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Table 8 Functional replacement prefixes and infixes

Prefix Infix Replaced atom(s) Replacing atom(s)
Amido- -amido-
Azido- -azido-
Bromo- -bromido-
Chloro- -chlorido-
Cyanato- -cyanatido-
Cyano- -cyanido-
Dithioperoxy- -dithioperoxo-,
Fluoro- -fluorido-
Iodo- -iodido-
Isocyanato- -isocyanatido-
Isocyano- -isocyanido-
-nitrido- and
Thiocyanato- -thiocyanatido-,
Isothiocyanato- -isothiocyanatido-,
Imido- -imido-
Hydrazido- -hydrazido-
Peroxy- -peroxo-
Seleno- -seleno- or or
Telluro- -telluro- or or
Thio- -thio- or or
Thioperoxy- -thioperoxo-, or

This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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