3-Acetylthio-2-methylpropanoic acid

3-乙酰硫基-2-甲基丙酸

Also known as: 3-(Acetylthio)-2-methylpropanoic acid, 3-Acetylthio-2-methylpropionic acid, 3-Acetylthioisobutyric acid, beta-Acetylmercaptoisobutyric acid, DL-beta-Acetylthio-alpha-methylpropionic acid, 3-Mercapto-2-methylpropionic acid acetate, 3-Acetylsulfur-2-methylpropionic acid, Capropril impurity G

3-Acetylthio-2-methylpropanoic acid (CAS 33325-40-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O3S and a molecular weight of 162.20700 g/mol. It is also known as 3-(Acetylthio)-2-methylpropanoic acid, 3-Acetylthio-2-methylpropionic acid and 3-Acetylthioisobutyric acid. Key properties include a melting point of 55-57ºC, a boiling point of 276.5ºC at 760 mmHg, a density of 1.213 g/cm3 and a flash point of 121ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33325-40-5
Jingsj CID
J-1431974-9
Molecular Formula
C6H10O3S
Chinese Name
3-乙酰硫基-2-甲基丙酸
Molecular Weight
162.20700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55-57ºC
Boiling Point276.5ºC at 760 mmHg
Density1.213 g/cm3
Flash Point121ºC

Frequently Asked Questions

What is the CAS number of 3-Acetylthio-2-methylpropanoic acid?

The CAS number of 3-Acetylthio-2-methylpropanoic acid is 33325-40-5.

What are the molecular formula and molecular weight of 3-Acetylthio-2-methylpropanoic acid?

3-Acetylthio-2-methylpropanoic acid has molecular formula C6H10O3S and molecular weight 162.20700 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Acetylthio-2-methylpropanoic acid (CAS 33325-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431974-9 (accessed 2026-10-22).

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