(2R,3S)-2-amino-3-(benzylthio)butanoic acid

(2R,3S)-2-氨基-3-(苄硫基)丁酸

Also known as: Butanoic acid, 2-amino-3-[(phenylmethyl)thio]-, (2R,3S)-, L-allo-S-benzyl-β-methylcysteine, L-allo-S-benzyl-ss-methylcysteine

(2R,3S)-2-amino-3-(benzylthio)butanoic acid (CAS 131235-01-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H15NO2S and a molecular weight of 225.30700 g/mol. It is also known as Butanoic acid, 2-amino-3-[(phenylmethyl)thio]-, (2R,3S)-, L-allo-S-benzyl-β-methylcysteine and L-allo-S-benzyl-ss-methylcysteine. Key properties include a boiling point of 382.9ºC at 760 mmHg and a density of 1.219 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
131235-01-3
Jingsj CID
J-1624810-2
Molecular Formula
C11H15NO2S
Chinese Name
(2R,3S)-2-氨基-3-(苄硫基)丁酸
Molecular Weight
225.30700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point382.9ºC at 760 mmHg
Density1.219 g/cm3

Frequently Asked Questions

What is the CAS number of (2R,3S)-2-amino-3-(benzylthio)butanoic acid?

The CAS number of (2R,3S)-2-amino-3-(benzylthio)butanoic acid is 131235-01-3.

What are the molecular formula and molecular weight of (2R,3S)-2-amino-3-(benzylthio)butanoic acid?

(2R,3S)-2-amino-3-(benzylthio)butanoic acid has molecular formula C11H15NO2S and molecular weight 225.30700 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-(benzylthio)butanoic acid (CAS 131235-01-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1624810-2 (accessed 2026-10-23).

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