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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Cefotaxime EP Impurity A

Synonyms: Cefetamet · Cefotaxime Sodium EP Impurity A · Cefotaxime Sodium - Impurity A · 2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido-3-desacetoxyceph-3-em-4-carboxylic acid

CAS No.65052-63-3
FormulaC14H15N5O5S2
Mol. weight397.40
Catalogue No.VQ-022082
PurityReference Standard
HSN38229090

Cefotaxime EP Impurity A (CAS 65052-63-3) – Cefetamet impurity standard. C14H15N5O5S2, MW 397.4. Order from Vaqora Chemicals with COA and global delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Cefotaxime EP Impurity A

Cefotaxime EP Impurity A (CAS 65052-63-3) is a pharmacopeial impurity of Cefetamet offered by Vaqora Chemicals. With the molecular formula C14H15N5O5S2, it has a molar mass of 397.4 g/mol. Common synonyms include Cefetamet and Cefotaxime Sodium EP Impurity A.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Cefetamet to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cefotaxime EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Cefetamet

View every impurity, metabolite and intermediate we list for Cefetamet.

Cefetamet impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameCefotaxime EP Impurity A
Catalogue No.VQ-022082
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
Molecular weight397.4 g/mol
Exact mass397.0515
GradeReference Standard
HSN 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
Physical properties
Physical formSolid
LogP (XLogP3)-0.7
H-bond donors / acceptors3 / 10
TPSA201 Ų
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

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Cefotaxime EP Impurity A?

The CAS Registry Number of Cefotaxime EP Impurity A is 65052-63-3. It is also known as Cefetamet, Cefotaxime Sodium EP Impurity A, Cefotaxime Sodium - Impurity A.

What is the molecular formula and molecular weight of Cefotaxime EP Impurity A?

Cefotaxime EP Impurity A has the molecular formula C14H15N5O5S2 and a molecular weight of 397.4 g/mol. Its 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.

What is Cefotaxime EP Impurity A used for?

Cefotaxime EP Impurity A is supplied as a characterised reference material related to Cefetamet. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cefotaxime EP Impurity A can I order?

We supply Cefotaxime EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cefotaxime EP Impurity A?

Yes. Every lot of Cefotaxime EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Cefotaxime EP Impurity A be shipped internationally?

Yes. Cefotaxime EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Cefotaxime EP Impurity A

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Cefetamet Pivoxil chemical structure
Cefetamet Pivoxil
CAS
65243-33-6
Formula
C20H25N5O7S2
MW
511.6 g/mol
VQ-029690

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