Functional group search
Name · alcoholPattern · R–OHSuffix · -olPrefix · hydroxy-
Science · Organic Chemistry
Functional Group Archive
Recognize the structural patterns that control organic molecules. Search functional groups, filter them by chemical family, compare naming rules, and open each entry for a focused look at properties, nomenclature, and common reaction behavior.
Chemical familyAll groups
Structure library
Functional Groups
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Nomenclature reference
Common Naming Precedence
This is a compact introductory-course guide for choosing a principal suffix when several familiar groups are present. Formal IUPAC nomenclature contains additional classes and special cases, so use this as a study reference rather than an exhaustive ruleset.
| Order | Group | Principal suffix | Prefix when subordinate | Common structural cue |
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Study mode
Recognition Drill
Identify a functional group from its structural pattern, suffix, prefix, or chemical clue.