Atorvastatin Impurities

Atorvastatin Impurities

1) Impurity Name: Atorvastatin Impurity A
Synonyms: Defluoro Atorvastatin Calcium Salt
CAS Number; 433289-83-9
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2) Impurity Name: Atorvastatin Impurity B
Synonyms: 3RS,5SR)-Atorvastatin Calcium
CAS Number; 433289-83-9

3) Impurity Name: Atorvastatin Related Compound B
Synonyms: (3S,5R)-Atorvastatin Calcium Salt
CAS Number:433289-83-9

4) Impurity Name: Atorvastatin Impurity C
Synonyms: Atorvastatin Difluoro Analog
CAS Number: 433289-83-9

5) Impurity Name: Atorvastatin Impurity D
Synonyms: Atorvastatin Diketo Epoxide Impurity
CAS Number: 148146-51-4

6) Impurity Name: Atorvastatin Impurity E
Synonyms: (3S,5S)-Atorvastatin Sodium ent-Atorvastatin Sodium
CAS Number: 501121-34-2

7) Impurity Name: Atorvastatin Impurity F
Synonyms: Atorvastatin Amide Acid Sodium Salt, Atorvastatin Di-Amide Acid Sodium Salt, Atorvastatin Diamino Impurity Sodium Salt

8) Impurity Name: Atorvastatin Impurity G
Synonyms: 3-O-Methyl Atorvastatin Sodium
CAS Number: 887196-29-4

9) Impurity Name: Atorvastatin Impurity H
Synonyms: Atorvastatin Lactone, Atorvastatin I'-Lactone
CAS Number: 125995-03-1

10)Impurity Name: Atorvastatin Impurity I
Synonyms: Atorvastatin Acetonide t-Butyl Ester (L1)
CAS Number: 125971-95-1

11) Impurity Name: Atorvastatin Methyl Ester
CAS Number: 345891-62-5

12) Impurity Name: Atorvastatin Pyrrolidone Analog (USP)
CAS Number: 148217-40-7