Contamination and Impurities
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Rosuvastatin 5-Oxo

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CAS Number: 1422619-13-3 (free acid)
Molecular Formula: C₂₂H₂₅FN₃O₆S .1/2 Ca
Molecular Weight: 498.55 g/mol

Product Details

CAS Number 1422619-13-3 (free acid)
Alternate CAS# 1422515-55-6 (Ca Salt)
Molecular Formula C₂₂H₂₅FN₃O₆S .1/2 Ca
Molecular Weight 498.55 g/mol
IUPAC Chemical Name (3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid calcium salt
Synonyms Rosuvastatin EP Impurity C (Calcium Salt); 3-Hydroxy-5-Keto Rosuvastatin
USP Name NA
EP Name
Rosuvastatin EP Impurity C (Calcium Salt)
Appearance Specifications Pale yellow to yellow solid
Storage Condition Refrigerator, Under Inert Atmosphere
Material Type Impurity standard
Melting Point  56-60°C

 

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