1-Methyl-1H-pyrazol-3(2H)-one
1-甲基-1H-吡唑-3(2H)-酮
Also known as: 1-Methyl-1,2-dihydro-3H-pyrazol-3-one, 1-Methyl-3-pyrazolone, 3-Hydroxy-1-methylpyrazole, 3-Hydroxy-1-methyl-1H-pyrazole, 1-methyl-2,3-dihydro-1H-pyrazol-3-one, 1-Methylpyrazol-3(2H)-one, 1-Methyl-1H-pyrazol-3-ol, N-Methylpyrazolone
1-Methyl-1H-pyrazol-3(2H)-one (CAS 52867-35-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N2O and a molecular weight of 98.10320 g/mol. It is also known as 1-Methyl-1,2-dihydro-3H-pyrazol-3-one, 1-Methyl-3-pyrazolone and 3-Hydroxy-1-methylpyrazole. Key property: a melting point of 126-127°C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52867-35-3
- Jingsj CID
- J-863631-7
- Molecular Formula
- C4H6N2O
- Chinese Name
- 1-甲基-1H-吡唑-3(2H)-酮
- Molecular Weight
- 98.10320 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 126-127°C |
|---|
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1-Methyl-1H-pyrazol-3(2H)-one?
The CAS number of 1-Methyl-1H-pyrazol-3(2H)-one is 52867-35-3.
What are the molecular formula and molecular weight of 1-Methyl-1H-pyrazol-3(2H)-one?
1-Methyl-1H-pyrazol-3(2H)-one has molecular formula C4H6N2O and molecular weight 98.10320 g/mol.
Is 1-Methyl-1H-pyrazol-3(2H)-one hazardous?
1-Methyl-1H-pyrazol-3(2H)-one has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-1H-pyrazol-3(2H)-one (CAS 52867-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-863631-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.