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Pharmacopeial Impurities (EP / USP / BP)

Cefotaxime EP Impurity A

Reference StandardAvailable on request

Order Cefotaxime EP Impurity A (CAS 65052-63-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Cefotaxime EP Impurity A chemical structure
CAS number65052-63-3
FormulaC14H15N5O5S2
Molar mass397.4 g/mol
Physical formSolid
HS code38229090
InChIKeyMQLRYUCJDNBWMV-GHXIOONMSA-N
IUPAC name(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

About Cefotaxime EP Impurity A

Cefotaxime EP Impurity A is supplied by Zemixal as a characterised reference material for Cefetamet analysis. For your records (Reference Standard), the material is defined by CAS 65052-63-3, formula C14H15N5O5S2 and molar mass 397.4 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

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Cefetamet

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

Cefetamet 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 Cefotaxime EP Impurity A
Product nameCefotaxime EP Impurity A
Catalogue numberZX-021115
CAS number65052-63-3
IUPAC name(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formulaC14H15N5O5S2
Molar mass397.4 g/mol
Exact mass397.0515
GradeReference Standard
Physical formSolid
XLogP3-0.7
H-bond donors / acceptors3 / 10
Topological polar surface area201 Ų
HS code38229090
InChIKeyMQLRYUCJDNBWMV-GHXIOONMSA-N
SMILESCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OC)/C3=CSC(=N3)N)SC1)C(=O)O
PubChem CID5487888
SynonymsCefetamet, Cefotaxime Sodium EP Impurity A, Cefotaxime Sodium - Impurity A, 2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido-3-desacetoxyceph-3-em-4-carboxylic acid, Cefetamet hydrochloride, Cepime O, Antibiotic Ro 15-8074

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Cefotaxime EP Impurity A
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 Cefotaxime EP Impurity A

Which CAS number identifies Cefotaxime EP Impurity A?
Cefotaxime EP Impurity A is registered under CAS 65052-63-3. You may also see it listed as Cefetamet, Cefotaxime Sodium EP Impurity A, Cefotaxime Sodium - Impurity A. Our catalogue number for this item is ZX-021115.
What are the formula and molar mass of Cefotaxime EP Impurity A?
For Cefotaxime EP Impurity A, its formula is C14H15N5O5S2 and its molar mass is 397.4 g/mol. The systematic (IUPAC) name is (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. InChIKey MQLRYUCJDNBWMV-GHXIOONMSA-N lets you match it in any structure database.
How is Cefotaxime EP Impurity A used in pharmaceutical QC?
Cefotaxime EP Impurity A is a characterised reference material linked to Cefetamet. 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 Cefotaxime EP Impurity A?
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 Cefotaxime EP Impurity A?
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 Cefotaxime EP Impurity A to my country?
Yes. Because Cefotaxime EP Impurity A 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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