5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one

5-羟甲基-2-苯基-4H-吡唑-3-酮

Also known as: 3-(hydroxymethyl)-1-phenyl-1H-pyrazol-5(4H)-one, 3H-Pyrazol-3-one, 2,4-dihydro-5-(hydroxymethyl)-2-phenyl-

5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one (CAS 122395-42-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O2 and a molecular weight of 190.20 g/mol. It is also known as 3-(hydroxymethyl)-1-phenyl-1H-pyrazol-5(4H)-one and 3H-Pyrazol-3-one, 2,4-dihydro-5-(hydroxymethyl)-2-phenyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 122395-42-0
Jingsj CID: J-121481-7
Molecular Formula: C₁₀H₁₀N₂O₂
Chinese Name: 5-羟甲基-2-苯基-4H-吡唑-3-酮
Molecular Weight: 190.20 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one?

The CAS number of 5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one is 122395-42-0.

What are the molecular formula and molecular weight of 5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one?

5-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one has molecular formula C10H10N2O2 and molecular weight 190.20 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-(hydroxymethyl)-2-phenyl-4H-pyrazol-3-one (CAS 122395-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-121481-7 (accessed 2026-10-25).

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