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124655-09-0 T-butyl-(3R,5S)-6-hydroxy 3,5-O-isopropylidene 3,5-dihydroxyhexanoate Rosuvastatin calcium intermediate C-2
Chemical name | (4R-Cis)-6-Hydroxymethyl -2,2-Dimethyl-1,3-Dioxane-4-Acetic Acid,1,1-Dimethyethyl Ester |
Appearance | Colorless or light yellow liquid |
CAS | 124655-09-0 |
Assay | ≥98.0%(GC) |
Packing | 25kg fluorated drum |
usage | Rosuvastatin calcium intermediate |
Test Item | Standard: USP |
Identification |
IR spectrum similar to that of RS |
HPLC retention time similar to that of RS |
|
Related substance |
Total impurities: NMT0.3% |
Single impurity: NMT0.1% |
|
Heavy metals |
NMT 10ppm |
Loss on drying |
NMT0.5% |
Residue on ignition |
NMT0.1% |
Assay |
98.5%-101.0% |
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