5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride

5-甲基-4,5-二氢-1H-吡唑盐酸盐

Also known as: 1H-Pyrazole, 4,5-dihydro-5-methyl-, hydrochloride, 1H-Pyrazole, 4,5-dihydro-5-methyl-, hydrochloride (1:1), 5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride (1:1)

5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride (CAS 74277-19-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H9ClN2 and a molecular weight of 120.58100 g/mol. It is also known as 1H-Pyrazole, 4,5-dihydro-5-methyl-, hydrochloride, 1H-Pyrazole, 4,5-dihydro-5-methyl-, hydrochloride (1:1) and 5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride (1:1). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74277-19-3
Jingsj CID: J-932873-2
Molecular Formula: C₄H₉ClN₂
Chinese Name: 5-甲基-4,5-二氢-1H-吡唑盐酸盐
Molecular Weight: 120.58100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride?

The CAS number of 5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride is 74277-19-3.

What are the molecular formula and molecular weight of 5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride?

5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride has molecular formula C4H9ClN2 and molecular weight 120.58100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-Methyl-4,5-dihydro-1H-pyrazole hydrochloride (CAS 74277-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-932873-2 (accessed 2026-10-24).

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