CAS 58364-97-9 appears in our catalog under these names: 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid, 97%, 97%, 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid, 95%, 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid, 97%, 5–hydroxy–1–methyl–1H–pyrazole–3–carboxylic acid, 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid. Offered by: Chemat, Combi-blocks, AmBeed, GLPBio, Biosynth. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g, 0,5g, 500mg.