Benzenesulfonic Acid
CAS Number: 98-11-3
Molecular Formula: C6H6O3S
Molecular Weight: 158.17

Isopropanol
CAS Number: 67-63-0
Molecular Formula: C3H8O
Molecular Weight: 60.10

Atorvastatin EP Impurity A(Calcium Salt)
CAS Number: 433289-83-9
Molecular Formula: C33H35N2O5.1/2Ca
Molecular Weight: 559.68

(3S,5R)-Atorvastatin Calcium Salt
CAS Number: 887196-25-0
Molecular Formula: 1155.34
Molecular Weight: C66H68CaF2N4O10

Difluoro Atorvastatin Calcium Salt
CAS Number: 693793-53-2
Molecular Formula: 1191.34
Molecular Weight: C66H68CaF2N4O10

Atorvastatin EP Impurity I
CAS Number: 125971-95-1
Molecular Formula: C40H47FN2O5
Molecular Weight: 654.81

Atorvastatin EP Impurity F
CAS Number: 887196-24-9(free base)
Molecular Formula: 739.80
Molecular Weight: C40H47FN3NaO8

Atorvastatin EP Impurity E(Calcium Salt)
CAS Number: 1105067-88-6
Molecular Formula: C66H68CaF2N4O10
Molecular Weight: 1155.34