武汉华翔科洁生物技术有限公司
Description |
White or almost white crystalline powder |
white crystalline powder |
|
Identification |
IR Complies with the standard |
Complies |
|
Specific Rotation |
88°to 94° |
91.9° |
|
Loss on drying |
not more than 0.5% |
0.17% |
|
Residue on ignition |
not more than 0.1% |
0.04% |
|
Related substances by HPLC |
|||
- Any impurity |
≤1.0% |
0.26% |
|
- Total impurities |
≤2.0% |
0.91% |
|
英文名称:Beclomethasonedipropionate英文同义词:BetamethasoneDipropionateEPImpurityE;9-chloro-16-beta-methyl-11-beta,17,21-trihydroxy-pregna-1-4Chemicalbook-diene-20-dione;beclacin;becloforte;beclometasone17,21-dipropionate;becloval;beclovent;becotideCAS号:5534-09-8分子式:C28H37ClO7分子量:521.05熔点117-120C比旋光度D 98.0°(c=1.0indioxane)沸点613.3°C(rougChemicalbookhestimate)密度1.0766(roughestimate)折射率1.4429(estimate)
