CAS 321309-43-7 appears in our catalog under these names: 2-(3,5-Dimethyl-1h-pyrazol-4-yl)benzoic acid, 95%, 2-(3,5-Dimethyl-1H-pyrazol-4-yl)benzoic acid, 97% , 2-(3,5-Dimethyl-1H-pyrazol-4-yl)benzoic acid, ≥95%, ≥95%, 4-(2-Carboxyphenyl)-3,5-dimethylpyrazole. Offered by: Combi-blocks, Thermo Scientific, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg.