Description
Technical Parameters
Product Brief Introduction
Product name: Estriol
CAS: 50-27-1
MF: C18H24O3
MW: 288.38
Product Specification
|
Appearance |
White or off-white crystalline powder |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard. |
|
|
UV: meet the standards |
|
Solubility |
Sparingly soluble in ethanol, insoluble in water. |
|
Clarity of Solution |
The solution is clear and free from undissolved solid. |
|
Specific Rotation |
+54.0°~ +62.0° |
|
Melting Point |
About 280.0℃ |
|
Loss on Drying |
≤0.5% |
|
Residue on Ignition |
≤0.1% |
|
Related Substances |
Total impurities ≤2.0% |
|
Residual Solvents |
Methanol≤3000ppm |
|
|
Acetone ≤5000ppm |
|
|
Dichloromethane ≤600ppm |
|
Micron |
90.0%≤10μm |
|
Assay |
97.0%~102.0% |
