17α-Estradiol

CAS: 57-91-0

Ref. TR-E887995

Product Information

• Name: 17α-Estradiol
• Synonyms: 17alpha-Estradiol, 17-epi-Estradiol, Estra-1,3,5(10)-triene-3,17alpha-diol, Estradiol Hemihydrate Imp. B (EP), Ethinylestradiol Imp. L (EP), Alfatradiol
• Brand: TRC
• Description: Impurity Estradiol 17?-Hydroxy Impurity; Estradiol EP Impurity B; Ethinylestradiol EP Impurity LApplications Estradiol (known as α-Estradiol or 17 α-Estradiol) is a biologically active estrogen in human breast cancer cells in tissue culture. 17-Εstradiol and its selective receptor, ER-X, are not part of a classical hormone/receptor endocrine system but of a system with important autocrine/paracrine functions in the developing and adult brain(1,2). 17-Estradiol may have enormous implications for hormone replacement strategies at the menopause and in the treatment of such neurodegenerative disorders as Alzheimer’s disease and ischemic stroke(3).This compound is a contaminant of emerging concern (CECs). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.References 1. Lievertz, R. et al.: J. Obstet. Gynecol. 1987 May;156(5):1289-932. Kuhnz, W. et al.: Arzneimittelforschung. 1993 Sep;43(9):966-73.3. Toran-Allerand, C. et al.: Endocrinology. 2005 Sep;146(9):3843-50.

Chemical properties

• Molecular weight: 272.38
• Formula: C₁₈H₂₄O₂
• Color/Form: White
• InChI: InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17-,18+/m1/s1
• InChI key: InChIKey=VOXZDWNPVJITMN-SFFUCWETSA-N
• SMILES: C[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC[C@H]2O