1,3-Dimethyl-4-nitro-1H-pyrazole
1,3-二甲基-4-硝基-1H-吡唑
Also known as: 1,3-Dimethyl-4-nitropyrazole, 1,3-Dimethyl-4-nitro-1H-pyrazol, 1,3-Dimethyl-4-nitro-pyrazole, 1H-Pyrazole, 1,3-dimethyl-4-nitro-
1,3-Dimethyl-4-nitro-1H-pyrazole (CAS 3920-38-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O2 and a molecular weight of 141.128 g/mol. It is also known as 1,3-Dimethyl-4-nitropyrazole, 1,3-Dimethyl-4-nitro-1H-pyrazol and 1,3-Dimethyl-4-nitro-pyrazole. Key properties include a boiling point of 243.0±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 100.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3920-38-5
- Jingsj CID
- J-1465337-9
- Molecular Formula
- C5H7N3O2
- Chinese Name
- 1,3-二甲基-4-硝基-1H-吡唑
- Molecular Weight
- 141.128 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243.0±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 100.7±21.8 °C |
Frequently Asked Questions
What is the CAS number of 1,3-Dimethyl-4-nitro-1H-pyrazole?
The CAS number of 1,3-Dimethyl-4-nitro-1H-pyrazole is 3920-38-5.
What are the molecular formula and molecular weight of 1,3-Dimethyl-4-nitro-1H-pyrazole?
1,3-Dimethyl-4-nitro-1H-pyrazole has molecular formula C5H7N3O2 and molecular weight 141.128 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dimethyl-4-nitro-1H-pyrazole (CAS 3920-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1465337-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.