sc-17599 sc-17599 sc-17599 is a steroid derivative drug discovered in 1968 which acts as a selective μ-opioid receptor agonist, with little or no affinity for the δ-opioid or κ-opioid receptors. it is an active analgesic in vivo, more potent than codeine or pethidine but slightly less potent than morphine, and produces similar effects to morphine in animals but with less sedation sc-17599clinical dataother namessc-17599; 17α-acetoxy-6-dimethylaminomethyl-21-fluoro-3-ethoxypregna-3,5-dien-20-one; phenanthren-17-yl] acetatelegal statuslegal status in general: legal identifiers iupac name 6--3-ethoxy-21-fluoro-20-oxopregna-3,5-dien-17-yl acetate pubchem cid10436424chemspider8611848 nchemical and physical dataformulac28h42fno4molar mass475.645 g·mol−13d model (jsmol)interactive image smiles fcc(=o)1(oc(=o)c)cc24(cc12c)3(c(\c=c(\occ)cc3)=c(\cn(c)c)c4)c inchi inchi=1s/c28h42fno4/c1-7-33-20-8-11-26(3)22-9-12-27(4)23(10-13-28(27,25(32)16-29)34-18(2)31)21(22)14-19(17-30(5)6)24(26)15-20/h15,21-23h,7-14,16-17h2,1-6h3/t21-,22+,23+,26-,27+,28+/m1/s1 nkey:zpvgjkvijyuoci-orztvlamsa-n n ny (what is this?) (verify)