A list of the most abundant fatty acids (M table 10.1) Common Name Systematic Name Abbreviation Structure Melting Point(C) Saturated Fatty Acids Capric n-Decanoic 10:0 CH3(CH2)COOH 31.6 Lauric n-Dodecanoic 120 CH3(CH2)1oCOOH 44.2 Myristic -Tetradecanoic 140 CH3(CH2)12COOH 53.9 Palmitic n-Hexadecanoic 160 CH3(CH2)1COOH 63.1 Stearic n-Octadecanoic 180 CH3(CH)1COOH 69.6 Arachidic n-Eicosanoic 200 CH3(CH2)1sCOOH 76.5 Behenic n-Docosanoic 220 CH(CH)COOH 81.5 Lignoceric n-Tetracosanoic 240 CH(CH)COOH 86.0 Cerotic n-Hexacosanoic 260 CHs(CH2)2COOH 88.5 Unsaturated Fatty Acids Palmitoleic cis-9-Hexadecenoic 16:lc△9 CH:(CH2)CH-CH(CH2)-COOH 0 Oleic cis-9-Octadecenoic 18:1c△9 CH(CH2)CH-CH(CH2)COOH Linoleic cs,c-9,12 18:2c△9,12 CH(CH)CH= 5 Octadecadienoic CHCH2CH=CH(CH2)COOH Linolenic al-cis9,12,15 18:3c△9,12,15 CHCH2CH-CHCH2CH= -11 Octadecatrienoic CHCH-CH-CH(CH)COOH Arachidonic al-cis5,8,1114 20:4c△5,8,11,14 CH(CH2)CH= -50 Eicosatetraenoic CHCH,CH-CHCH,CH- CHCH2CH=CH(CH)COOH Branched and Cyclic Acids CHs Tuberculostearic 1-D-10-Methyloctadecanoic CH:(CH2)CH(CH2)COOH 13.2 CH2 Lactobacillic co-(2-n-Octylcyclopropyl)- CH3(CH2);CH-CH(CH2)COOH 29 octadecanoic A list of the most abundant fatty acids (M table 10.1)