Property Details Chemical Name 3-Aminopyrazole CAS Number 1820-80-0 Molecular Formula C3H5N3 Molecular Weight 83.0919 g/mol Synonyms 3-Pyrazolamine; 1H-Pyrazol-3-amine; 3-Amino-1H-pyrazole; 1H-5-Aminopyrazole; 5-Aminopyrazole Physical State Brownish to pale yellow liquid or …