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
24954-67-4
Alternate CAS Number
29968-78-3 (HCl salt)
CAS Number
223673-34-5
Alternate CAS Number
521284-21-9 (HCl salt)
CAS Number
24280-93-1
Alternate CAS Number
37415-62-6 (Mycophenolic Acid Sodium)