gw-803430 gw-803430 gw-803430 (gw-3430) is a drug used in scientific research and is a selective non-peptide antagonist at the melanin concentrating hormone receptor mch1. in animal studies it has anxiolytic, antidepressant and anorectic effects. gw-803430clinical dataatc codenoneidentifiers iupac name 6-(4-chlorophenyl)-3--3h-thienopyrimidin-4-one cas number515141-51-2pubchem cid9826520chemspider8002263unii4r0136w1prcomptox dashboard (epa)dtxsid70199490 echa infocard100.230.542 chemical and physical dataformulac25h24cln3o3smolar mass482.00 g·mol−13d model (jsmol)interactive image smiles c5cccn5ccoc3ccc(cc3oc)-n1cnc2cc(sc2c1=o)-c(cc4)ccc4cl inchi inchi=1s/c25h24cln3o3s/c1-31-22-14-19(8-9-21(22)32-13-12-28-10-2-3-11-28)29-16-27-20-15-23(33-24(20)25(29)30)17-4-6-18(26)7-5-17/h4-9,14-16h,2-3,10-13h2,1h3key:mwulmtacibzpgn-uhfffaoysa-n (verify)