Metronidazole Impurity 4 (1-Methyl-4-Nitro-1H-Imidazole)
CAS No. 3034-41-1
C4H5N3O2
M.W. 127.10

Metronidazole-d3
CAS No. 83413-09-6
C6H6N3O3D3
M.W. 174.18

Hydroxy Metronidazole-d2
CAS No. 4812-40-2 (non-d)
C6H7N3O4D2
M.W. 189.17

Metronidazole Impurity 3
CAS No. 87009-72-1
C13H13N3O4
M.W. 275.26

Metronidazole Impurity 1
CAS No. 56750-04-0
C7H11N3O3
M.W. 185.18

Metronidazole Impurity 2 (Metronidazole benzoate)
CAS No. 13182-89-3
C13H13N3O4
M.W. 275.27

Metronidazole Impurity G-13C-d2
CAS No. 1010-93-1 (non-labelled)
13C5 CH5D2N3O4
M.W. 188.14
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