3-Methyl-3-pyrazolin-5-one
3-甲基-3-吡唑啉-5-酮
Also known as: 3-Methyl-5-pyrazolone, 5-Methyl-2,4-dihydro-3H-pyrazol-3-one, 1,2-Dihydro-3-methyl-5H-pyrazol-5-one, 3-Hydroxy-5-methyl-1H-pyrazole, 3-Methyl-2-pyrazolin-5-one, 3-Methyl-3-pyrazoline-5-one, AKOS B028792, MFCD00010705
- CAS No.
- 4344-87-0
- Jingsj CID
- J-3802-3
- Molecular Formula
- C4H6N2O
- Chinese Name
- 3-甲基-3-吡唑啉-5-酮
- Molecular Weight
- 98.103 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 223-225 °C(lit.) |
|---|---|
| Boiling Point | 309.7 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 3-Methyl-3-pyrazolin-5-one?
4344-87-0
What are the molecular formula and molecular weight of 3-Methyl-3-pyrazolin-5-one?
C4H6N2O, molecular weight 98.103 g/mol
Is 3-Methyl-3-pyrazolin-5-one hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026