5-Methyl-2-phenyl-3-pyrazolidinone

5-甲基-2-苯基-3-吡唑烷酮

Also known as: 5-Methyl-2-phenylpyrazolidin-3-one, 3-Pyrazolidinone, 5-methyl-2-phenyl-, 1-Phenyl-3-methyl-5-pyrazolidone, 5-Methyl-2-phenyl-3-pyrazolidone, 2-Phenyl-5-methyl-3-pyrazolidinone, 1-Phenyl-3-methyl-pyrazolidon-5

5-Methyl-2-phenyl-3-pyrazolidinone (CAS 13292-56-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O and a molecular weight of 176.21500 g/mol. It is also known as 5-Methyl-2-phenylpyrazolidin-3-one, 3-Pyrazolidinone, 5-methyl-2-phenyl- and 1-Phenyl-3-methyl-5-pyrazolidone. Key properties include a boiling point of 269.9ºC at 760mmHg, a density of 1.126g/cm3 and a flash point of 117ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13292-56-3
Jingsj CID
J-1083164-3
Molecular Formula
C10H12N2O
Chinese Name
5-甲基-2-苯基-3-吡唑烷酮
Molecular Weight
176.21500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point269.9ºC at 760mmHg
Density1.126g/cm3
Flash Point117ºC

Frequently Asked Questions

What is the CAS number of 5-Methyl-2-phenyl-3-pyrazolidinone?

The CAS number of 5-Methyl-2-phenyl-3-pyrazolidinone is 13292-56-3.

What are the molecular formula and molecular weight of 5-Methyl-2-phenyl-3-pyrazolidinone?

5-Methyl-2-phenyl-3-pyrazolidinone has molecular formula C10H12N2O and molecular weight 176.21500 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methyl-2-phenyl-3-pyrazolidinone (CAS 13292-56-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083164-3 (accessed 2026-10-24).

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