CAS 303180-11-2 appears in our catalog under these names: 3,5–Pyrazoledicarboxylic acid monohydrate, 1H-Pyrazole-3,5-dicarboxylic acid monohydrate, 98% , 3,5-Pyrazoledicarboxylic acid monhydrate, Pyrazole-3,5-dicarboxylic Acid Monohydrate, >98.0%(HPLC)(T), 3,5-Pyrazoledicarboxylic acid monohydrate, 97%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI, Thermo Scientific (Acros). Available pack sizes: 100g, 25g, 500g, 5g, 10g, 50g, 1g, 1000g.