sr-57227 sr-57227 sr-57227 is a potent and selective agonist at the 5ht3 receptor, with high selectivity over other serotonin receptor subtypes and good blood–brain barrier penetration. sr-57227identifiers iupac name 1-(6-chloropyridin-2-yl)piperidin-4-amine cas number77145-61-0pubchem cid131747iuphar/bps4316chemspider116402uniiow45b79uzdcomptox dashboard (epa)dtxsid8046953 dtxsid5045201, dtxsid8046953 echa infocard100.163.915 chemical and physical dataformulac10h14cln3molar mass211.69 g·mol−13d model (jsmol)interactive image smiles clc1=cc=cc(n2ccc(n)cc2)=n1 inchi inchi=1s/c10h14cln3/c11-9-2-1-3-10(13-9)14-6-4-8(12)5-7-14/h1-3,8h,4-7,12h2key:wpvvmkyqomjpin-uhfffaoysa-n