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
100986-85-4
Alternate CAS Number
138199-71-0(Hemihydrate Salt)
CAS Number
151250-76-9
Alternate CAS Number
1346603-62-0(HCl salt)
CAS Number
51-48-9
Alternate CAS Number
25416-65-3(Na Salt);55-03-8(Sodium Salt)
CAS Number
34552-83-5
Alternate CAS Number
53179-11-6 (Free base)
CAS Number
53179-11-6
Alternate CAS Number
34552-83-5(HCl Salt)
CAS Number
3625-06-7
Alternate CAS Number
2753-45-9(HCl Salt)
CAS Number
86347-15-1(HCl salt)
Alternate CAS Number
86347-14-0(Freebase)
CAS Number
59-05-2
Alternate CAS Number
133073-73-1(Hydrate Salt);NA(Disodium Tetrahydrate)