<P> The following is a list of straight - chain and branched alkanes and their common names, sorted by number of carbon atoms . </P> <Table> <Tr> <Th> Number of C atoms </Th> <Th> Number of isomers </Th> <Th> Number of isomers including stereoisomers </Th> <Th> Molecular Formula </Th> <Th> Name of straight chain </Th> <Th> Synonyms </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> CH </Td> <Td> methane </Td> <Td> methyl hydride; natural gas </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> ethane </Td> <Td> dimethyl; ethyl hydride; methyl methane </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> propane </Td> <Td> dimethyl methane; propyl hydride </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> n - butane </Td> <Td> butyl hydride; methylethyl methane </Td> </Tr> <Tr> <Td> 5 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> n - pentane </Td> <Td> amyl hydride; Skellysolve A </Td> </Tr> <Tr> <Td> 6 </Td> <Td> 5 </Td> <Td> 5 </Td> <Td> </Td> <Td> n - hexane </Td> <Td> dipropyl; Gettysolve - B; hexyl hydride; Skellysolve B </Td> </Tr> <Tr> <Td> 7 </Td> <Td> 9 </Td> <Td> 11 </Td> <Td> </Td> <Td> n - heptane </Td> <Td> dipropyl methane; Gettysolve - C; heptyl hydride; Skellysolve C </Td> </Tr> <Tr> <Td> 8 </Td> <Td> 18 </Td> <Td> 24 </Td> <Td> </Td> <Td> n - octane </Td> <Td> dibutyl; octyl hydride </Td> </Tr> <Tr> <Td> 9 </Td> <Td> 35 </Td> <Td> 55 </Td> <Td> </Td> <Td> n - nonane </Td> <Td> nonyl hydride; Shellsol 140 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> 75 </Td> <Td> 136 </Td> <Td> </Td> <Td> n - decane </Td> <Td> decyl hydride </Td> </Tr> <Tr> <Td> 11 </Td> <Td> 159 </Td> <Td> 345 </Td> <Td> </Td> <Td> n - undecane </Td> <Td> hendecane </Td> </Tr> <Tr> <Td> 12 </Td> <Td> 355 </Td> <Td> 900 </Td> <Td> </Td> <Td> n - dodecane </Td> <Td> adakane 12; bihexyl; dihexyl; duodecane </Td> </Tr> <Tr> <Td> 13 </Td> <Td> 802 </Td> <Td> 7003241200000000000 ♠ 2412 </Td> <Td> </Td> <Td> n - tridecane </Td> <Td> </Td> </Tr> <Tr> <Td> 14 </Td> <Td> 7003185800000000000 ♠ 1858 </Td> <Td> 7003656300000000000 ♠ 6563 </Td> <Td> </Td> <Td> n - tetradecane </Td> <Td> </Td> </Tr> <Tr> <Td> 15 </Td> <Td> 7003434700000000000 ♠ 4347 </Td> <Td> 7004181270000000000 ♠ 18 127 </Td> <Td> </Td> <Td> n - pentadecane </Td> <Td> </Td> </Tr> <Tr> <Td> 16 </Td> <Td> 7004103590000000000 ♠ 10 359 </Td> <Td> 7004506990000000000 ♠ 50 699 </Td> <Td> </Td> <Td> n - hexadecane </Td> <Td> cetane </Td> </Tr> <Tr> <Td> 17 </Td> <Td> 7004248940000000000 ♠ 24 894 </Td> <Td> 7005143255000000000 ♠ 143 255 </Td> <Td> </Td> <Td> n - heptadecane </Td> <Td> </Td> </Tr> <Tr> <Td> 18 </Td> <Td> 7004605230000000000 ♠ 60 523 </Td> <Td> 7005408429000000000 ♠ 408 429 </Td> <Td> </Td> <Td> n - octadecane </Td> <Td> </Td> </Tr> <Tr> <Td> 19 </Td> <Td> 7005148284000000000 ♠ 148 284 </Td> <Td> 7006117377000000000 ♠ 1173770 </Td> <Td> </Td> <Td> n - nonadecane </Td> <Td> </Td> </Tr> <Tr> <Td> 20 </Td> <Td> 7005366319000000000 ♠ 366 319 </Td> <Td> 7006339684400000000 ♠ 3396844 </Td> <Td> </Td> <Td> n - icosane </Td> <Td> didecyl icosane </Td> </Tr> <Tr> <Td> 21 </Td> <Td> 7005910726000000000 ♠ 910 726 </Td> <Td> 7006989165000000000 ♠ 9891650 </Td> <Td> </Td> <Td> n - henicosane </Td> <Td> henicosane </Td> </Tr> <Tr> <Td> 22 </Td> <Td> 7006227863800000000 ♠ 2278638 </Td> <Td> 7007289720800000000 ♠ 28 972 080 </Td> <Td> </Td> <Td> n - docosane </Td> <Td> </Td> </Tr> <Tr> <Td> 23 </Td> <Td> 7006573158000000000 ♠ 5731580 </Td> <Td> 7007852893900000000 ♠ 85 289 390 </Td> <Td> </Td> <Td> n - tricosane </Td> <Td> </Td> </Tr> <Tr> <Td> 24 </Td> <Td> 7007144902450000000 ♠ 14 490 245 </Td> <Td> 7008252260276000000 ♠ 252 260 276 </Td> <Td> </Td> <Td> n - tetracosane </Td> <Td> tetrakosane </Td> </Tr> <Tr> <Td> 25 </Td> <Td> 7007367975880000000 ♠ 36 797 588 </Td> <Td> 7008749329719000000 ♠ 749 329 719 </Td> <Td> </Td> <Td> n - pentacosane </Td> <Td> paraffin wax </Td> </Tr> <Tr> <Td> 26 </Td> <Td> 7007938394120000000 ♠ 93 839 412 </Td> <Td> 7009223469503000000 ♠ 2234695030 </Td> <Td> </Td> <Td> n - hexacosane </Td> <Td> cerane; hexeikosane </Td> </Tr> <Tr> <Td> 27 </Td> <Td> 7008240215803000000 ♠ 240 215 803 </Td> <Td> 7009668889360300000 ♠ 6688893603 </Td> <Td> </Td> <Td> n - heptacosane </Td> <Td> </Td> </Tr> <Tr> <Td> 28 </Td> <Td> 7008617105614000000 ♠ 617 105 614 </Td> <Td> 7010200892965540000 ♠ 20 089 296 554 </Td> <Td> </Td> <Td> n - octacosane </Td> <Td> </Td> </Tr> <Tr> <Td> 29 </Td> <Td> 7009159050712100000 ♠ 1590507121 </Td> <Td> 7010605265434800000 ♠ 60 526 543 480 </Td> <Td> </Td> <Td> n - nonacosane </Td> <Td> </Td> </Tr> <Tr> <Td> 30 </Td> <Td> 7009411184676300000 ♠ 4111846763 </Td> <Td> 7011182896187256000 ♠ 182 896 187 256 </Td> <Td> </Td> <Td> n - triacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 31 </Td> <Td> 7010106603077910000 ♠ 10 660 307 791 </Td> <Td> 7011554188210352000 ♠ 554 188 210 352 </Td> <Td> </Td> <Td> n - hentriacontane </Td> <Td> untriacontane </Td> </Tr> <Tr> <Td> 32 </Td> <Td> 7010277112537690000 ♠ 27 711 253 769 </Td> <Td> 7012168355760721100 ♠ 1683557607211 </Td> <Td> </Td> <Td> n - dotriacontane </Td> <Td> dicetyl </Td> </Tr> <Tr> <Td> 33 </Td> <Td> 7010722140886600000 ♠ 72 214 088 660 </Td> <Td> 7012512681937135600 ♠ 5126819371356 </Td> <Td> </Td> <Td> n - tritriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 34 </Td> <Td> 7011188626236139000 ♠ 188 626 236 139 </Td> <Td> 7013156478553170800 ♠ 15 647 855 317 080 </Td> <Td> </Td> <Td> n - tetratriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 35 </Td> <Td> 7011493782952902000 ♠ 493 782 952 902 </Td> <Td> 7013478620491874470 ♠ 47 862 049 187 447 </Td> <Td> </Td> <Td> n - pentatriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 36 </Td> <Td> 7012129529758812800 ♠ 1295297588128 </Td> <Td> 7014146691564302648 ♠ 146 691 564 302 648 </Td> <Td> </Td> <Td> n - hexatriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 37 </Td> <Td> 7012340449078016100 ♠ 3404490780161 </Td> <Td> 7014450451875783866 ♠ 450 451 875 783 866 </Td> <Td> </Td> <Td> n - heptatriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 38 </Td> <Td> 7012896474747459500 ♠ 8964747474595 </Td> <Td> 7015138572461528594 ♠ 1385724615285949 </Td> <Td> </Td> <Td> n - octatriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 39 </Td> <Td> 7013236474789339690 ♠ 23 647 478 933 969 </Td> <Td> 7015427021791587840 ♠ 4270217915878409 </Td> <Td> </Td> <Td> n - nonatriacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 40 </Td> <Td> 7013624818011473410 ♠ 62 481 801 147 341 </Td> <Td> 7016131804461893261 ♠ 13 180 446 189 326 135 </Td> <Td> </Td> <Td> n - tetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 41 </Td> <Td> 7014165351455535782 ♠ 165 351 455 535 782 </Td> <Td> 7016407457513564218 ♠ 40 745 751 356 421 890 </Td> <Td> </Td> <Td> n - hentetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 42 </Td> <Td> 7014438242894769226 ♠ 438 242 894 769 226 </Td> <Td> 7017126146261761339 ♠ 126 146 261 761 339 138 </Td> <Td> </Td> <Td> n - dotetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 43 </Td> <Td> 7015116316970788642 ♠ 1163169707886427 </Td> <Td> 7017391089580997271 ♠ 391 089 580 997 271 932 </Td> <Td> </Td> <Td> n - tritetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 44 </Td> <Td> 7015309146101183685 ♠ 3091461011836856 </Td> <Td> 7018121411535755005 ♠ 1214115357550059889 </Td> <Td> </Td> <Td> n - tetratetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 45 </Td> <Td> 7015822716237222120 ♠ 8227162372221203 </Td> <Td> 7018377397853359443 ♠ 3773978533594435261 </Td> <Td> </Td> <Td> n - pentatetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 46 </Td> <Td> 7016219218340866834 ♠ 21 921 834 086 683 418 </Td> <Td> 7019117454670000000 ♠ 1.174 5467 × 10 </Td> <Td> </Td> <Td> n - hexatetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 47 </Td> <Td> 7016584818066219870 ♠ 58 481 806 621 987 010 </Td> <Td> 7019365973630000000 ♠ 3.659 7363 × 10 </Td> <Td> </Td> <Td> n - heptatetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 48 </Td> <Td> 7017156192366474590 ♠ 156 192 366 474 590 639 </Td> <Td> 7020114160680000000 ♠ 1.141 6068 × 10 </Td> <Td> </Td> <Td> n - octatetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 49 </Td> <Td> 7017417612400765382 ♠ 417 612 400 765 382 272 </Td> <Td> 7020356492610000000 ♠ 3.564 9261 × 10 </Td> <Td> </Td> <Td> n - nonatetracontane </Td> <Td> </Td> </Tr> <Tr> <Td> 50 </Td> <Td> 7018111774365174695 ♠ 1117743651746953270 </Td> <Td> 7021111437889999999 ♠ 1.114 3789 × 10 </Td> <Td> </Td> <Td> n - pentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 51 </Td> <Td> 7018299466000000000 ♠ 2.994 66 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - henpentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 52 </Td> <Td> 7018803107999999999 ♠ 8.031 08 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dopentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 53 </Td> <Td> 7019215578000000000 ♠ 2.155 78 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tripentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 54 </Td> <Td> 7019579192000000000 ♠ 5.791 92 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetrapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 55 </Td> <Td> 7020155745000000000 ♠ 1.557 45 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 56 </Td> <Td> 7020419149999999999 ♠ 4.1915 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 57 </Td> <Td> 7021112894000000000 ♠ 1.128 94 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 58 </Td> <Td> 7021304304000000000 ♠ 3.043 04 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 59 </Td> <Td> 7021820862000000000 ♠ 8.208 62 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonapentacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 60 </Td> <Td> 7022221586999999999 ♠ 2.215 87 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 61 </Td> <Td> 7022598581000000000 ♠ 5.985 81 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - henhexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 62 </Td> <Td> 7023161806000000000 ♠ 1.618 06 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dohexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 63 </Td> <Td> 7023437671999999999 ♠ 4.376 72 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - trihexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 64 </Td> <Td> 7024118462000000000 ♠ 1.184 62 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetrahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 65 </Td> <Td> 7024320829000000000 ♠ 3.208 29 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 66 </Td> <Td> 7024869413000000000 ♠ 8.694 13 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 67 </Td> <Td> 7025235738000000000 ♠ 2.357 38 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 68 </Td> <Td> 7025639552000000000 ♠ 6.395 52 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 69 </Td> <Td> 7026173603000000000 ♠ 1.736 03 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonahexacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 70 </Td> <Td> 7026471485000000000 ♠ 4.714 85 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 71 </Td> <Td> 7027128115000000000 ♠ 1.281 15 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - henheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 72 </Td> <Td> 7027348297000000000 ♠ 3.482 97 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - doheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 73 </Td> <Td> 7027947345000000000 ♠ 9.473 45 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - triheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 74 </Td> <Td> 7028257793000000000 ♠ 2.577 93 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetraheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 75 </Td> <Td> 7028701832000000000 ♠ 7.018 32 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentaheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 76 </Td> <Td> 7029191156000000000 ♠ 1.911 56 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexaheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 77 </Td> <Td> 7029520873999999999 ♠ 5.208 74 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptaheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 78 </Td> <Td> 7030141991000000000 ♠ 1.419 91 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octaheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 79 </Td> <Td> 7030387228000000000 ♠ 3.872 28 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonaheptacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 80 </Td> <Td> 7031105645000000000 ♠ 1.056 45 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 81 </Td> <Td> 7031288336000000000 ♠ 2.883 36 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - henoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 82 </Td> <Td> 7031787256000000000 ♠ 7.872 56 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dooctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 83 </Td> <Td> 7032215028000000000 ♠ 2.150 28 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - trioctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 84 </Td> <Td> 7032587532000000000 ♠ 5.875 32 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetraoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 85 </Td> <Td> 7033160590999999999 ♠ 1.605 91 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentaoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 86 </Td> <Td> 7033439100000000000 ♠ 4.391 00 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexaoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 87 </Td> <Td> 7034120102999999999 ♠ 1.201 03 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptaoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 88 </Td> <Td> 7034328612999999999 ♠ 3.286 13 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octaoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 89 </Td> <Td> 7034899409999999999 ♠ 8.994 10 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonaoctacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 90 </Td> <Td> 7035246244999999999 ♠ 2.462 45 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 91 </Td> <Td> 7035674392000000000 ♠ 6.743 92 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hennonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 92 </Td> <Td> 7036184752000000000 ♠ 1.847 52 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dononacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 93 </Td> <Td> 7036506282000000000 ♠ 5.062 82 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - trinonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 94 </Td> <Td> 7037138778999999999 ♠ 1.387 79 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetranonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 95 </Td> <Td> 7037380517999999999 ♠ 3.805 18 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentanonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 96 </Td> <Td> 7038104363999999999 ♠ 1.043 64 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexanonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 97 </Td> <Td> 7038286312999999999 ♠ 2.863 13 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptanonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 98 </Td> <Td> 7038785684999999999 ♠ 7.856 85 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octanonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 99 </Td> <Td> 7039215660000000000 ♠ 2.156 60 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonanonacontane </Td> <Td> </Td> </Tr> <Tr> <Td> 100 </Td> <Td> 7039592107000000000 ♠ 5.921 07 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hectane </Td> <Td> </Td> </Tr> <Tr> <Td> 101 </Td> <Td> 7040162608000000000 ♠ 1.626 08 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - henihectane </Td> <Td> </Td> </Tr> <Tr> <Td> 102 </Td> <Td> 7040446671000000000 ♠ 4.466 71 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dohectane </Td> <Td> </Td> </Tr> <Tr> <Td> 103 </Td> <Td> 7041122727000000000 ♠ 1.227 27 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - trihectane </Td> <Td> </Td> </Tr> <Tr> <Td> 104 </Td> <Td> 7041337282000000000 ♠ 3.372 82 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetrahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 105 </Td> <Td> 7041927143000000000 ♠ 9.271 43 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 106 </Td> <Td> 7042254918000000000 ♠ 2.549 18 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 107 </Td> <Td> 7042701051000000000 ♠ 7.010 51 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 108 </Td> <Td> 7043192839000000000 ♠ 1.928 39 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 109 </Td> <Td> 7043530557000000000 ♠ 5.305 57 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 110 </Td> <Td> 7044146003000000000 ♠ 1.460 03 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - decahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 111 </Td> <Td> 7044401866000000000 ♠ 4.018 66 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - undecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 112 </Td> <Td> 7045110633960000000 ♠ 1.106 3396 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - dodecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 113 </Td> <Td> 7045304791860000000 ♠ 3.047 9186 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tridecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 114 </Td> <Td> 7045838999940000000 ♠ 8.389 9994 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - tetradecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 115 </Td> <Td> 7046231229360000000 ♠ 2.312 2936 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - pentadecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 116 </Td> <Td> 7046636751550000000 ♠ 6.367 5155 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - hexadecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 117 </Td> <Td> 7047175553880000000 ♠ 1.755 5388 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - heptadecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 118 </Td> <Td> 7047483616670000000 ♠ 4.836 1667 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - octadecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 119 </Td> <Td> 7048133381829999999 ♠ 1.333 8183 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - nonadecahectane </Td> <Td> </Td> </Tr> <Tr> <Td> 120 </Td> <Td> 7048367574020000000 ♠ 3.675 7402 × 10 </Td> <Td> </Td> <Td> </Td> <Td> n - icosahectane </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="6">... </Td> </Tr> </Table> <Tr> <Th> Number of C atoms </Th> <Th> Number of isomers </Th> <Th> Number of isomers including stereoisomers </Th> <Th> Molecular Formula </Th> <Th> Name of straight chain </Th> <Th> Synonyms </Th> </Tr>

How many carbons are in the longest chain