diampromide diampromide diampromide is an opioid analgesic from the ampromide family of drugs, related to other drugs such as propiram and phenampromide. it was invented in the 1960s by american cyanamid, and can be described as a ring-opened analogue of fentanyl. diampromideclinical dataother namesdiampromideatc codenonelegal statuslegal status au: s9 (prohibited substance) ca: schedule i de: anlage i (authorized scientific use only) us: schedule i un: psychotropic schedule i identifiers iupac name n--n-phenylpropanamide cas number552-25-0pubchem cid62370drugbankdb01502 ychemspider56158 yunii26g7yc77buchemblchembl2106220chemical and physical dataformulac21h28n2omolar mass324.468 g·mol−13d model (jsmol)interactive image smiles ccc(=o)n(cc(c)n(c)ccc1ccccc1)c1ccccc1 inchi inchi=1s/c21h28n2o/c1-4-21(24)23(20-13-9-6-10-14-20)17-18(2)22(3)16-15-19-11-7-5-8-12-19/h5-14,18h,4,15-17h2,1-3h3 ykey:rxthkwvsxoihjs-uhfffaoysa-n y (verify) diampromide produces similar effects to other opioids, including analgesia, sedation, dizziness and nausea, and is around the same potency as morphine. diampromide is in schedule i of the controlled substances act 1970 of the united states as a narcotic with acscn 9615 with a zero aggregate manufacturing quota as of 2014. it is listed under the single convention for the control of narcotic substances 1961 and is controlled in most countries in the same fashion as is morphine. it is highly poisonous.