quinagolide quinagolide quinagolide (inn, ban), sold under the brand name norprolac, is a selective dopamine d2 receptor agonist which is used to reduce elevated levels of prolactin (hyperprolactinemia). it has also been found to be effective in the treatment of breast pain. it is used in the uk, but it is not available in us. quinagolide structure without stereochemistryclinical datatrade namesnorprolacahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codeg02cb04 (who) legal statuslegal status in general: ℞ (prescription only) identifiers iupac name n,n-diethyl-n-quinolin-3-yl]sulfamide cas number87056-78-8 npubchem cid55645chemspider2343034 yunii80q9qwn15mkeggd07217 ychemblchembl290962 ychemical and physical dataformulac20h33n3o3smolar mass395.56 g·mol−1 inchi inchi=1s/c20h33n3o3s/c1-4-10-22-14-17(21-27(25,26)23(5-2)6-3)11-16-12-18-15(13-19(16)22)8-7-9-20(18)24/h7-9,16-17,19,21,24h,4-6,10-14h2,1-3h3/t16-,17+,19-/m1/s1 ykey:gdfgtrdccwfxtg-zifcjyirsa-n y ny (what is this?) (verify) chemistry quinagolide is a racemate composed of the following two enantiomers: enantiomeres of quinagolide (+)-quinagolidcas number: 140630-79-1 (-)-quinagolidcas number: 140630-80-4