Cefmetazole

头孢美唑

Also known as: (6R,7S)-7-[[2-[(cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7S)-7-({[(Cyanomethyl)sulfanyl]acetyl}amino)-7-methoxy-3-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7S)-7-({[(cyanomethyl)thio]acetyl}amino)-7-(methyloxy)-3-{[(1-methyl-1H-tetrazol-5-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (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, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[2-[(cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-, (6R,7S)-, cefmetazolum

Cefmetazole (CAS 56796-20-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H17N7O5S3 and a molecular weight of 471.534 g/mol. It is also known as (6R,7S)-7-[[2-[(cyanomethyl)thio]acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7S)-7-({[(Cyanomethyl)sulfanyl]acetyl}amino)-7-methoxy-3-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and (6R,7S)-7-({[(cyanomethyl)thio]acetyl}amino)-7-(methyloxy)-3-{[(1-methyl-1H-tetrazol-5-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Key properties include a melting point of 163-165ºC and a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56796-20-4
Jingsj CID
J-1956805-4
Molecular Formula
C15H17N7O5S3
Chinese Name
头孢美唑
Molecular Weight
471.534 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point163-165ºC
Density1.8±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of Cefmetazole?

The CAS number of Cefmetazole is 56796-20-4.

What are the molecular formula and molecular weight of Cefmetazole?

Cefmetazole has molecular formula C15H17N7O5S3 and molecular weight 471.534 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cefmetazole (CAS 56796-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956805-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.