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CAS NO: | 50-27-1 | Assay: | 99.5% |
---|---|---|---|
Appearance: | White Crystalline Powders | Product Name: | Estriol |
MF: | C18H24O3 | Usage: | Pharmaceutical Raw Materials |
High Light: | cutting stack steroids,cutting anabolic steroids |
Cutting Steroids Estriol CAS 50-27-1 Pharmaceutical Raw Materials
Product name: Estriol
Synonym: 1, 3, 5(10)-Estratriene-3, 16a, 17b-triol
CAS No.: 50-27-1
EINECS: 200-022-2
M. F.: C18H24O3
M. W.: 288.3814
Assays: 98%
MP: 281-282° C
Appearance: White or nearly white crystalline powder
Estriol Description:
In pregnant women with multiple sclerosis, estriol reduces the disease's symptoms noticeably, according to researchers at UCLA's Geffen Medical School.
Estriol can be a weak or strong estrogen depending on if it is given acutely or chronically when given to immature animals, but is an antagonist when given in combination with estradiol. Estriol may play a role in the development of breast cancer, but based on in vitro research, does appear to act as an antagonist to the G-protein coupled estrogen receptor. Though estriol is used as part of the primarily North American phenomenon of bioidentical hormone replacement therapy, it is not approved for use by the FDAor Health Canada. Though initial research in the 1970s suggested it could be used therapeutically as an estrogen, subsequent research failed to confirm this hypothesis.
Estriol Specifications.
Test Items | Specification | Test Results |
Description | White or almost white crystalline powder | White crystalline powder |
Melting Point | 191.0~193.0ºC | 192ºC |
Loss of drying | ≤1.0% | 0.5% |
Heavy Metal | ≤20ppm | 15ppm |
TLC | Only one spot | Only one spot |
Assay | ≥99.5% | 99.91% |
Conclusion | It complies with the USP 32. |
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