Estriol(E3) or oestriol is one of the three main estrogens in humans. Metabolites of estradiol and estrone. Among estrone, estradiol, and estriol, the activity of estriol was the weakest. It exists in urine, and the content is higher in urine during pregnancy.Acts on estrogen receptor negative breast cancer cells and antagonizes G-protein coupled estrogen receptor.
| Weight | 25 kg |
|---|---|
| Dimensions | 35 × 35 × 45 cm |
| Appearance | White powder |
| Loss on drying | Max. 0.50% |
| Specific rotation | +54degree ~ +62degree |
| Residue on Ignition | Max. 0.10% |
| Residual Solvents(GC) | Alcohol ≤ 5000ppm |
| Related substance | Max. 2.00% |
| Assay | 97.0%~102.0% |
Product data and descriptions listed are typical values, not intended to be used as specification.
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