pheniprazine pheniprazine pheniprazine (inn; also known as amphethydrazine and amphetamine hydrazide; brand names catron and cavodil; codename jb-516) is an irreversible and nonselective monoamine oxidase inhibitor (maoi) of the hydrazine chemical class that was used as an antidepressant in the 1960s. it was also used in the treatment of angina pectoris and schizophrenia. pheniprazine has been largely discontinued due to toxicity concerns such as jaundice, amblyopia, and optic neuritis. pheniprazineclinical dataroutes ofadministrationoralatc codenonelegal statuslegal status in general: uncontrolled identifiers iupac name (1-methyl-2-phenyl-ethyl)hydrazine cas number55-52-7 npubchem cid5929chemspider5716 yunii37vkd7067mchemblchembl22498 ycomptox dashboard (epa)dtxsid6043838 echa infocard100.000.215 chemical and physical dataformulac9h14n2molar mass150.225 g·mol−1 inchi inchi=1s/c9h14n2/c1-8(11-10)7-9-5-3-2-4-6-9/h2-6,8,11h,7,10h2,1h3 ykey:vxtwedpzmsvfef-uhfffaoysa-n y ny (what is this?) (verify)