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Metabolites & Degradation Products

Cefotaxime Sodium - Impurity E

Reference StandardAvailable on request

Buy Cefotaxime Sodium - Impurity E (CAS 66340-33-8) from Zemixal: C14H13N5O5S2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Cefotaxime Sodium - Impurity E chemical structure
CAS number66340-33-8
FormulaC14H13N5O5S2
Molar mass395.4 g/mol
Physical formSolid
HS code38229090
InChIKeyMCSWUKXFFGUOQE-GHXIOONMSA-N
IUPAC name(2Z)-2-(2-amino-1,3-thiazol-4-yl)-N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-methoxyiminoacetamide

About Cefotaxime Sodium - Impurity E

Cefotaxime Sodium - Impurity E is supplied by Zemixal as a characterised reference material for Ceftriaxone analysis. Identity at a glance (Reference Standard): CAS 66340-33-8, formula C14H13N5O5S2 and molar mass 395.4 g/mol. It is handled as a solid.

Use cases we see most often

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes 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 Ceftriaxone

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

Ceftriaxone standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Cefotaxime Sodium - Impurity E
Product nameCefotaxime Sodium - Impurity E
Catalogue numberZX-020166
CAS number66340-33-8
IUPAC name(2Z)-2-(2-amino-1,3-thiazol-4-yl)-N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-methoxyiminoacetamide
Molecular formulaC14H13N5O5S2
Molar mass395.4 g/mol
Exact mass395.0358
GradeReference Standard
Physical formSolid
H-bond donors / acceptors2 / 10
Topological polar surface area190 Ų
HS code38229090
InChIKeyMCSWUKXFFGUOQE-GHXIOONMSA-N
SMILESCO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C4=C(COC4=O)CS3
PubChem CID13080558
SynonymsCeftriaxone Sodium - Impurity B, Cefotaxime EP Impurity E, Ceftriaxone EP Impurity B, Deacetylcefotaxime lactone, Ceftriaxone impurity B, Cefotaxime impurity E, Ceftriaxone sodium impurity B, Cefotaxime specified impurity E, 3-Desacetyl Cefotaxime Lactone, 3H,7H-Azeto[2,1-b]furo[3,4-d][1,3]thiazine, 4-thiazoleacetamide deriv.

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 Cefotaxime Sodium - Impurity E
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 Sodium - Impurity E

Which CAS number identifies Cefotaxime Sodium - Impurity E?
Cefotaxime Sodium - Impurity E is registered under CAS 66340-33-8. You may also see it listed as Ceftriaxone Sodium - Impurity B, Cefotaxime EP Impurity E, Ceftriaxone EP Impurity B. Our catalogue number for this item is ZX-020166.
What are the formula and molar mass of Cefotaxime Sodium - Impurity E?
For Cefotaxime Sodium - Impurity E, its formula is C14H13N5O5S2 and its molar mass is 395.4 g/mol. The systematic (IUPAC) name is (2Z)-2-(2-amino-1,3-thiazol-4-yl)-N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-methoxyiminoacetamide. InChIKey MCSWUKXFFGUOQE-GHXIOONMSA-N lets you match it in any structure database.
How is Cefotaxime Sodium - Impurity E used in pharmaceutical QC?
Cefotaxime Sodium - Impurity E is a characterised reference material linked to Ceftriaxone. 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 Sodium - Impurity E?
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 Sodium - Impurity E?
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 Sodium - Impurity E to my country?
Yes. Cefotaxime Sodium - Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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