Atorvastatin Lactone
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API Impurity Name Pharmacopie/ Molecular Chemical structure Stock(Yes Or Imp Formula No) –lead time
Albendazole Albendazole sulfone BP C12H15N3O4S H Yes N O NH S N O H3C O O CH3
Albendazole Albendazole-2-amino EP/BP C10H13N3O2S H Yes -sulfone Imp D N (Albendazole imp D) O NH2 S N H C 3 O
Aspartame Aspartame related BP C13H14N2O4 O Yes compound (5-benzyl- 3,6-dioxo-2-piperazine HO NH acetic acid) O HN
O
Atropic acid 2-phenyl-2-propanoic Metabolite C9H9O2 CH2 Yes acid OH
O
Atorvastatin Atorvastatin Lactone Metabolite C33H33FN2O4 O Yes
CH O H3C 3 O OH N NH
F
Atorvastatin 3-oxo-atorvastatin Na Metabolite C33H32FN2NaO CH Yes H3C 3 salt 5 O O OH O N - + NH O Na
F