3-Nitro-1H-pyrazole
3-硝基吡唑
Also known as: 5-Nitro-1H-pyrazole, 1H-Pyrazole, 3-nitro-, 1H-Pyrazole, 5-nitro-, 3(5)-Nitropyrazole, 3-nitro-1H-pyrazole
3-Nitro-1H-pyrazole (CAS 26621-44-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3N3O2 and a molecular weight of 113.07 g/mol. It is also known as 5-Nitro-1H-pyrazole, 1H-Pyrazole, 3-nitro- and 1H-Pyrazole, 5-nitro-. Key properties include a melting point of 173-175ºC, a boiling point of 334.0±15.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 155.8±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26621-44-3
- Jingsj CID
- J-1955880-6
- Molecular Formula
- C3H3N3O2
- Chinese Name
- 3-硝基吡唑
- Molecular Weight
- 113.07 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 173-175ºC |
|---|---|
| Boiling Point | 334.0±15.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 155.8±20.4 °C |
Frequently Asked Questions
What is the CAS number of 3-Nitro-1H-pyrazole?
The CAS number of 3-Nitro-1H-pyrazole is 26621-44-3.
What are the molecular formula and molecular weight of 3-Nitro-1H-pyrazole?
3-Nitro-1H-pyrazole has molecular formula C3H3N3O2 and molecular weight 113.07 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Nitro-1H-pyrazole (CAS 26621-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955880-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.