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(2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid

(2R,3S)-3-苯基丝氨酸

Also known as: D-Threo-3-phenylserine, (2R,3S)-3-Phenylserine, (2R,3S)-2-Amino-3-hydroxy-3-phenylpropionic acid, (2R,3S)-2-Amino-3-phenyl-3-hydroxypropionic acid

(2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid (CAS 109120-55-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO3 and a molecular weight of 181.18900 g/mol. It is also known as D-Threo-3-phenylserine, (2R,3S)-3-Phenylserine and (2R,3S)-2-Amino-3-hydroxy-3-phenylpropionic acid. Key properties include a melting point of 182-184℃, a boiling point of 398ºC at 760 mmHg, a density of 1.335 g/cm3 and a flash point of 194.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
109120-55-0
Jingsj CID
J-1157312-0
Molecular Formula
C9H11NO3
Chinese Name
(2R,3S)-3-苯基丝氨酸
Molecular Weight
181.18900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point182-184℃
Boiling Point398ºC at 760 mmHg
Density1.335 g/cm3
Flash Point194.5ºC

Frequently Asked Questions

What is the CAS number of (2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid?

The CAS number of (2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid is 109120-55-0.

What are the molecular formula and molecular weight of (2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid?

(2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid has molecular formula C9H11NO3 and molecular weight 181.18900 g/mol.

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

Last updated:

How to cite: Jingsj. "(2R,3S)-2-Amino-3-hydroxy-3-phenylpropanoic acid (CAS 109120-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1157312-0 (accessed 2026-10-25).

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