3-METHYLINDENE-2-CARBOXYLIC ACID
Product Name 3-METHYLINDENE-2-CARBOXYLIC ACID
CAS34225-81-5
MFC11H10O2
MW174.2
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MassMS-NW-6696 3-methyl-2-indenecarboxylic acid C11H10O2 (Mass of molecular ion: 174)
Source Temperature: 260 °C Sample Temperature: 190 °C Reservoir, 75 eV
17.0 1.0 18.0 4.4 27.0 2.3 28.0 1.2 38.0 1.2 39.0 5.0 44.0 2.7 45.0 2.2 50.0 5.6 51.0 12.8 52.0 2.0 53.0 1.1 61.0 1.4 62.0 3.4 63.0 10.0 63.5 5.0 64.0 7.6 64.5 2.2 65.0 1.7 74.0 4.9 75.0 5.3 76.0 3.5 77.0 11.6 77.5 3.2 78.0 4.1 86.0 1.4 87.0 2.4 89.0 2.3 91.0 1.4 98.0 1.3 101.0 3.4 102.0 7.3 103.0 4.4 114.0 1.7 115.0 36.8 116.0 4.7 126.0 5.3 127.0 25.6 128.0 57.3 129.0 100.0 130.0 55.9 131.0 9.3 132.0 1.2 145.0 1.4 146.0 4.3 155.0 3.6 156.0 4.4 157.0 3.7 174.0 77.6 175.0 10.3 176.0 1.1
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C11 H10 O2 0.037 g : 0.5 ml DMSO-d6 3-methyl-2-indenecarboxylic acid 
Assign. Shift(ppm)
A 12.2 B 7.55 to 7.52 C 7.38 D 3.597 E 2.484
Hz ppm Int.3023.71 7.566 116 3021.70 7.561 112 3020.78 7.559 107 3019.50 7.556 96 3016.94 7.549 130 3015.65 7.546 151 3015.10 7.545 148 3011.26 7.535 108 3010.52 7.533 116 3009.43 7.531 99 3006.68 7.524 90 3005.58 7.521 121 3005.03 7.520 117 3002.65 7.514 128 3002.10 7.512 122 2958.51 7.403 43 2953.19 7.390 192 2951.54 7.386 298 2948.06 7.377 316 2944.95 7.369 216 2944.40 7.368 215 2943.12 7.365 183 2937.81 7.351 41 1438.96 3.601 346 1436.76 3.596 339 997.71 2.497 513 995.33 2.491 1000 992.95 2.485 455
DMSO-d6
KBr disc
nujol mull
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