3-(4-Nitrophenyl)-1H-pyrazole
Also known as: 1H-Pyrazole, 3-(4-nitrophenyl)-, 3-(4-NITRO-PHENYL)-1H-PYRAZOLE, 3-(4-NITROPHENYL)PYRAZOLE, 3-(4-nitrophenyl)-2H-pyrazole, 5-(4-Nitro-phenyl)-1H-pyrazole, 5-(4-nitrophenyl)-1H-pyrazole, BUTTPARK 15\04-54, nitrophenylpyrazole
3-(4-Nitrophenyl)-1H-pyrazole (CAS 20583-31-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7N3O2 and a molecular weight of 189.171 g/mol. Key properties include a melting point of 195-197ºC, a boiling point of 430.0±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 213.9±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20583-31-7
- Jingsj CID
- J-1492113-2
- Molecular Formula
- C9H7N3O2
- Molecular Weight
- 189.171 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-197ºC |
|---|---|
| Boiling Point | 430.0±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 213.9±21.8 °C |
| Exact Mass | 189.053833 |
| PSA | 74.50000 |
| LogP | 1.84 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.643 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-(4-Nitrophenyl)-1H-pyrazole?
The CAS number of 3-(4-Nitrophenyl)-1H-pyrazole is 20583-31-7.
What are the molecular formula and molecular weight of 3-(4-Nitrophenyl)-1H-pyrazole?
3-(4-Nitrophenyl)-1H-pyrazole has molecular formula C9H7N3O2 and molecular weight 189.171 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(4-Nitrophenyl)-1H-pyrazole (CAS 20583-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492113-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.