API β-Estradiol 50-28-2 Estrogen Hormone Raw Material

Estradiol is a natural steroidal estrogen hormone released by mammals.

Product Name	β-Estradiol
Chemical Name	BETA-ESTRADIOL-16,16,17-D3
Other Name	17BETA-ESTRADIOL-16,16,17-D3;β-Estradiol, 99% (dry wt.), ca 3% water;1,3,5-Estratriene-3,17beta-diol;17beta-Estradiol;3,17beta-Dihydroxy-1,3,5(10)-estratriene;Dihydrofolliculin;Estradiol
CAS Number	50-28-2
Molecular Formula	C18H24O2
Formula Weight	272.39
Appearance	White or milky crystalline powder; odourless.
Assay	97.0% min
Melting Point	173-179 °C
Boiling Point	355.44°C
Density	1.0708 g/cm3
Package	20kg/bag/drum, 25kg/bag/drum, or as you required
Storage	Store the container tightly closed in a dry & cool place. Do not expose to direct sunlight.
COA & MSDS	Available
Application	For research purpose

TEST	ACCEPTANCE CRITERIONS	RESULTS
Characteristics	White or creamy white, crystalline powder	conform
Melting point	173 ~ 179℃	175.1~ 178.1℃
Specific rotation	﹢76°~﹢83°	﹢79.08°
Water	≤3.5%	0.79%
Assay	97 .0~ 103.0%	99.44%
Loss on drying	≤0.5%	0.16%
Related substances	any individual impurity ≤0.5%total impurities ≤1.0%	PassPass
Identification	Ultraviolet AbsorptionInfrared Absorption	Positive
Residual solvents	ethanol ≤0.5%	Pass
Particle size		Pass
Conclusion	This batch complies with USP 37

  Estradiol ( E2) is a medication and naturally occurring steroid hormone. It is an estrogen and is used mainly in menopausal hormone therapy and to treat low sex hormone levels in women. How should I take β-Estradiol? Contact: erica@zhuoerchem.com Payment terms T/T(telex transfer), Western Union, MoneyGram, Credit card, PayPal, Alibaba Trade Assurance, BTC(bitcoin), etc. Lead time ≤100kg: within three working days after payment received. ＞100kg: one week Sample Available. Package 20kg/bag/drum, 25kg/bag/drum or as you required. Storage Store the container tightly closed in a dry & cool place. Do not expose to direct sunlight.