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17 Alpha-Oestradiol (Epiestradial) Powder | Female Hormone

» Hormone Powder » Estrogen » 17 Alpha-Oestradiol (Epiestradial) Powder | Female Hormone

  • Specifications

Supplemental Estrogen 17 alpha-Oestradiol Epiestradial CAS 57-91-0

 

What is 17 Alpha-Oestradiol?

17 alpha-Oestradiol is a biologically active estrogen in human breast cancer cells in tissue culture. 17-Estradiol 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. 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.

 

17 Alpha-Oestradiol Chemical Profile

Synonyms: epiestradial;
CAS: 57-91-0
EINECS: 200-023-8
Assay: 98% min.
MF: C18H24O2
MW: 272.38

 

17 Alpha-Oestradiol Specification

Test Analysis Standard Analysis Standard
Characteristics White or creamy white, crystalline powder conform
Melting point 176-180 °C 178~ 179°C
Water ≤3.5% pass
Assay 97 .0~ 103.0% 99.3%
Loss on drying ≤0.5% 0.1%
Related substances total impurities ≤1.0% Pass
any individual impurity ≤0.5% Pass
Residual solvents ethanol ≤0.5% Pass

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