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MassMS-IW-0720 N-benzyloxycarbonyl-2-methylalanine C12H15NO4 (Mass of molecular ion: 237)
Source Temperature: 160 °C Sample Temperature: 100 °C Direct, 75 eV
18.0 4.6 27.0 1.3 28.0 1.5 39.0 4.3 41.0 3.2 42.0 12.0 43.0 1.0 44.0 2.3 50.0 1.7 51.0 5.2 52.0 1.5 53.0 1.8 57.0 7.8 58.0 4.2 63.0 1.9 65.0 8.0 66.0 1.0 77.0 16.2 78.0 4.0 79.0 35.9 80.0 3.2 88.0 1.3 89.0 4.2 90.0 4.8 91.0 96.7 92.0 8.1 96.0 1.3 102.0 5.5 105.0 2.1 107.0 35.0 108.0 100.0 109.0 7.6 114.0 1.3 129.0 1.6 148.0 11.9 149.0 1.4 192.0 6.0 237.0 6.6 238.0 1.2
400 MHz in CDCl3
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1H NMR 399.65 MHz C12 H15 N O4 0.038 g : 0.5 ml CDCl3 N-benzyloxycarbonyl-2-methylalanine 
Assign. Shift(ppm)
A 10.7 B 7.33 C 5.49 D 5.092 E 1.565
Hz ppm Int.2943.85 7.367 36 2934.69 7.344 345 2931.03 7.334 1000 2925.54 7.321 202 2923.15 7.315 148 2920.96 7.309 116 2919.12 7.305 85 2916.93 7.299 98 2911.80 7.286 49 2908.50 7.278 27 2193.97 5.490 33 2035.35 5.093 279 625.51 1.566 729 600.79 1.504 23 599.50 1.501 21
in CDCl3
KBr disc
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