Nº CAS: 50-28-2 Fórmula molecular: C18H24O2 Peso molecular: 272,39 Nº EINECS: 200-023-8
Purity
Estradiol contains not less than 97.0 per cent
and not more than 103.0 per cent of C18H24O2 calculated on the anhydrous basis.
Packaging and storage
Preserve in tight, light-resistant containers. Store at 25 °, excursions permitted between 15 ° and 30°
USP Reference standards
USP Estradiol RS
USP Estrone RS
Identification
A: Infrared Absorption (197M).
B: Ultraviolet Absorption(197U)
Solution: 50 ug per mL.
Medium: alcohol.
Absorptivities at 280 nm, calculated on the anhydrous basis,do not differ by more than 3.0%.