5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one

5-(2-氯苯基)-2,4-二氢-2-甲基-3H-吡唑-3-酮

Also known as: 5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one, 5-(2-chlorophenyl)-2-methyl-4H-pyrazol-3-one, 5-(2-chlorophenyl)-2-methyl-2,4-dihydro-3H-pyrazol-3-one

5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one (CAS 862588-77-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O and a molecular weight of 208.64400 g/mol. It is also known as 5-(2-chlorophenyl)-2-methyl-4H-pyrazol-3-one and 5-(2-chlorophenyl)-2-methyl-2,4-dihydro-3H-pyrazol-3-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 862588-77-0
Jingsj CID: J-1604936-9
Molecular Formula: C₁₀H₉ClN₂O
Chinese Name: 5-(2-氯苯基)-2,4-二氢-2-甲基-3H-吡唑-3-酮
Molecular Weight: 208.64400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one?

The CAS number of 5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one is 862588-77-0.

What are the molecular formula and molecular weight of 5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one?

5-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one has molecular formula C10H9ClN2O and molecular weight 208.64400 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-(2-chlorophenyl)-2,4-dihydro-2-methyl-3H-pyrazol-3-one (CAS 862588-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1604936-9 (accessed 2026-10-25).

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