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MassMS-IW-1101 2,4-dimethylglutaric acid C7H12O4 (Mass of molecular ion: 160)
Source Temperature: 150 °C Sample Temperature: 120 °C Direct, 75 eV
17.0 2.2 18.0 12.5 27.0 10.2 28.0 12.2 29.0 9.1 30.0 2.7 31.0 3.0 39.0 7.4 40.0 1.4 41.0 39.2 42.0 5.7 43.0 12.1 44.0 1.3 45.0 35.2 46.0 1.0 53.0 2.0 55.0 9.9 56.0 80.8 57.0 10.1 58.0 1.2 59.0 10.1 67.0 2.1 68.0 1.8 69.0 100.0 70.0 7.1 71.0 3.2 72.0 1.6 73.0 13.2 74.0 58.5 75.0 2.1 87.0 15.9 96.0 1.6 97.0 6.0 98.0 1.0 99.0 4.8 100.0 7.2 114.0 68.2 115.0 9.0 142.0 7.3 143.0 4.5
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H12 O4 0.036 g : 0.5 ml CDCl3 2,4-dimethylglutaric acid 
Assign. Shift(ppm)
A 11.8 B *1 2.64 C *1 2.57 D 2.141 D 1.872 D 1.506 E 1.22 MIXTURE OF OPTICAL ISOMERS.
Hz ppm Int.1064.20 2.663 55 1057.24 2.646 106 1050.46 2.629 111 1043.50 2.612 72 1036.91 2.595 60 1034.34 2.589 30 1031.96 2.583 59 1029.95 2.578 62 1027.20 2.571 65 1025.00 2.565 65 1022.44 2.559 66 1020.24 2.553 66 1018.22 2.548 32 1015.29 2.541 55 872.06 2.183 36 862.35 2.158 60 858.14 2.148 41 852.64 2.134 31 848.43 2.123 65 838.54 2.099 31 754.65 1.889 83 747.87 1.872 135 741.09 1.855 74 613.61 1.536 34 608.66 1.523 66 603.90 1.512 37 599.50 1.501 34 594.74 1.489 60 499.68 1.251 39 492.35 1.232 865 491.44 1.230 1000 485.39 1.215 872 484.48 1.213 997
in CDCl3
KBr disc
nujol mull
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