Methyl (R)-2-hydroxybutanoate

Also known as: Methyl (R)-2-hydroxybutyrate, (R)-Methyl 2-hydroxybutanoate, (R)-Methyl 2-hydroxybutyrate, Butanoic acid, 2-hydroxy-, methyl ester, (2R)-, methyl (2R)-2-hydroxybutanoate, methyl-(R)-2-hydroxybutyrate

Methyl (R)-2-hydroxybutanoate (CAS 73349-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O3 and a molecular weight of 118.131 g/mol. Key properties include a boiling point of 159.3±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 54.6±6.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 73349-07-2
Jingsj CID: J-1356248-6
Molecular Formula: C₅H₁₀O₃
Molecular Weight: 118.131 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	159.3±8.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	54.6±6.4 °C
Exact Mass	118.062996
PSA	46.53000
LogP	-0.19
Vapor Pressure	0.9±0.6 mmHg at 25°C
Refractive Index	1.420

Frequently Asked Questions

What is the CAS number of Methyl (R)-2-hydroxybutanoate?

The CAS number of Methyl (R)-2-hydroxybutanoate is 73349-07-2.

What are the molecular formula and molecular weight of Methyl (R)-2-hydroxybutanoate?

Methyl (R)-2-hydroxybutanoate has molecular formula C5H10O3 and molecular weight 118.131 g/mol.

What are the upstream and downstream products of Methyl (R)-2-hydroxybutanoate?

For Methyl (R)-2-hydroxybutanoate, Upstream Products: Methanol, (R)-2-Hydroxybutanoic acid, Diazomethane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Methyl (R)-2-hydroxybutanoate (CAS 73349-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356248-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.