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

CAS Number
1105067-88-6(ca salt)
Alternate CAS Number
1428118-38-0(Na Salt); 501121-34-2(Freebase)
CAS Number
83881-46-3 (base)
Alternate CAS Number
83881-48-5 (2HCl)
CAS Number
409098-85-7 (free base)
Alternate CAS Number
503058-51-3(HCl salt)