Aromatic compounds, or aromatics, are organic molecules distinguished by their stable, ring-shaped structures containing delocalized electrons, which confer a unique stability known as aromaticity.

CAS Number
5250-39-5
Alternate CAS Number
1847-24-1 (Na salt)
CAS Number
52468-60-7
Alternate CAS Number
30484-77-6(DiHCl Salt)
CAS Number
183814-30-4
Alternate CAS Number
73573-87-2 (Free Base) , 43229-80-7(Fumarate Salt)
CAS Number
73573-87-2
Alternate CAS Number
183814-30-4 (Formoterol Fumarate Dihydrate) , 43229-80-7(Fumarate Salt)
CAS Number
33288-71-0
Alternate CAS Number
84522-34-9 (Na salt)
CAS Number
13283-82-4
Alternate CAS Number
740028-90-4;(596-51-0;51186-83-5(Bromide salt)); 1624259-25-1(Tosylate Hydrate salt);873295-32-0(Iodide salt)