D-Threonine

D-苏氨酸

Also known as: D-(+)-Threonine, (2R,3S)-2-Amino-3-hydroxybutanoic acid, (2R,3S)-2-Amino-3-hydroxybutyric acid, D-α-Amino-β-hydroxybutyric acid, H-D-Thr-OH, D-2-Amino-3-hydroxybutanoic acid

D-Threonine (CAS 632-20-2) 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 D-(+)-Threonine, (2R,3S)-2-Amino-3-hydroxybutanoic acid and (2R,3S)-2-Amino-3-hydroxybutyric acid. Key properties include a melting point of 274ºC, a boiling point of 345.8±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 162.9±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
632-20-2
Jingsj CID
J-888021-7
Molecular Formula
C4H9NO3
Chinese Name
D-苏氨酸
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 Point274ºC
Boiling Point345.8±32.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point162.9±25.1 °C

Frequently Asked Questions

What is the CAS number of D-Threonine?

The CAS number of D-Threonine is 632-20-2.

What are the molecular formula and molecular weight of D-Threonine?

D-Threonine 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. "D-Threonine (CAS 632-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-888021-7 (accessed 2026-10-25).

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