CAS 27006-76-4 appears in our catalog under these names: 5-Chloro-1,3-dimethylpyrazole-4-carboxaldehyde, 5–Chloro–1,3–dimethyl–1H–pyrazole–4–carboxaldehyde, 5-Chloro-1,3-dimethylpyrazole-4-carboxaldehyde, >98.0%(GC), 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde, 98%, 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde, 97% . Offered by: Fluorochem, GLPBio, TCI, Combi-blocks, Thermo Scientific. Available pack sizes: 1g, 5g, 10g, 25g, 100g, 250mg, 500g.