4992 4-Hydroxytamoxifen 4-Hydroxytamoxifen (Afimoxifene) is a metabolite of Tamoxifen. Afimoxifene (4-hydroxytamoxifen) is a selective estrogen receptor modulator which is the active metabolite of tamoxifen. Afimoxifene is a transdermal gel formulation and is being developed by Ascend Therapeutics, Inc. under the trademark TamoGel. (Wikipedia) 68047-06-3 449459 C26H29NO2 White powder. No indication of carcinogenicity to humans (not listed by IARC). 2014-09-11T05:23:13Z 2014-12-24T20:27:00Z C05011 44616 DB04468 true CC\C(=C(/C1=CC=C(O)C=C1)C1=CC=C(OCCN(C)C)C=C1)C1=CC=CC=C1 C26H29NO2 InChI=1S/C26H29NO2/c1-4-25(20-8-6-5-7-9-20)26(21-10-14-23(28)15-11-21)22-12-16-24(17-13-22)29-19-18-27(2)3/h5-17,28H,4,18-19H2,1-3H3/b26-25- InChIKey=TXUZVZSFRXZGTL-QPLCGJKRSA-N 387.514 387.219829177 Endogenous Solid HMDB60530