2-C-Methyl-D-ribono-1,4-lactone

Also known as: (3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one, (3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-one, 3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-one, 2-C-Methyl-D-ribonic acid gamma-lactone, Ascorbic Acid Impurity 17, EOS-60512

2-C-Methyl-D-ribono-1,4-lactone (CAS 492-30-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O5 and a molecular weight of 162.141 g/mol. Key properties include a melting point of 150-160ºC, a boiling point of 338.3±11.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 145.6±12.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 492-30-8
Jingsj CID: J-1522539-5
Molecular Formula: C₆H₁₀O₅
Molecular Weight: 162.141 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	150-160ºC
Boiling Point	338.3±11.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	145.6±12.8 °C
Exact Mass	162.052826
PSA	86.99000
LogP	-1.93
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.551
Storage Conditions	-20°C Freezer

Frequently Asked Questions

What is the CAS number of 2-C-Methyl-D-ribono-1,4-lactone?

The CAS number of 2-C-Methyl-D-ribono-1,4-lactone is 492-30-8.

What are the molecular formula and molecular weight of 2-C-Methyl-D-ribono-1,4-lactone?

2-C-Methyl-D-ribono-1,4-lactone has molecular formula C6H10O5 and molecular weight 162.141 g/mol.

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. "2-C-Methyl-D-ribono-1,4-lactone (CAS 492-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522539-5 (accessed 2026-11-09).

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