Estriol, CAS 50-27-1, EINECS 200-022-2

Estril
API
Hormones
Also used in anti-aging skin care creams

Estriol

Synonyms:     1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol

CAS:        50-27-1

EINECS: 200-022-2

Molecular Formula:       C18H24O3

Molecular Weight: 288.38

Items	Requirement
Appearance	White or off white crystalline powder
Identification	Infrared absorption spectrophotometry should conform with CRS
Clarity of solution	The solution is clear and free from undissolved solid
Specific rotation	+54o to +62o
Loss on drying	0.5% max
Residue on ignition	0.1% max
Relative materials	Total impurities 2.0% max
Particle size	100% pass 10um
Assay	97-102%

 

Uses:  Estriol is used to mimic the activity of the naturally occurring female sex hormone oestrogen, and it helps to restore the natural balance of this hormone in the body.

It is a hormone known as oestrogen, sometimes known as hormone replacement therapy (HRT).

Estril is also used in anti-aging skin care creams.

Storage:   Store between 15 to 30oC.

Shelf life: 2 years in unopened container.