4-Methylpyrazole hydrochloride

4-甲基吡唑盐酸盐

Also known as: 4-Methyl-1H-pyrazole hydrochloride, Fomepizole hydrochloride, 4-Methylpyrazole hydrochloride alcohol dehydrogenase inhibitor, 4-methyl-1H-pyrazole, hydrochloride, Fomepizole/FomepizolechlorideHCl, MFCD00012707

4-Methylpyrazole hydrochloride (CAS 56010-88-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H7ClN2 and a molecular weight of 118.56500 g/mol. It is also known as 4-Methyl-1H-pyrazole hydrochloride, Fomepizole hydrochloride and 4-Methylpyrazole hydrochloride alcohol dehydrogenase inhibitor. Key property: a melting point of 157-159 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56010-88-9
Jingsj CID
J-1970194-1
Molecular Formula
C4H7ClN2
Chinese Name
4-甲基吡唑盐酸盐
Molecular Weight
118.56500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point157-159 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Methylpyrazole hydrochloride?

The CAS number of 4-Methylpyrazole hydrochloride is 56010-88-9.

What are the molecular formula and molecular weight of 4-Methylpyrazole hydrochloride?

4-Methylpyrazole hydrochloride has molecular formula C4H7ClN2 and molecular weight 118.56500 g/mol.

Is 4-Methylpyrazole hydrochloride hazardous?

4-Methylpyrazole hydrochloride 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. "4-Methylpyrazole hydrochloride (CAS 56010-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970194-1 (accessed 2026-10-26).

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