Sumatriptan EP Impurity E
CAS No. 88919-22-6
C12H17N3O2S
M.W. 267.35

Sumatriptan Impurity 8
CAS No. 4025-75-6
C7H6ClNO4S
M.W. 235.64

Sumatriptan Impurity 9
CAS No. 85952-29-0
C8H10N2O4S
M.W. 230.24

Sumatriptan Impurity 12
CAS No. 103628-44-0
C12H14N2O4S
M.W. 282.31

Sumatriptan EP Impurity A
CAS No. 545338-89-4
C27H37N5O2S
M.W. 495.69
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