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

CAS Number
133210-96-5(Freebase)
Alternate CAS Number
526204-10-4(HCl Salt)
CAS Number
2588261-49-6 (free base); 2588261-50-9 (Ca salt)
CAS Number
141109-19-5
Alternate CAS Number
402746-54-7(Sulphate Salt)
CAS Number
207559-01-1
CAS Number
1329745-98-3(Freebase)
Alternate CAS Number
2575516-42-4(Salt)