Heterocyclic compound is a major class of organic chemical compounds characterized by some or all of the atoms in their molecules are joined in rings containing atleast one atom of an element other than carbon.

CAS Number
131064-75-0
Alternate CAS Number
215447-89-5(HCl Salt)
CAS Number
109882-30-6
Alternate CAS Number
109882-29-3(HCl Salt)
CAS Number
129-06-6
Alternate CAS Number
67430-45-9(Na Clathrate Salt);81-81-2(Freebase)
CAS Number
42437-96-7
Alternate CAS Number
25333-42-0(freebase); 1884696-28-9(DBTA Salt)