Seniority Table of Functional Group
Prefix NameGroupSuffixes
Carboxy-COOH-oic acid
Sulpho-SO3H
-sulphonic acid
Alkoxycarbonyl-COORAlkyl----carbonyl
Halocarbonyl-COCl-oylhalide
Aminocarbonyl-CONH2-amide
Cyano-CN-nitril
Isocyano-NC-carbylamine
Aldo/Formyl-CHO-al
Oxo/Keto-CO- (>C=O)-one
Hydroxy--OH-ol
Mercepto--SH-thiol
Amino--NH2-amine
Alkoxy-OR-----------------
Epoxy-C-C------------------
----------------=-ene
----------------
-yne
Aryl(Phenyl)-Ar(-C6H5)
Aromatic (Benzene)
Azo-N=N-------------------
Nitro-NO2------------------
Nitrito-ONO------------------
Nitroso-NO------------------
Halo(Fluoro/Chloro/Bromo/Iodo)-X(-F/-Cl/-Br/-I)-halide(Fluoride/Chloride/Bromide/Iodide)
Alkyl-Ralnane