7-Amino-3-methoxy-3-cephem-4-carboxylic acid

7-氨基-3-甲氧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸

Also known as: 7-AMCA, (6R,7R)-7-Amino-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-Amino-3-methoxycephalosporanic acid, 7β-Amino-3-methoxy-3-cephem-4-carboxylic acid

7-Amino-3-methoxy-3-cephem-4-carboxylic acid (CAS 51803-38-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O4S and a molecular weight of 230.24100 g/mol. It is also known as 7-AMCA, (6R,7R)-7-Amino-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and 7-Amino-3-methoxycephalosporanic acid. Key properties include a boiling point of 552.8ºC at 760 mmHg, a density of 1.64 and a flash point of 288.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51803-38-4
Jingsj CID
J-943220-0
Molecular Formula
C8H10N2O4S
Chinese Name
7-氨基-3-甲氧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸
Molecular Weight
230.24100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point552.8ºC at 760 mmHg
Density1.64
Flash Point288.1ºC

Frequently Asked Questions

What is the CAS number of 7-Amino-3-methoxy-3-cephem-4-carboxylic acid?

The CAS number of 7-Amino-3-methoxy-3-cephem-4-carboxylic acid is 51803-38-4.

What are the molecular formula and molecular weight of 7-Amino-3-methoxy-3-cephem-4-carboxylic acid?

7-Amino-3-methoxy-3-cephem-4-carboxylic acid has molecular formula C8H10N2O4S and molecular weight 230.24100 g/mol.

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

Last updated:

How to cite: Jingsj. "7-Amino-3-methoxy-3-cephem-4-carboxylic acid (CAS 51803-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-943220-0 (accessed 2026-10-25).

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