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Penethamate

喷沙西林

Also known as: Penethacillin, ephicillin, 2-(diethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]- (2S,5R,6R)-, 2-(diethylamino)ethyl ester, (6α-[(Phenylacetyl)amino]penicillanic acid 2-(diethylamino)ethyl) ester, PENICILLINGDIETHYLAMINOETHYLESTER

Penethamate (CAS 3689-73-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H31N3O4S and a molecular weight of 433.56400 g/mol. It is also known as Penethacillin, ephicillin and 2-(diethylamino)ethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate. Key properties include a boiling point of 644.1ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 343.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3689-73-4
Jingsj CID
J-1112914-9
Molecular Formula
C22H31N3O4S
Chinese Name
喷沙西林
Molecular Weight
433.56400 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point644.1ºC at 760mmHg
Density1.24g/cm3
Flash Point343.3ºC

Frequently Asked Questions

What is the CAS number of Penethamate?

The CAS number of Penethamate is 3689-73-4.

What are the molecular formula and molecular weight of Penethamate?

Penethamate has molecular formula C22H31N3O4S and molecular weight 433.56400 g/mol.

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

Last updated:

How to cite: Jingsj. "Penethamate (CAS 3689-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1112914-9 (accessed 2026-10-25).

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