Structural formula Business number 01GZ Molecular formula C21H26O2 Molecular weight 310.44 label Ethinyl Estradiol Methyl Ether, mestranol, 17α-Ethynylestradiol 3-methyl ether, 3-Methoxy-17α-ethynylestradiol, 17α-Ethynyl-1,3,5(10)-estratriene-3, 17β-diol 3-methyl ether 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:72-33-3 MDL number:MFCD00003689...