norcodeine norcodeine norcodeine is an opiate analogue that is the n-demethylated derivative of codeine. it has relatively little opioid activity in its own right, but is formed as a metabolite of codeine following ingestion. not to be confused with norco (medication). norcodeineclinical dataatc codenonelegal statuslegal status ca: schedule i de: anlage i (authorized scientific use only) identifiers iupac name 3-methoxy-6α-hydroxy-4,5α-epoxy-7,8-didehydromorphinan cas number467-15-2 ypubchem cid9925873chemspider8101508 nunii32w9p3t4mlcomptox dashboard (epa)dtxsid8046327 echa infocard100.006.718 chemical and physical dataformulac17h19no3molar mass285.343 g·mol−13d model (jsmol)interactive image smiles coc1=c2c3=c(c453(ccn4)(o2)(c=c5)o)c=c1 inchi inchi=1s/c17h19no3/c1-20-13-5-2-9-8-11-10-3-4-12(19)16-17(10,6-7-18-11)14(9)15(13)21-16/h2-5,10-12,16,18-19h,6-8h2,1h3/t10-,11+,12-,16-,17-/m0/s1 nkey:hkoixwvrnlgfor-kofboressa-n n ny (what is this?) (verify) norcodeine is a schedule i narcotic controlled substance in the us with the acscn of 9309 and zero annual manufacturing quota. the salts in use are the acetate (free base conversion ratio 0.826), hydroiodide (0.662), hydrochloride (0.759), nitrate (0.819), platinichloride (0.582), and sulphate (0.744).