4-bromo-5-methyl-3-nitro-1H-pyrazole

4-溴-5-甲基-3-硝基吡唑

Also known as: 4-bromo-3-methyl-5-nitro-1H-pyrazole, 4-bromo-3-methyl-5-nitropyrazole, 4-bromo-5-methyl-3-nitropyrazole, 1H-Pyrazole, 4-bromo-3-methyl-5-nitro-

4-bromo-5-methyl-3-nitro-1H-pyrazole (CAS 70951-96-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4BrN3O2 and a molecular weight of 205.99700 g/mol. It is also known as 4-bromo-3-methyl-5-nitro-1H-pyrazole, 4-bromo-3-methyl-5-nitropyrazole and 4-bromo-5-methyl-3-nitropyrazole. Key property: a boiling point of 331.9±37.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70951-96-1
Jingsj CID
J-928756-7
Molecular Formula
C4H4BrN3O2
Chinese Name
4-溴-5-甲基-3-硝基吡唑
Molecular Weight
205.99700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point331.9±37.0°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of 4-bromo-5-methyl-3-nitro-1H-pyrazole?

The CAS number of 4-bromo-5-methyl-3-nitro-1H-pyrazole is 70951-96-1.

What are the molecular formula and molecular weight of 4-bromo-5-methyl-3-nitro-1H-pyrazole?

4-bromo-5-methyl-3-nitro-1H-pyrazole has molecular formula C4H4BrN3O2 and molecular weight 205.99700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-bromo-5-methyl-3-nitro-1H-pyrazole (CAS 70951-96-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-928756-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.