Cefazedone

Also known as: (6R,7R)-7-[[2-(3,5-Dichloro-4-oxo-1(4H)-pyridinyl)acetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7R)-7-{[(3,5-Dichloro-4-oxopyridin-1(4H)-yl)acetyl]amino}-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, Cefazedone acid, Refosporen, Cefazedonum, Cefazedona, 3-(5-Methyl-1,3,4-thiadiazolyl-2-mercaptomethyl)-7-(3,5-dichloro-4-pyridon-1-ylacetamido)-3-cephem-4-carboxylic Acid, MFCD01682029

Cefazedone (CAS 56187-47-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H15Cl2N5O5S3 and a molecular weight of 548.443 g/mol. Key property: 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.: 56187-47-4
Jingsj CID: J-1981622-9
Molecular Formula: C₁₈H₁₅Cl₂N₅O₅S₃
Molecular Weight: 548.443 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.8±0.1 g/cm3
Exact Mass	546.961243
PSA	213.33000
LogP	0.92
Refractive Index	1.761

Activity & Biological Data

Additional Information	[1]. Gao L, et al. A Pharmacokinetic and Pharmacodynamic Study on Intravenous Cefazedone Sodium in Patients with Community-acquired Pneumonia. Chin Med J (Engl). 2015 May 5;128(9):1160-4.

Frequently Asked Questions

What is the CAS number of Cefazedone?

The CAS number of Cefazedone is 56187-47-4.

What are the molecular formula and molecular weight of Cefazedone?

Cefazedone has molecular formula C18H15Cl2N5O5S3 and molecular weight 548.443 g/mol.

What are the upstream and downstream products of Cefazedone?

For Cefazedone, Upstream Products: 3,5-Dichloro-4-oxo-1(4H)-pyridineacetic acid, (6R,7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cefazedone (CAS 56187-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981622-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.