBAVMIGXROYPQ-ZWNOBZJWSA-N
SMILESC1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CS3)C(=O)O)CO
PubChem CID93015
SynonymsCefalotin EP Impurity B acid, Cephalothin Sodium - Impurity B, Desacetylcephalothin, deacetylcephalothin, Cefalonium Impurity B, 3-Hydroxymethyl-7-(2-thienylacetamide)-3-cephem-4-carboxylic acid, (6R,7R)-3-hydroxymethyl-7-(2-thienylacetamido)ceph-3-em-4-carboxylic acid, 3-Hydroxymethyl-7beta-(2'-thienylacetamido)ceph-3-em-4-carboxylic acid, 7beta-[2-(2-thienyl)acetamido]-3-hydroxymethyl-3-cephem-4-carboxylic acid, (6R,7R)-3-Hydroxymethyl-7-(thien-2-ylacetamido)ceph-3-em-4-carboxylic acid

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 Cefalotin 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 Cefalotin EP Impurity B

Which CAS number identifies Cefalotin EP Impurity B?
Cefalotin EP Impurity B is registered under CAS 5935-65-9. You may also see it listed as Cefalotin EP Impurity B acid, Cephalothin Sodium - Impurity B, Desacetylcephalothin. Our catalogue number for this item is ZX-023817.
What are the formula and molar mass of Cefalotin EP Impurity B?
For Cefalotin EP Impurity B, its formula is C14H14N2O5S2 and its molar mass is 354.4 g/mol. The systematic (IUPAC) name is (6R,7R)-3-(hydroxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. InChIKey HTBAVMIGXROYPQ-ZWNOBZJWSA-N lets you match it in any structure database.
How is Cefalotin EP Impurity B used in pharmaceutical QC?
Cefalotin EP Impurity B is a characterised reference material linked to Cefalotin. 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 Cefalotin 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 Cefalotin 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 Cefalotin EP Impurity B to my country?
Yes. Cefalotin 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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