Vincristine EP Impurity F (Leurosine)
CAS No. 23360-92-1 (free base); 54081-68-4 (Sulfate)
C46H56N4O9
M.W. 808.98

Vincristine EP Impurity B
CAS No. 68135-16-0
C46H56N4O9
M.W. 808.97

Vincristine EP Impurity D
CAS No. 3704-01-6
C44H54N4O9
M.W. 782.94

Vincristine EP Impurity C
CAS No. 18172-50-4
C45H56N4O9
M.W. 796.96

Vinblastine Sulfate (Vincristine EP Impurity H Sulfate)
CAS No. 143-67-9 (Sulfate); 865-21-4
C46H58N4O9. H2O4S
M.W. 810.99 98.08

Vincristine
CAS No. 57-22-7
C46H56N4O10
M.W. 824.98
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