| Formula | IUPAC | Common Name (Source) | Click for Structure | |
| Small Saturated Straight Chain Carboxylic Acids |
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| CH2O2 | Methanoic Acid | Formic Acid | ||
| C2H4O2 | Ethanoic Acid | Acetic Acid | ||
| C3H6O2 | Propanoic Acid | Propionic Acid | ||
| C4H8O2 | n-Butanoic Acid | |||
| C5H10O2 | n-Pentanoic Acid | |||
| C6H12O2 | n-Hexanoic Acid | |||
| C7H14O2 | n-Heptanoic Acid | |||
| C8H16O2 | n-Octanoic Acid | |||
| C9H18O2 | n-Nonanoic Acid | |||
| C10H20O2 | n-Decanoic Acid | |||
| Saturated Straight Chain Fatty Acids |
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| C12H24O2 | n-Dodecanoic Acid | n-Lauric Acid (Coconut Oil) | ||
| C14H28O2 | n-Tetradecanoic Acid | n-Myristic Acid | ||
| C16H32O2 | n-Hexadecanoic Acid | n-Palmitic Acid (Palm Oil) | ||
| C18H36O2 | n-Octadecanoic Acid | n-Stearic Acid | ||
| C20H40O2 | n-Eicosanoic Acid | n-Arachidic Acid | ||
| C22H44O2 | n-Docosanoic Acid | n-Behenic Acid | ||
| C24H48O2 | n-Tetracosanoic Acid | n-Lignoceric Acid | ||
| cis-Monounsaturated Straight Chain Fatty Acids |
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| C16H30O2 (16:1) | cis-*9-hexadecenoic Acid | Palmitoleic Acid | ||
| C18H34O2 (18:1) | Oleic Acid | |||
| cis-Polyunsaturated Straight Chain fatty Acids |
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| C18H32O2(18:2) (w-6) | Linoleic Acid (LA) | |||
| C18H30O2 (18:3 *9,12,15) (w-3) | a-Linolenic Acid (ALA) | |||
| C18H3O2 (18:3 *6,9,12) (w-6) | y-Linolenic Acid | |||
| C20H32O2 (20:4) | Arachidonic Acid (AA) | |||
| C20H30O2 (20:5) | Eicosapentaenoic Acid /EPA | |||
| C22H32O2 (22:6) | Docosahexaenoic Acid (DHA) | |||
| trans-Monounsaturated Straight Chain Fatty Acids | ||||
| C18H34O2 (18:1 trans-11) | Transvaccenic (hydrogenated by b. fibrisolvens in ruminants) | |||
| C18H34O2 (18:1 trans-9) | Elaidic (from artificial hydrogenation) | |||
| trans-Polyunsaturated Straight Chain Fatty Acids | ||||
| C18H32O2 (18:2 cis-9-trans-11) | Rumenic Acid, the most biologically active trans-linoleic acid isomer |