4-Bromo-1-methyl-1h-pyrazole-3-carbaldehyde

• CAT Number: R038438
• CAS Number: 287917-96-8
• Molecular Formula: C5H5BrN2O
• Molecular Weight: 189.01
• Purity: ≥95%
• Storage: Store at RT
• IUPAC Name: 4-bromo-1-methylpyrazole-3-carbaldehyde
• InChI: InChI=1S/C5H5BrN2O/c1-8-2-4(6)5(3-9)7-8/h2-3H,1H3
• InChIKey: KGIYMMPLYIITLL-UHFFFAOYSA-N
• SMILES: CN1C=C(C(=N1)C=O)Br

4-Bromo-1-methyl-1H-pyrazole-3-carbaldehyde（Cat No.:R038438）is a heterocyclic aromatic compound featuring a pyrazole ring substituted with a bromine atom at position 4, a methyl group at the nitrogen (position 1), and an aldehyde group at position 3. It appears as a pale solid and is commonly used as a building block in medicinal chemistry and organic synthesis. The presence of both electrophilic (aldehyde) and halogenated sites enables diverse chemical modifications, making it useful in the development of pharmaceuticals, agrochemicals, and fine chemicals. Its structure supports potential activity in heterocyclic compound libraries.