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5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

Also known as: 1,2-dihydro-5-ethyl-1-methyl-2-phenyl-3H-pyrazol-3-one, 3H-Pyrazol-3-one,5-ethyl-1,2-dihydro-1-methyl-2-phenyl, 5-Aethyl-1-methyl-2-phenyl-1,2-dihydro-pyrazol-3-on, 5-ethyl-1-methyl-2-phenyl-1,2-dihydropyrazol-3-one, 5-ethyl-1-methyl-2-phenylpyrazol-3-one

5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 109249-29-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O and a molecular weight of 202.25200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
109249-29-8
Jingsj CID
J-1062480-3
Molecular Formula
C12H14N2O
Molecular Weight
202.25200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass202.11100
PSA26.93000
LogP1.73840

Frequently Asked Questions

What is the CAS number of 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one?

The CAS number of 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one is 109249-29-8.

What are the molecular formula and molecular weight of 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one?

5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one has molecular formula C12H14N2O and molecular weight 202.25200 g/mol.

What are the upstream and downstream products of 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one?

For 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, Upstream Products: Antipyrine, iodomethane, Methyl p-toluenesulfonate.

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

Last updated:

How to cite: Jingsj. "5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 109249-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062480-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.