pentifylline pentifylline pentifylline (marketed as cosaldon) is a vasodilator. pentifyllineclinical dataother names1-hexyltheophyllineatc codec04ad01 (who) identifiers iupac name 1-hexyl-3,7-dimethyl-3,7-dihydro-1h-purine-2,6-dione cas number1028-33-7 ypubchem cid70569chemspider63738 nuniimbm1c4k26skeggd07174 ycomptox dashboard (epa)dtxsid2057609 echa infocard100.012.584 chemical and physical dataformulac13h20n4o2molar mass264.329 g·mol−13d model (jsmol)interactive image smiles ccccccn1c(=o)c2=c(n=cn2c)n(c1=o)c inchi inchi=1s/c13h20n4o2/c1-4-5-6-7-8-17-12(18)10-11(14-9-15(10)2)16(3)13(17)19/h9h,4-8h2,1-3h3 nkey:mrwqrjmesrrjjb-uhfffaoysa-n n ny (what is this?) (verify)