Sub Group: Chemical Amines Catalog Number: 6520 Formula: C5H9N3 CAS Number: 64517-88-0 Molecular Weight: 111.15 Synonyms: 1,3-Dimethyl-1H-pyrazol-4-amine1,3-Dimethyl-4-aminopyrazole4-Amino-1,3-dimethyl-1H-pyrazole