4-Hydroxypyrazole
4-羟基吡唑
Also known as: 1H-pyrazol-4-ol, pyrazol-4-ol, 4-HP
4-Hydroxypyrazole (CAS 4843-98-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H4N2O and a molecular weight of 84.07670 g/mol. It is also known as 1H-pyrazol-4-ol, pyrazol-4-ol and 4-HP. Key properties include a boiling point of 326.1ºC at 760mmHg, a density of 1.415g/cm3 and a flash point of 151ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4843-98-5
- Jingsj CID
- J-1151681-3
- Molecular Formula
- C3H4N2O
- Chinese Name
- 4-羟基吡唑
- Molecular Weight
- 84.07670 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 326.1ºC at 760mmHg |
|---|---|
| Density | 1.415g/cm3 |
| Flash Point | 151ºC |
Frequently Asked Questions
What is the CAS number of 4-Hydroxypyrazole?
The CAS number of 4-Hydroxypyrazole is 4843-98-5.
What are the molecular formula and molecular weight of 4-Hydroxypyrazole?
4-Hydroxypyrazole has molecular formula C3H4N2O and molecular weight 84.07670 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxypyrazole (CAS 4843-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1151681-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.