Nomenclingo
Build the IUPAC name by selecting fragments in order. Tap a tile to add it to your answer. Tap a placed tile to remove it.
Common Questions
What is IUPAC nomenclature?
IUPAC nomenclature is the systematic method for naming organic compounds established by the International Union of Pure and Applied Chemistry. It uses a root name based on the longest carbon chain, prefixes for substituents, and suffixes for functional groups.
How do you name an organic compound using IUPAC rules?
Find the longest carbon chain containing the highest-priority functional group (this gives the root name). Number the chain to give substituents the lowest possible locants. Name and number all substituents as prefixes, and add the suffix for the principal functional group.
What are common IUPAC suffixes for functional groups?
Common suffixes include: -ol (alcohol), -al (aldehyde), -one (ketone), -oic acid (carboxylic acid), -amine (amine), -ene (alkene), -yne (alkyne). The suffix determines the compound class.
How do you number substituents on a carbon chain?
Number the chain so the principal functional group gets the lowest possible locant. If there is a tie, give the lowest locant to the first point of difference among substituents. Use commas between numbers and hyphens between numbers and names.