(2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol

(2-巯基-1-甲基-1H-咪唑-5-基)甲醇

Also known as: 5-(Hydroxymethyl)-2-mercapto-1-methylimidazole, 5-(Hydroxymethyl)-1-methyl-1,3-dihydro-2H-imidazole-2-thione, 1-Methyl-2-mercapto-5-hydroxymethylimidazole, 2-Mercapto-1-methylimidazole-5-methanol, 4-(Hydroxymethyl)-2-mercapto-1-methylimidazole, 4-(Hydroxymethyl)-3-methyl-1H-imidazole-2-thione, (1-Methyl-2-mercaptoimidazol-5-yl)methanol, (3-Methyl-2-sulfanyl-1H-3lambda5-imidazol-4-yl)methanol

(2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol (CAS 143122-18-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N2OS and a molecular weight of 144.19500 g/mol. It is also known as 5-(Hydroxymethyl)-2-mercapto-1-methylimidazole, 5-(Hydroxymethyl)-1-methyl-1,3-dihydro-2H-imidazole-2-thione and 1-Methyl-2-mercapto-5-hydroxymethylimidazole. Key properties include a melting point of 223-226ºC, a boiling point of 258.9ºC at 760 mmHg, a density of 1.39g/cm3 and a flash point of 110.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
143122-18-3
Jingsj CID
J-1320407-7
Molecular Formula
C5H8N2OS
Chinese Name
(2-巯基-1-甲基-1H-咪唑-5-基)甲醇
Molecular Weight
144.19500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point223-226ºC
Boiling Point258.9ºC at 760 mmHg
Density1.39g/cm3
Flash Point110.4ºC

Frequently Asked Questions

What is the CAS number of (2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol?

The CAS number of (2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol is 143122-18-3.

What are the molecular formula and molecular weight of (2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol?

(2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol has molecular formula C5H8N2OS and molecular weight 144.19500 g/mol.

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

Last updated:

How to cite: Jingsj. "(2-Mercapto-1-methyl-1H-imidazol-5-yl)methanol (CAS 143122-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320407-7 (accessed 2026-10-22).

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