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Products
Estrone |
Name:
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Estrone |
CAS#: |
[53-16-7] |
Molecular formula : |
C18H22NO2 |
Molecular weight : |
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Structural formula: |
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Quality standard: |
USP29
ITEM |
SPECIFICATION |
RESULTS |
Description |
White crystals or crystalline powder |
White crystals |
Identification |
A.B conform to standard |
complies |
Clarity of solution |
The solution is clear |
The solution is clear |
Specific rotation |
+158°~+165° |
+163.5° |
Residue on ignition |
Not more than 0.5% |
0.09% |
Limit bof equilenin and equilin |
Meet the requiement |
conform |
Ordinary impuritles |
Meet the requiement |
conform |
Residual solvents |
Meet the requiement |
conform |
Loss on drying |
Not more than0.5% |
0.05% |
Assay |
97.0%~103.0% |
98.4% |
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Packing: |
Normal packing or following your demand |
Label: |
White-labelling or following your demand |
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