Message: | High qualiry 99% purity Estradiol valerate CAS: 979-32-8
Specifications
Name: Estradiol valerate
CAS: 979-32-8
Specification: EP/USP
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Product Description
Specification:
Name: Estradiol valerate
Synonyms Estradiol-17-valerate; 1, 3, 5(10)-Estratriene-3, 17b-diol 17-pentanote
Molecular Formula C23H32O3
Molecular Weight 356.50
CAS Registry Number 979-32-8
EINECS 213-559-2
Melting point 144 º C
Items
Specification
Results
Appearance
White or almost-white,crystalline powder or colorless crystals
Conform
Identification
IR
Conform
Melting point
About 145 °C
147.5-149.2 °C
Appearance of solution
Clear and colorless
Conform
Solubility
Practically insoluble in water, soluble in alcohol.
Conform
Specific optical rotation
+41~+47 °
+44.73 °
Any impurity
≤ 0.5%
0.24%
Total impurity
≤ 1.0%
0.43%
Loss on drying
≤ 1.0%
0.04%
Assay
97.0 % ~103.0 %
99.35%
Micron
100% ≤ 20 μ m
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