| Message: | Basic Info.
Synonyms: Alpha-estradiol; 17A-estradiol
CAS: 57-91-0
EINECS: 200-354-8
Molecular Formula: C18H24O2
Molecular Weight: 272.39
Appearance :hite or off-white crystalline powder
Assay :99%min.
Melting range:216-224 oC
Specific rotation:+52o to +60o
Loss on drying :3.5%MAX
Monor impurity :0.2%MAX
Total impurities:1.0% max
Description:
Estradiol (called α - estradiol or 17α - estradiol) for human breast cancer cells in tissue culture biologically active estrogen. Not part of the 17- and selective estrogen receptor (ER-X) traditional hormone / receptor of the endocrine system, but an important autocrine / paracrine function of the system is part of the growth in the adult brain. In menopause, and neurodegenerative diseases (eg Alzheimer's disease and ischemic stroke) treatment, 17- estradiol may have important implications for hormone replacement therapy thing.
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