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

Cefotaxime EP Impurity B

Synonyms: Cefotaxime Sodium - Impurity B · Cefotaxime Sodium EP Impurity B · 3-Desacetyl Cefotaxime Potassium Salt · Desacetyl Cefotaxime Impurity

CAS No.66340-28-1
FormulaC14H15N5O6S2
Mol. weight413.40
Catalogue No.VQ-022089
PurityReference Standard
HSN38229090

Cefotaxime EP Impurity B (CAS 66340-28-1) – Cefotaxime impurity standard. C14H15N5O6S2, MW 413.4. Supplied by Vaqora Chemicals with COA, exported worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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16-section GHS SDS
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DG-compliant packing

About Cefotaxime EP Impurity B

Vaqora Chemicals supplies Cefotaxime EP Impurity B, a pharmacopeial impurity of Cefotaxime registered under CAS number 66340-28-1. Its molecular formula is C14H15N5O6S2 and its molecular weight is 413.4 g/mol. Alternative names: Cefotaxime Sodium - Impurity B and Cefotaxime Sodium EP Impurity B.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Cefotaxime to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Cefotaxime EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Cefotaxime

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

Cefotaxime impurities

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Specifications & identifiers

Chemical identifiers
Product nameCefotaxime EP Impurity B
Catalogue No.VQ-022089
CAS Number66340-28-1
IUPAC name(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formulaC14H15N5O6S2
Molecular weight413.4 g/mol
Exact mass413.0464
GradeReference Standard
HSN code38229090
InChIKeyFHYWAOQGXIZAAF-GHXIOONMSA-N
SMILESCO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)CO)C(=O)O
PubChem CID9576239
Physical properties
Physical formSolid
LogP (XLogP3)-1.9
H-bond donors / acceptors4 / 11
TPSA221 Ų
SynonymsCefotaxime Sodium - Impurity B, Cefotaxime Sodium EP Impurity B, 3-Desacetyl Cefotaxime Potassium Salt, Desacetyl Cefotaxime Impurity, Cefotaxime sodium impurity B, 3-Desacetylcefotaxime potassium, 66340-28-1, Free base

Documents

Frequently asked questions

What is the CAS number of Cefotaxime EP Impurity B?

The CAS Registry Number of Cefotaxime EP Impurity B is 66340-28-1. It is also known as Cefotaxime Sodium - Impurity B, Cefotaxime Sodium EP Impurity B, 3-Desacetyl Cefotaxime Potassium Salt.

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

Cefotaxime EP Impurity B has the molecular formula C14H15N5O6S2 and a molecular weight of 413.4 g/mol. Its IUPAC name is (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefotaxime EP Impurity B used for?

Cefotaxime EP Impurity B is supplied as a characterised reference material related to Cefotaxime. 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 B can I order?

We supply Cefotaxime EP Impurity B 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 B?

Yes. Every lot of Cefotaxime EP Impurity B 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 B be shipped internationally?

Yes. We export Cefotaxime EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about Cefotaxime EP Impurity B

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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
Cefotaxime Acid chemical structure
Cefotaxime Acid
CAS
63527-52-6
Formula
C16H17N5O7S2
MW
455.5 g/mol
VQ-029696

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