Ochem IUPAC naming

1 or highest priority Functional group

Carboxylic acid

Suffix name and Substituent names for carboxylic acid

-oic acid

carboxy

2 or second priority Functional group

Ester

Suffix name and Substituent names for ester

-oate

alkoxycarbonyl

3 or third priority functional group

Acid Chloride

Suffix name and Substituent names for Acid Chloride

-oyl chloride

chlorocarbonyl

4 or fourth priority functional group

Amide

Suffix name and Substituent names for Amide

-amide

carbamoyl

5 or fifth priority functional group

Nitrile

Suffix name and Substituent names for Nitrile

-Nitrile

cyano

6 or sixth priority functional group

Aldehyde

Suffix name and Substituent names for Aldehyde

-al

oxo

7 or seventh priority functional group

Ketone

Suffix name and Substituent names for Ketone

-one

oxo

8 or eighth priority functional group

Alcohol

Suffix name and Substituent names for Alcohol

-ol

hydroxy

9 or ninth priority functional group

Amine

Suffix name and Substituent names for Amine

-amine

amino

10 or tenth priority functional group

ether

Suffix name and Substituent names for ether

ether**

alkoxy

11 or eleventh priority functional group

Alkyne

Suffix name and Substituent names for Alkyne

-yne

-yn-***

12 or twelfth priority functional group

Alkene

Suffix name and Substituent names for Alkene

-ene

-en-***

13 or thirteenth priority functional group

Alkane

Suffix name and Substituent names for alkane

-ane

alkyl

Esters

esters are names as alkyl -oate where the first word is the alkyl chain attached to the O of the ester

Ether

ether is used as a separate word not a suffix

Alkynes and alkenes

Alkynes and alkenes as substituents are added after parent chain (base word) and before other suffixes