5-Mercapto-1H-tetrazole-1-methanesulfonic acid

5-巯基-1,2,3,4-四氮唑-1-甲基磺酸

Also known as: 5-Mercapto-1H-tetrazole-1-methane sulphonic acid, (5-sulfanylidene-2H-tetrazol-1-yl)methanesulfonic acid, 1-sulfomethyl-5-mercapto-1H-tetrazole, 1-sulfomethyltetrazole-5-thiol, 2,5-Dihydro-5-thioxo-1H-tetrazole-1-methanesulphonic acid, 2,5-dihydro-5-thio-1H-tetrazole-1-methane sulfonic acid, 5-Mercaptotetrazolemethanesulfonic acid, 5-mercaptetrazolemethane sulfonic acid, 5-mercapto-1,2,3,4-tetrazole-1-methanesulfonic acid, EINECS 266-586-7, MFCD00129974

5-Mercapto-1H-tetrazole-1-methanesulfonic acid (CAS 67146-22-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4N4O3S2 and a molecular weight of 196.20800 g/mol. It is also known as 5-Mercapto-1H-tetrazole-1-methane sulphonic acid, (5-sulfanylidene-2H-tetrazol-1-yl)methanesulfonic acid and 1-sulfomethyl-5-mercapto-1H-tetrazole. Key properties include a melting point of 155-158 °C(lit.) and a density of 2.24g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67146-22-9
Jingsj CID
J-1989962-4
Molecular Formula
C2H4N4O3S2
Chinese Name
5-巯基-1,2,3,4-四氮唑-1-甲基磺酸
Molecular Weight
196.20800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-158 °C(lit.)
Density2.24g/cm3

Frequently Asked Questions

What is the CAS number of 5-Mercapto-1H-tetrazole-1-methanesulfonic acid?

The CAS number of 5-Mercapto-1H-tetrazole-1-methanesulfonic acid is 67146-22-9.

What are the molecular formula and molecular weight of 5-Mercapto-1H-tetrazole-1-methanesulfonic acid?

5-Mercapto-1H-tetrazole-1-methanesulfonic acid has molecular formula C2H4N4O3S2 and molecular weight 196.20800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Mercapto-1H-tetrazole-1-methanesulfonic acid (CAS 67146-22-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1989962-4 (accessed 2026-10-25).

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