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

CAS Number
1329612-81-8;
Alternate CAS Number
1332724-08-9(HBr Salt);64169-45-5(Freebase)
CAS Number
64372-43-6
Alternate CAS Number
479065-02-6(HBr Salt);64169-39-7(Freebase)
CAS Number
97743-99-2
Alternate CAS Number
62498-67-3(Freebase);1188264-72-3(HBr Salt);97743-99-2(HCl Salt);62498-68-4(oxalate salt)
CAS Number
120202-69-9
Alternate CAS Number
120202-71-3(Salt)
CAS Number
141109-19-5
Alternate CAS Number
402746-54-7(Sulphate Salt)
CAS Number
14007-64-8
Alternate CAS Number
NA
CAS Number
90-27-7
Alternate CAS Number
NA
CAS Number
18109-80-3(free base)
Alternate CAS Number
18109-81-4(Citrate salt)