Epinastine EP Impurity B (7-Bromo Epinastine)
CAS No. 1217052-16-8
C16H14BrN3
M.W. 328.21

Epinastine EP Impurity A (Dehydro Epinastine)
CAS No. 706753-75-5
C16H13N3
M.W. 247.30

Epinastine EP Impurity B HBr (7-Bromo Epinastine HBr)
CAS No. 1217052-16-8 (free base)
C16H14BrN3. HBr
M.W. 328.21 80.91

Epinastine Impurity 10
CAS No. 41218-85-3
C16H16N2
M.W. 236.32

Epinastine Impurity 6
CAS No. 143878-20-0
C23H18N2O2
M.W. 354.41

Epinastine Impurity 4
CAS No. 21535-43-3
C15H14ClNO
M.W. 259.73
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