(E)-Ceftiofur

Name: (E)-Ceftiofur
Brand: Vaqora Chemicals
SKU: VQ-022113

About (E)-Ceftiofur

(E)-Ceftiofur (CAS 120882-20-4) is a high-purity reference standard of Ceftiofur offered by Vaqora Chemicals. Its molecular formula is C19H17N5O7S3 and its molecular weight is 523.6 g/mol. Alternative names: Ceftiofur E- Isomer and Ceftiofur E-isomer.

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.

As a reference sample of Ceftiofur, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ceftiofur

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

Ceftiofur impurities

Specifications & identifiers

Chemical identifiers
Product name	(E)-Ceftiofur
Catalogue No.	VQ-022113
CAS Number	120882-20-4
IUPAC name	(6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₉H₁₇N₅O₇S₃
Molecular weight	523.6 g/mol
Exact mass	523.029
Grade	Reference Standard
HSN code	38229090
InChIKey	ZBHXIWJRIFEVQY-HURQQZHVSA-N
SMILES	CO/N=C(\C1=CSC(=N1)N)/C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)CSC(=O)C4=CC=CO4)C(=O)O
PubChem CID	5484735

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	3 / 13
TPSA	256 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 (E)-Ceftiofur?

The CAS Registry Number of (E)-Ceftiofur is 120882-20-4. It is also known as Ceftiofur E- Isomer, Ceftiofur E-isomer.

What is the molecular formula and molecular weight of (E)-Ceftiofur?

(E)-Ceftiofur has the molecular formula C19H17N5O7S3 and a molecular weight of 523.6 g/mol.

What is (E)-Ceftiofur used for?

(E)-Ceftiofur is supplied as a characterised reference material related to Ceftiofur. 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 (E)-Ceftiofur can I order?

We supply (E)-Ceftiofur 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 (E)-Ceftiofur?

Yes. Every lot of (E)-Ceftiofur 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 (E)-Ceftiofur be shipped internationally?

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