QNMR, D2O Exchange, 13C NMR, 13C APT, COSY NMR, NOESY NMR, 15N NMR, HSQC NMR, HMQC NMR, and HMBC NMR. These are available upon request and may be free or subject to additional charges.
설명
4-니트로소메틸아미노피리딘(NMAP, CAS 16219-99-1)은 분자식 C6H7N3O, 분자량 137.14 g/mol의 피리딜계 니트로사민 불순물이다. N-니트로소화된 아미노피리딘으로서 니트로사민류에 특징적인 전자친화성과 유전독성 우려를 나타낸다. 이러한 종은 합성 과정 또는 니트로소화 조건의 저장 중에 아미노 전구체의 니트로소화로부터 생성될 수 있다. 규제적 평가는 일반적으로 DNA 반응성 불순물에 대한 ICH M7 원칙과 연계된다. 극미량 정량에는 LC-MS/MS, GC-MS 또는 고분해능 질량분석이 필요하며, 매트릭스 간섭과 선택성 관리가 중요하다.
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