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

CAS Number
2227589-22-0
Alternate CAS Number
2408380-71-0 (Potassium salt)
CAS Number
503614-92-4(base)
Alternate CAS Number
1926236-73-8(sodium Salt)
CAS Number
171338-33-3
Alternate CAS Number
874460-46-5(HCl Salt)
CAS Number
1492952-76-7
Alternate CAS Number
2119669-71-3(HCl Salt)
CAS Number
198904-31-3(freebase)
Alternate CAS Number
198904-39-1 (HCl salt) ; 1643869-94-6 (HBr salt) ; 229975-97-7 (Sulfate salt)
CAS Number
2588261-49-6 (free base)
Alternate CAS Number
2588261-50-9 (Ca salt)
CAS Number
842103-12-2
Alternate CAS Number
840528-19-0(calcium salt)