structural formula business number 017p molecular formula c18n20o2 molecular weight 268.35 label (e)-3,4-bis(4-hydroxyphenyl)-3-hexene, des, stilbestrol numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:56-53-1 mdl number:mfcd00002373 einecs number:200-278-5 rtecs number:wj5600000 brn number:2056095 pubchem number:24893887 physical property...