Cefuroxime Sodium EP Impurity B

Name: Cefuroxime Sodium EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-021118

About Cefuroxime Sodium EP Impurity B

Cefuroxime Sodium EP Impurity B (CAS 39685-31-9) is a pharmacopeial impurity of Cefuroxime offered by Vaqora Chemicals. The compound has the formula C17H17N3O8S, corresponding to a molecular weight of 423.4 g/mol. Alternative names: Cefuroxime EP Impurity B and Cefuroxime Sodium - Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Cefuroxime to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Cefuroxime

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

Cefuroxime impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefuroxime Sodium EP Impurity B
Catalogue No.	VQ-021118
CAS Number	39685-31-9
IUPAC name	(6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₇H₁₇N₃O₈S
Molecular weight	423.4 g/mol
Exact mass	423.0736
Grade	Reference Standard
HSN code	38229090
InChIKey	YBHZVPYSEUQIII-DYJQDLSISA-N
SMILES	CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OC)/C3=CC=CO3)SC1)C(=O)O
PubChem CID	9571078

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	2 / 10
TPSA	173 Å²

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 Cefuroxime Sodium EP Impurity B?

The CAS Registry Number of Cefuroxime Sodium EP Impurity B is 39685-31-9. It is also known as Cefuroxime EP Impurity B, Cefuroxime Sodium - Impurity B, (7R)-7-(2-(2-Furyl)-2-((Z)-methoxyimino)acetylamino)cepham-3-ene-4-carboxylic acid.

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

Cefuroxime Sodium EP Impurity B has the molecular formula C17H17N3O8S and a molecular weight of 423.4 g/mol. Its IUPAC name is (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefuroxime Sodium EP Impurity B used for?

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

We supply Cefuroxime Sodium 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 Cefuroxime Sodium EP Impurity B?

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

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