China (Mainland)
Betamethasone 378-44-9 CAS NO.378-44-9
- FOB Price: USD: 100.00-100.00 /Kilogram Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,Other
- Available Specifications:
1(1-100)Kilogram
- Product Details
Keywords
- Betamethasone
- Beta
- steroid
Quick Details
- ProName: Betamethasone 378-44-9
- CasNo: 378-44-9
- Molecular Formula: C22H29FO5
- Appearance: White or almost white,crystalline powd
- Application: API
- DeliveryTime: 3--5 days
- PackAge: Packing according to the arrangement
- Port: Shanghai,Guangzhou,Qingdao,Tianjing,Sh
- ProductionCapacity: 100 Kilogram/Week
- Purity: 99.8%
- Storage: Store in dry,ventilated place under no...
- Transportation: by air/ sea/ courier
- LimitNum: 1 Kilogram
Superiority
Quick Details
Superiority
Details
Quick Details
Superiority
Details
Item |
Standard |
Result |
Characters |
A white powder,odorless |
Conforms |
|
Identification |
The infrared absorbance spectrum is concordant with the reference spectrum |
Conforms |
|
The principal spot in the chromatogram obtained with the test solution is similar in position, color in daylight,fluorescence in UV light at 365nm and size to the principal spot in the chromatogram obtained with reference solution |
||
|
Specification optical rotation |
+114º- +122º |
+117.5º |
|
Color value |
Exhibits a max.absorption at 240nm,the absorbance is about 0.37-0.40 |
Exhibits a max.absorption at 239.40nm,the absorbance is about 0.397 |
|
Residual solvents |
Acetone≤5000ppm |
108ppm |
|
Methanol≤3000ppm |
307ppm |
|
|
Dichloromethane≤600ppm |
63pm |
|
|
DMF≤880ppm |
No detected |
|
|
Acetic Ester≤5000ppm |
106ppm |
|
|
Glacial Acetic Acid ≤5000ppm |
No detected |
|
|
Related substances
|
Any impurity≤1.0% ＞0.5% Impurity not more than one Total impurities≤1.0％ |
Any impurity<1.0% No impurity more than0.5% 0.68 |
|
Sulphated ash |
≤0.1% |
0.05 |
|
Loss on drying |
≤0.5% |
0.10 |
|
Assay |
98.5-103.0% |
99.2% |