1-Methyl-4-nitropyrazole
1-甲基-4-硝基吡唑
Also known as: 1-Methyl-4-nitro-1H-pyrazole, 4-Nitro-1-methylpyrazole, 4-Nitro-1-methyl-1H-pyrazole, 1-Methyl-4-nitropyrazol
1-Methyl-4-nitropyrazole (CAS 3994-50-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2 and a molecular weight of 127.10100 g/mol. It is also known as 1-Methyl-4-nitro-1H-pyrazole, 4-Nitro-1-methylpyrazole and 4-Nitro-1-methyl-1H-pyrazole. Key properties include a boiling point of 244.4ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 101.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3994-50-1
- Jingsj CID
- J-1040995-8
- Molecular Formula
- C4H5N3O2
- Chinese Name
- 1-甲基-4-硝基吡唑
- Molecular Weight
- 127.10100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 244.4ºC at 760 mmHg |
|---|---|
| Density | 1.44g/cm3 |
| Flash Point | 101.6ºC |
Frequently Asked Questions
What is the CAS number of 1-Methyl-4-nitropyrazole?
The CAS number of 1-Methyl-4-nitropyrazole is 3994-50-1.
What are the molecular formula and molecular weight of 1-Methyl-4-nitropyrazole?
1-Methyl-4-nitropyrazole has molecular formula C4H5N3O2 and molecular weight 127.10100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-4-nitropyrazole (CAS 3994-50-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1040995-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.