5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide

5-氨基-4-溴-3-甲基吡唑氢溴化物

Also known as: 4-Bromo-3-methyl-1H-pyrazol-5-amine hydrobromide, 3-Amino-4-bromo-5-methyl-1H-pyrazole hydrobromide, 4-Bromo-5-methyl-1H-pyrazol-3-amine hydrobromide, 6-Amino-3-bromo-2-methylpyrazole hydrobromide, 3-Methyl-4-bromo-5-aminopyrazole hydrobromide, BUTTPARK 48\04-71

5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide (CAS 167683-86-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H7Br2N3 and a molecular weight of 256.92600 g/mol. It is also known as 4-Bromo-3-methyl-1H-pyrazol-5-amine hydrobromide, 3-Amino-4-bromo-5-methyl-1H-pyrazole hydrobromide and 4-Bromo-5-methyl-1H-pyrazol-3-amine hydrobromide. Key properties include a melting point of 178-181°C, a boiling point of 337.9ºC at 760mmHg, a density of 1.838g/cm3 and a flash point of 158.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
167683-86-5
Jingsj CID
J-23638-2
Molecular Formula
C4H7Br2N3
Chinese Name
5-氨基-4-溴-3-甲基吡唑氢溴化物
Molecular Weight
256.92600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178-181°C
Boiling Point337.9ºC at 760mmHg
Density1.838g/cm3
Flash Point158.1ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide is 167683-86-5.

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

5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide has molecular formula C4H7Br2N3 and molecular weight 256.92600 g/mol.

Is 5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide hazardous?

5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-Amino-4-bromo-3-methyl-1H-pyrazole hydrobromide (CAS 167683-86-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23638-2 (accessed 2026-10-24).

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