Chemical Name: (2Ξ,3Ξ)-3-(4-fluorobenzoyl)-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide (D1) (as per EP) ; Epoxide Impurity, 3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide (as per USP)
Synonym: Atorvastatin USP Related Compound D ; Atorvastatin Diketo Epoxide ; 15-epi Carboprost ; Atorvastatin Degradation Product – ATV-FXA1
Atorvastatin EP Impurity D (D1) is chemically (2Ξ,3Ξ)-3-(4-fluorobenzoyl)-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide (D1) (as per EP) ; Epoxide Impurity, 3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide (as per USP). It is also known as Atorvastatin USP Related Compound D ; Atorvastatin Diketo Epoxide ; 15-epi Carboprost ; Atorvastatin Degradation Product – ATV-FXA1 . Atorvastatin EP Impurity D (D1) is supplied with detailed characterization data compliant with regulatory guideline.
