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(S)-tert-Butyl 2-hydroxy-3-methylbutanoate

(S)-2-羟基-3-甲基丁酸叔丁酯

Also known as: tert-Butyl (2S)-2-hydroxy-3-methylbutanoate, tert-butyl (S)-2-hydroxy-3-methylbutanoate, L-ALPHAHYDROXYISOVALERIC ACID T-BUTYL ESTER, (S)-Alphahydroxyisovaleric acid t-butyl ester, Butanoic acid, 2-hydroxy-3-methyl-, 1,1-dimethylethyl ester, (2S)-

(S)-tert-Butyl 2-hydroxy-3-methylbutanoate (CAS 3519-30-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O3 and a molecular weight of 174.23700 g/mol. It is also known as tert-Butyl (2S)-2-hydroxy-3-methylbutanoate, tert-butyl (S)-2-hydroxy-3-methylbutanoate and L-ALPHAHYDROXYISOVALERIC ACID T-BUTYL ESTER. Key properties include a boiling point of 189.5ºC at 760 mmHg, a density of 0.974g/cm3 and a flash point of 63ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3519-30-0
Jingsj CID
J-1183959-6
Molecular Formula
C9H18O3
Chinese Name
(S)-2-羟基-3-甲基丁酸叔丁酯
Molecular Weight
174.23700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point189.5ºC at 760 mmHg
Density0.974g/cm3
Flash Point63ºC

Frequently Asked Questions

What is the CAS number of (S)-tert-Butyl 2-hydroxy-3-methylbutanoate?

The CAS number of (S)-tert-Butyl 2-hydroxy-3-methylbutanoate is 3519-30-0.

What are the molecular formula and molecular weight of (S)-tert-Butyl 2-hydroxy-3-methylbutanoate?

(S)-tert-Butyl 2-hydroxy-3-methylbutanoate has molecular formula C9H18O3 and molecular weight 174.23700 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-tert-Butyl 2-hydroxy-3-methylbutanoate (CAS 3519-30-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183959-6 (accessed 2026-10-22).

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