5-Phenyl-2,4-dihydro-3H-pyrazol-3-one
5-苯基-2,4-二氢-3H-吡唑-3-酮
Also known as: 2,4-Dihydro-5-phenyl-3H-pyrazol-3-one, 3-Phenyl-1H-pyrazol-5(4H)-one, 3-Phenyl-2-pyrazolin-5-one, 5-Phenyl-1H-pyrazol-3-ol, 5-Hydroxy-3-phenyl-1H-pyrazole
5-Phenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 4860-93-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O and a molecular weight of 160.17300 g/mol. It is also known as 2,4-Dihydro-5-phenyl-3H-pyrazol-3-one, 3-Phenyl-1H-pyrazol-5(4H)-one and 3-Phenyl-2-pyrazolin-5-one. Key properties include a boiling point of 437.2ºC at 760 mmHg, a density of 1.206g/cm3 and a flash point of 218.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4860-93-9
- Jingsj CID
- J-1389906-6
- Molecular Formula
- C9H8N2O
- Chinese Name
- 5-苯基-2,4-二氢-3H-吡唑-3-酮
- Molecular Weight
- 160.17300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 437.2ºC at 760 mmHg |
|---|---|
| Density | 1.206g/cm3 |
| Flash Point | 218.2ºC |
Frequently Asked Questions
What is the CAS number of 5-Phenyl-2,4-dihydro-3H-pyrazol-3-one?
The CAS number of 5-Phenyl-2,4-dihydro-3H-pyrazol-3-one is 4860-93-9.
What are the molecular formula and molecular weight of 5-Phenyl-2,4-dihydro-3H-pyrazol-3-one?
5-Phenyl-2,4-dihydro-3H-pyrazol-3-one has molecular formula C9H8N2O and molecular weight 160.17300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Phenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 4860-93-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1389906-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.