Cefmetazole

Name: Cefmetazole
Brand: Vaqora Chemicals
SKU: VQ-029693

About Cefmetazole

Cefmetazole (CAS 56796-20-4) is a high-purity reference standard of Cefmetazole offered by Vaqora Chemicals. Formula C15H17N7O5S3, molecular weight 471.5 g/mol. Alternative names: Cefmetazole acid and Cefmetazol.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Cefmetazole standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefmetazole 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 Cefmetazole

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

Cefmetazole impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefmetazole
Catalogue No.	VQ-029693
CAS Number	56796-20-4
IUPAC name	(6R,7S)-7-[[2-(cyanomethylsulfanyl)acetyl]amino]-7-methoxy-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₅H₁₇N₇O₅S₃
Molecular weight	471.5 g/mol
Exact mass	471.0453
Grade	Reference Standard
HSN code	38229090
InChIKey	SNBUBQHDYVFSQF-HIFRSBDPSA-N
SMILES	CN1C(=NN=N1)SCC2=C(N3[C@@H]([C@@](C3=O)(NC(=O)CSCC#N)OC)SC2)C(=O)O
PubChem CID	42008

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.6
H-bond donors / acceptors	2 / 12
TPSA	239 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation

Precautionary statements: P233, P260, P261, P264, P264 + P265, P271, P272, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P403, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Cefmetazole?

The CAS Registry Number of Cefmetazole is 56796-20-4. It is also known as Cefmetazole acid, Cefmetazol, 56796-20-4 (free).

What is the molecular formula and molecular weight of Cefmetazole?

Cefmetazole has the molecular formula C15H17N7O5S3 and a molecular weight of 471.5 g/mol.

What is Cefmetazole used for?

Cefmetazole is supplied as a characterised reference material related to Cefmetazole. 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 Cefmetazole can I order?

We supply Cefmetazole 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 Cefmetazole?

Yes. Every lot of Cefmetazole 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 Cefmetazole be shipped internationally?

Yes. Cefmetazole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.