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Estriol CAS NO. 50-27-1

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.

Additional information

Weight 25 kg
Dimensions 35 × 35 × 45 cm

White powder

Loss on drying

Max. 0.50%

Specific rotation

+54degree ~ +62degree

Residue on Ignition

Max. 0.10%

Residual Solvents(GC)

Alcohol ≤ 5000ppm



Product data and descriptions listed are typical values, not intended to be used as specification.

Identifying Information

Chemical Properties

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