Methyl β-D-thiogalactopyranoside

甲基-1-硫代-β-D-半乳糖苷

Also known as: Methyl 1-thio-β-D-galactopyranoside, Methyl β-D-thiogalactoside, Methylmercapto-D-galactopyranoside, Methyl-thiogalactoside, β-D-Thiomethylgalactoside, Methyl beta-D-thiogalactoside, Methyl beta-D-thiogalactopyranoside, (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triol

Methyl β-D-thiogalactopyranoside (CAS 155-30-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H14O5S and a molecular weight of 210.24800 g/mol. It is also known as Methyl 1-thio-β-D-galactopyranoside, Methyl β-D-thiogalactoside and Methylmercapto-D-galactopyranoside. Key properties include a melting point of 115-1170C, a boiling point of 437.323ºC at 760 mmHg, a density of 1.505g/cm3 and a flash point of 218.285ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
155-30-6
Jingsj CID
J-24420-2
Molecular Formula
C7H14O5S
Chinese Name
甲基-1-硫代-β-D-半乳糖苷
Molecular Weight
210.24800 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-1170C
Boiling Point437.323ºC at 760 mmHg
Density1.505g/cm3
Flash Point218.285ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl β-D-thiogalactopyranoside?

The CAS number of Methyl β-D-thiogalactopyranoside is 155-30-6.

What are the molecular formula and molecular weight of Methyl β-D-thiogalactopyranoside?

Methyl β-D-thiogalactopyranoside has molecular formula C7H14O5S and molecular weight 210.24800 g/mol.

Is Methyl β-D-thiogalactopyranoside hazardous?

Methyl β-D-thiogalactopyranoside has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Methyl β-D-thiogalactopyranoside (CAS 155-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24420-2 (accessed 2026-10-23).

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