thromboxane b2 thromboxane b2 thromboxane b2 is an inactive metabolite/product of thromboxane a2. it is almost completely cleared in the urine. thromboxane b2 names preferred iupac name (5z)-7-hept-5-enoic acid identifiers cas number 54397-85-2 y 3d model (jsmol) interactive image chebi chebi:28728 n echa infocard 100.165.003 mesh thromboxane+b2 pubchem cid 5283137 unii v94m3r26zv y comptox dashboard (epa) dtxsid60903947 smiles ccccc(o)\c=c\1oc(o)c(o)1c\c=c/cccc(o)=o properties chemical formula c20h34o6 molar mass 370.48 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references it itself is not involved in platelet activation and aggregation in case of a wound, but its precursor, thromboxane a2, is. thromboxane a2 synthesis is the target of the drug aspirin, which inhibits the cox-1 enzyme (the source of thromboxane a2 in platelets). 2-(3,4-di-hydroxyphenyl)-ethanol (dhpe) is a phenolic component of extra-virgin olive oil. an olive oil fraction containing dhpe can inhibit platelet aggregation and thromboxane b2 formation in vitro.