Metabolites are produced during metabolism by breaking down of food, drugs, chemicals and tissues in the body. 

CAS Number
64-86-8
Alternate CAS Number
34371-48-7(HCl Salt)
CAS Number
1092939-17-7
Alternate CAS Number
941678-49-5(free base);2803478-47-7(hemifumarate salt);1883417-29-5(oxalate salt)