瑞舒伐他汀中间体-1 CAS 号:147118-35-2
(3R)-叔丁基二甲硅氧基-5-氧代-6-三苯基膦烯己酸甲酯
Methyl(3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidene
hexanoate
Chemical Name | Methyl(3R)-3-(tert-butyldimethylsilyloxy)-5-oxo- |
CAS Number | 147118-35-2 |
Molecular Formula | C31H39O4PSi |
Molecular Weight | 534.70 |
Molecular Structure | |
Shelf Life | Two Years |
Storage | Store in well-closed container, keep away from strong light and heat. |
Usage | Intermediate of Rosuvastatin |
SPECIFICATION
ITEMS | SPECIFICATION |
Appearance | Yellow to brown-yellow powder |
Identification | Meets to the requirements |
Specification Rotation | +8.0°~ +10.0° |
Loss on Drying | ≤0.5% |
Related Substances | Single impurity ≤1.0% |
Total impurities ≤5.0% | |
Heavy Metals | ≤0.005% |
Assay (on dried basis) | ≥98.0% |