ATP05N: Azathioprine EP Impurity E

ATP05N: Azathioprine EP Impurity E

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Azathioprine BP Impurity E ;

1-Methyl-4-nitro-1H-imidazol-5-ol sodium salt ;

CAS # 73703-74-9 (free form) ; 35681-68-6 (sodium salt) ;

C4H4N3NaO3 ;
Mol. Wt.: 165.08 ;