Skip to main content

2-Hydroxy-4-(methylthio)butyric acid

Also known as: 2-Hydroxy-4-(methylmercapto)butyric acid, DL-2-Hydroxy-4-(methylthio)butyric acid, MHA, Alimet, Desmeninol, α-Hydroxy-DL-methionine, MHA acid, 2-Hydroxy-4-(methylsulfanyl)butanoic acid, 4-methylthio-2-hydroxybutyric acid, Methionine hydroxy analog

2-Hydroxy-4-(methylthio)butyric acid (CAS 583-91-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O3S and a molecular weight of 150.196 g/mol. Key properties include a boiling point of 316.5±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 145.2±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
583-91-5
Jingsj CID
J-14918-8
Molecular Formula
C5H10O3S
Molecular Weight
150.196 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point316.5±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point145.2±23.7 °C
Exact Mass150.035065
PSA82.83000
LogP0.35
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.529

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-4-(methylthio)butyric acid?

The CAS number of 2-Hydroxy-4-(methylthio)butyric acid is 583-91-5.

What are the molecular formula and molecular weight of 2-Hydroxy-4-(methylthio)butyric acid?

2-Hydroxy-4-(methylthio)butyric acid has molecular formula C5H10O3S and molecular weight 150.196 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Hydroxy-4-(methylthio)butyric acid (CAS 583-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14918-8 (accessed 2026-11-09).

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