2,4-dihydro-5-(4-methoxyphenyl)-2-phenyl-3H-pyrazol-3-one

2,4-二氢-5-(4-甲氧基苯基)-2-苯基-3H-吡唑-3-酮

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

2,4-dihydro-5-(4-methoxyphenyl)-2-phenyl-3H-pyrazol-3-one (CAS 454439-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H14N2O2 and a molecular weight of 266.29500 g/mol. It is also known as 1H-Pyrazol-5-ol, 3-(4-methoxyphenyl)-1-phenyl-, 5-(4-methoxyphenyl)-2-phenyl-4H-pyrazol-3-one and 5-(4-methoxyphenyl)-2-phenyl-2,4-dihydro-3H-pyrazol-3-one. Key properties include a boiling point of 403.6ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 197.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
454439-84-0
Jingsj CID
J-1499704-4
Molecular Formula
C16H14N2O2
Chinese Name
2,4-二氢-5-(4-甲氧基苯基)-2-苯基-3H-吡唑-3-酮
Molecular Weight
266.29500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point403.6ºC at 760 mmHg
Density1.19g/cm3
Flash Point197.9ºC

Frequently Asked Questions

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

The CAS number of 2,4-dihydro-5-(4-methoxyphenyl)-2-phenyl-3H-pyrazol-3-one is 454439-84-0.

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

2,4-dihydro-5-(4-methoxyphenyl)-2-phenyl-3H-pyrazol-3-one has molecular formula C16H14N2O2 and molecular weight 266.29500 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4-dihydro-5-(4-methoxyphenyl)-2-phenyl-3H-pyrazol-3-one (CAS 454439-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499704-4 (accessed 2026-10-25).

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