CAS: 54-85-3 Molecular Formula: C6H7N3O Molecular Weight (g/mol): 137.14 MDL Number: MFCD00006426 InChI Key: QRXWMOHMRWLFEY-UHFFFAOYSA-N Synonym: isoniazid,isonicotinic acid hydrazide,isonicotinohydrazide,rimifon,isoniazide,nydrazid,isonicotinic hydrazide,laniazid,isonicotinylhydrazine,andrazide PubChem CID: 3767 ChEBI: CHEBI:6030 IUPAC Name: pyridine-4-carbohydrazide SMILES: C1=CN=CC=C1C(=O)NN