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
119532-26-2(HCl Salt)
Alternate CAS Number
41202-77-1(Freebase)
CAS Number
1008531-60-9(HCl Salt); 1428331-96-7 (hydrate) ; 2389989-55-1 (2HCl salt)
CAS Number
98-01-1(freebase)
Alternate CAS Number
721436-53-9 (hydrate)
CAS Number
203395-84-0(freebase)
Alternate CAS Number
2748462-55-5(HCl salt)
CAS Number
151257-01-1(Salt)
Alternate CAS Number
138402-05-8(Free base)
CAS Number
86-54-4
Alternate CAS Number
304-20-1(HCl salt)