1-Benzyl-1H-pyrazol-3(2H)-one

1-苄基-1H-吡唑-3(2H)-酮

Also known as: 1-Benzyl-1,2-dihydro-3H-pyrazol-3-one, 1-Benzyl-3-pyrazolone, 1-Benzyl-1H-pyrazol-3-ol, 1-Benzyl-3-hydroxy-1H-pyrazole

1-Benzyl-1H-pyrazol-3(2H)-one (CAS 21074-40-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O and a molecular weight of 174.19900 g/mol. It is also known as 1-Benzyl-1,2-dihydro-3H-pyrazol-3-one, 1-Benzyl-3-pyrazolone and 1-Benzyl-1H-pyrazol-3-ol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21074-40-8
Jingsj CID: J-1108180-9
Molecular Formula: C₁₀H₁₀N₂O
Chinese Name: 1-苄基-1H-吡唑-3(2H)-酮
Molecular Weight: 174.19900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-Benzyl-1H-pyrazol-3(2H)-one?

The CAS number of 1-Benzyl-1H-pyrazol-3(2H)-one is 21074-40-8.

What are the molecular formula and molecular weight of 1-Benzyl-1H-pyrazol-3(2H)-one?

1-Benzyl-1H-pyrazol-3(2H)-one has molecular formula C10H10N2O and molecular weight 174.19900 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. "1-Benzyl-1H-pyrazol-3(2H)-one (CAS 21074-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108180-9 (accessed 2026-10-24).

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