Product name:Estriol
CAS no: 50-27-1
EINECS:200-022-2
Molecular Formula:C18H24O3
Molecular Weight:288.38
Melting point:281-282 ºC
|
Appearance
|
White or almost white,odorless powder
|
|
Solubility
|
Conforms
|
|
Identification
|
Conforms
|
|
Specific Rotation
|
+54°to +62°
|
|
Residue On Ignition
|
≤0.1%
|
|
Loss On Drying
|
≤0.5%
|
|
Chromatographic Purity
|
≤2.0%
|
|
Residual Solvents
|
acetone≤0.5%
ethanol≤0.5%
|
|
Assay
|
97.0%~102.0%
(on the anhydrous basis)
|
|
Micronization
|
90% Not more than 20 microns
|
Packing details：25kg/drum
|
