Phenacetin Impurity 1 (4,4'-Azoxydiphenol)
CAS No. 15596-57-3
C12H10N2O3
M.W. 230.22

Phenacetin Impurity 2
CAS No. 614-26-6
C12H8Cl2N2O
M.W. 267.11

Phenacetin Impurity 3
CAS No. 24176-84-9
C14H13ClN2O2
M.W. 276.72

Phenacetin Impurity 5
CAS No. 65570-13-0
C10H15NO
M.W. 165.24

Phenacetin Impurity 6
CAS No. 823-86-9
C6H6ClNO
M.W. 143.57

Phenacetin Impurity 7
CAS No. 60457-49-0
C14H16N2O
M.W. 228.30
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