CAS 1242184-42-4(free base) appears in our catalog under these names: Rosuvastatin EP Impurity G Sodium Salt, Rosuvastatin Impurity 11(Calcium Salt)(Rosuvastatin EP Impurity G), Rosuvastatin Impurity 11(Rosuvastatin EP Impurity G). Offered by: Chemat Brand, Hubei YoungXin. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg.