4-bromo-1H-pyrazole-5-carbaldehyde

4-溴-1H-吡唑-5-甲醛

Also known as: 4-bromo-1H-pyrazole-5-carboxaldehyde, 4-bromopyrazole-5-carboxaldehyde, 1H-pyrazole-3-carboxaldehyde, 4-bromo-, 4-bromo-2H-pyrazole-3-carbaldehyde, 4-bromo-2H-pyrazole-3-carboxaldehyde, 4-bromopyrazole-5-carboxaldehyde dimer, BUTTPARK 4357-43

4-bromo-1H-pyrazole-5-carbaldehyde (CAS 287917-97-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrN2O and a molecular weight of 174.98300 g/mol. It is also known as 4-bromo-1H-pyrazole-5-carboxaldehyde, 4-bromopyrazole-5-carboxaldehyde and 1H-pyrazole-3-carboxaldehyde, 4-bromo-. Key properties include a melting point of 178-180ºC, a boiling point of 338.3ºC at 760 mmHg, a density of 1.969g/cm3 and a flash point of 158.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

287917-97-9

Jingsj CID

J-1091692-8

Molecular Formula

C₄H₃BrN₂O

Chinese Name

4-溴-1H-吡唑-5-甲醛

Molecular Weight

174.98300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026