Atorvastatin EP Impurity J는 Atorvastatin 3-Deoxy-Hept-2-Enoic Acid, 2,3-Anhydro Atorvastatin, Dehydro Atorvastatin Acid로도 불리며, 아토르바스타틴 골격에서 유래한 명확한 공정 관련 분해산으로서 단순한 입체이성질체가 아니다. CAS 1105067-93-3은 중성의 free-base 종에 해당하며, 분자식은 C33H33FN2O4, 분자량은 540.64 g/mol이다. 이 구조는 헵텐산 측쇄에서의 탈수 및 이중결합 이동을 시사하며, 합성 과정 또는 열, 산성, 산화 스트레스 조건에서의 제거 반응과 부합한다. 구조 규명과 정량에는 일반적으로 LC-MS/MS, 고분해능 MS, NMR이 필요하다.
References
Atorvastatin By Lindsey A McIver, Momin S Siddique Container: Nih.gov Publisher: StatPearls Publishing Year: 2021 URL: https://www.ncbi.nlm.nih.gov/books/NBK430779/
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