Aromatic compounds can be derived as cyclic compounds with alternating double and single bonds in their ring structure. Aromatic compounds consist of features like they contain at least one planar carbon ring and possess alternating double and single bonds in the carbon ring.

CAS Number
133210-96-5(Freebase)
Alternate CAS Number
526204-10-4(HCl Salt)
CAS Number
651770-09-1(free base); 1312366-79-2 (Ca salt); 131275-93-9 (Na salt)
CAS Number
141109-19-5
Alternate CAS Number
402746-54-7(Sulphate Salt)
CAS Number
62498-71-9(Salt)
Alternate CAS Number
63284-72-0(Freebase)
CAS Number
411221-53-9
Alternate CAS Number
1332724-03-4(Salt)
CAS Number
97743-99-2
Alternate CAS Number
62498-67-3(Freebase);1188264-72-3(HBr Salt);97743-99-2(HCl Salt);62498-68-4(oxalate salt)
CAS Number
119532-26-2(HCl Salt)
Alternate CAS Number
41202-77-1(Freebase)