(2S)-4-amino-2-hydroxybutanoic acid

(S)-(-)-4-氨基-2-羟基丁酸

Also known as: (S)-(-)-4-Amino-2-hydroxybutyric acid, (S)-4-Amino-2-hydroxybutanoic acid, L-(-)-alpha-Hydroxy-gamma-aminobutyric acid, (S)-(-)-2-Hydroxy-4-aminobutyric acid, L-HABA, Butanoic acid, 4-amino-2-hydroxy-, (2S)-

(2S)-4-amino-2-hydroxybutanoic acid (CAS 40371-51-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO3 and a molecular weight of 119.119 g/mol. It is also known as (S)-(-)-4-Amino-2-hydroxybutyric acid, (S)-4-Amino-2-hydroxybutanoic acid and L-(-)-alpha-Hydroxy-gamma-aminobutyric acid. Key properties include a melting point of 207-212 °C, a boiling point of 361.8±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 172.6±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40371-51-5
Jingsj CID
J-1028427-4
Molecular Formula
C4H9NO3
Chinese Name
(S)-(-)-4-氨基-2-羟基丁酸
Molecular Weight
119.119 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point207-212 °C
Boiling Point361.8±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point172.6±23.7 °C

Frequently Asked Questions

What is the CAS number of (2S)-4-amino-2-hydroxybutanoic acid?

The CAS number of (2S)-4-amino-2-hydroxybutanoic acid is 40371-51-5.

What are the molecular formula and molecular weight of (2S)-4-amino-2-hydroxybutanoic acid?

(2S)-4-amino-2-hydroxybutanoic acid has molecular formula C4H9NO3 and molecular weight 119.119 g/mol.

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

Last updated:

How to cite: Jingsj. "(2S)-4-amino-2-hydroxybutanoic acid (CAS 40371-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028427-4 (accessed 2026-10-25).

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