Cefotaxime Sodium - Impurity E

Name: Cefotaxime Sodium - Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021109

About Cefotaxime Sodium - Impurity E

Listed under CAS 66340-33-8, Cefotaxime Sodium - Impurity E is a metabolite or degradation product of Ceftriaxone available from Vaqora Chemicals. The compound has the formula C14H13N5O5S2, corresponding to a molecular weight of 395.4 g/mol. Common synonyms include Ceftriaxone Sodium - Impurity B and Cefotaxime EP Impurity E.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Ceftriaxone, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefotaxime Sodium - Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Ceftriaxone

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

Ceftriaxone impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefotaxime Sodium - Impurity E
Catalogue No.	VQ-021109
CAS Number	66340-33-8
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 formula	C₁₄H₁₃N₅O₅S₂
Molecular weight	395.4 g/mol
Exact mass	395.0358
Grade	Reference Standard
HSN code	38229090
InChIKey	MCSWUKXFFGUOQE-GHXIOONMSA-N
SMILES	CO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C4=C(COC4=O)CS3
PubChem CID	13080558

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 10
TPSA	190 Å²
Synonyms	Ceftriaxone 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.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Cefotaxime Sodium - Impurity E?

The CAS Registry Number of Cefotaxime Sodium - Impurity E is 66340-33-8. It is also known as Ceftriaxone Sodium - Impurity B, Cefotaxime EP Impurity E, Ceftriaxone EP Impurity B.

What is the molecular formula and molecular weight of Cefotaxime Sodium - Impurity E?

Cefotaxime Sodium - Impurity E has the molecular formula C14H13N5O5S2 and a molecular weight of 395.4 g/mol. Its 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.

What is Cefotaxime Sodium - Impurity E used for?

Cefotaxime Sodium - Impurity E is supplied as a characterised reference material related to Ceftriaxone. 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 Sodium - Impurity E can I order?

We supply Cefotaxime Sodium - Impurity E 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 Sodium - Impurity E?

Yes. Every lot of Cefotaxime Sodium - Impurity E 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 Sodium - Impurity E be shipped internationally?

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