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Estrone sodium sulphate CAS NO.438-67-5
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton
- Product Details
Keywords
- 438-67-5
- Estrone sodium sulphate
- estrone 3-sulfate sodium
Quick Details
- ProName: Estrone sodium sulphate
- CasNo: 438-67-5
- Molecular Formula: C18H22NaO5S
- Appearance: White powder
- Application: Metabolism Drug; Carcino-Chemotherapeu...
- DeliveryTime: Within 2 weeks after order confirmati...
- PackAge: drum
- Port: Qingdao Port
- ProductionCapacity: 1000 Metric Ton/Year
- Purity: 99%min
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 438-67-5
Superiority
Details
|
Items |
Specification
|
Results |
|
appearance |
White or slightly yellow, crystalline powder |
White crystalline |
|
Solubility |
Practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrousethanol |
confirms |
|
Identification (IR) |
same wave numbers as that of the Vinpocetine, CRS similarly prepared CRS similarly prepared. |
Conforms |
|
Specific Optical Rotation(On dried basis) |
Between +127° and +134° |
+132.7° |
|
Related Substances (External Standard method) |
||
|
Ethyl vincaminate(A) |
≤0.6% |
Conforms |
|
Apovincamine(B) |
≤0.5% |
Conforms |
|
Methoxyvinpocetine(C) |
≤0.3% |
Not detected |
|
Dihydrovinpocetine(D) |
≤ 0.5% |
Not detected |
|
Other single impurity |
≤0.10% |
Conforms |
|
Total impurity |
≤ 1.0% |
0.19% |
|
Loss on drying
|
≤ 0.5% |
0.04% |
|
Sulphated ash
|
≤ 0.1% |
0.07% |
|
Assay(On dried basis) |
98.5% ~101,5% , |
100.2% |