3-methyl-1H-pyrazol-5-ol
3-甲基-1H-吡唑-5-醇
Also known as: 5-Methyl-1,2-dihydro-3H-pyrazol-3-one, 5-Methyl-2H-pyrazol-3-ol, 5-Hydroxy-3-methylpyrazole, 3-Methyl-5-pyrazolone, 3-Methyl-5-hydroxypyrazole, 3-Methylpyrazolin-5-one, 3-Methylpyrazolone-5
3-methyl-1H-pyrazol-5-ol (CAS 132712-71-1) 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 5-Methyl-1,2-dihydro-3H-pyrazol-3-one, 5-Methyl-2H-pyrazol-3-ol and 5-Hydroxy-3-methylpyrazole. Key properties include a melting point of 220-224°C, a boiling point of 309.7±22.0°C at 760 mmHg, a density of 1.107g/cm3 and a flash point of 141.1°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 132712-71-1
- Jingsj CID
- J-1044321-5
- Molecular Formula
- C4H6N2O
- Chinese Name
- 3-甲基-1H-吡唑-5-醇
- 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 | 220-224°C |
|---|---|
| Boiling Point | 309.7±22.0°C at 760 mmHg |
| Density | 1.107g/cm3 |
| Flash Point | 141.1°C |
Frequently Asked Questions
What is the CAS number of 3-methyl-1H-pyrazol-5-ol?
The CAS number of 3-methyl-1H-pyrazol-5-ol is 132712-71-1.
What are the molecular formula and molecular weight of 3-methyl-1H-pyrazol-5-ol?
3-methyl-1H-pyrazol-5-ol has molecular formula C4H6N2O and molecular weight 98.10320 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-methyl-1H-pyrazol-5-ol (CAS 132712-71-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1044321-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.