Cefixime EP Impurity B

Name: Cefixime EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-029691

About Cefixime EP Impurity B

Cefixime EP Impurity B (CAS 1335475-19-8) is a pharmacopeial impurity of Cefixime offered by Vaqora Chemicals. Its molecular formula is C15H17N5O6S2 and its molecular weight is 427.5 g/mol. It is also known as Cefixime - Impurity B.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Cefixime, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefixime EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Cefixime

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

Cefixime impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefixime EP Impurity B
Catalogue No.	VQ-029691
CAS Number	1335475-19-8
IUPAC name	2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]methylamino]-2-oxoethylidene]amino]oxyacetic acid
Molecular formula	C₁₅H₁₇N₅O₆S₂
Molecular weight	427.5 g/mol
Exact mass	427.062
Grade	Reference Standard
HSN code	38229090
InChIKey	VGFXYCFOQOJNFI-FTDPZVIESA-N
SMILES	CC1C2=C(C(=O)O1)N[C@H](SC2)CNC(=O)/C(=N\OCC(=O)O)/C3=CSC(=N3)N
PubChem CID	71314610

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	4 / 12
TPSA	219 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 Cefixime EP Impurity B?

The CAS Registry Number of Cefixime EP Impurity B is 1335475-19-8. It is also known as Cefixime - Impurity B.

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

Cefixime EP Impurity B has the molecular formula C15H17N5O6S2 and a molecular weight of 427.5 g/mol. Its IUPAC name is 2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]methylamino]-2-oxoethylidene]amino]oxyacetic acid.

What is Cefixime EP Impurity B used for?

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

We supply Cefixime 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 Cefixime EP Impurity B?

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

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