1500 ng/day is the U.S. FDA’s current Acceptable Intake (AI) limit for N-nitroso-enalaprilat (NDSRI). Refer to the FDA nitrosamine page for the latest guidance.
N-Nitroso Enalaprilat은 enalaprilat의 N-니트로소화 유도체로, 구조적으로 잠재적 유전독성 우려를 갖는 니트로사민 불순물로 분류된다. 분자식은 C18H23N3O6이며 분자량은 377.40 g/mol이다. 생성은 합성, 공정 또는 저장 중에 2차 아민 작용기가 산성 미세환경에서 아질산염 공급원과 접촉할 때 니트로소화 조건에 의해 발생할 수 있다. 규제 관점에서 이러한 종은 DNA 반응 가능성 때문에 ICH M7 원칙과 니트로사민 특이적 위해 관리 틀에 따라 평가된다. 미량 검출 및 정량에는 일반적으로 LC-MS/MS가 요구되며, 적절한 유도체화 후 고분해능 LC-MS 또는 GC-MS가 보완적으로 사용된다.
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