API Impurities
Rosuvastatin N-Desmethyl Impurity
Rosuvastatin N-Desmethyl Impurity
(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt
Impurity reference standard used for related substances testing of Rosuvastatin drug substance and drug product per pharmacopoeial limits.
Specifications
- Chemical Name
- (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt
- CAS No.
- 371775-74-5 (acid)
- Catalogue No.
- RR-RST-R0816
- Molecular Formula
- C21H25FN3O6S . 1/2 Ca
- Molecular Weight
- 466.50 (M . 1/2 Ca) g/mol
