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MassMS-IW-7602 3,4-difluorobenzaldehyde C7H4F2O (Mass of molecular ion: 142)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
29.0 2.8 31.0 2.5 37.0 1.9 38.0 1.7 39.0 1.0 50.0 4.6 51.0 1.1 56.0 1.3 57.0 5.0 61.0 2.8 62.0 4.9 63.0 24.5 64.0 2.1 68.0 3.8 69.0 2.2 70.0 1.1 74.0 3.3 75.0 3.6 81.0 2.7 87.0 1.3 88.0 5.7 92.0 1.4 93.0 3.8 94.0 3.1 95.0 1.1 112.0 2.4 113.0 74.5 114.0 13.0 141.0 100.0 142.0 93.1 143.0 7.4
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H4 F2 O 0.05 ml : 0.5 ml CDCl3 3,4-difluorobenzaldehyde 
Assign. Shift(ppm)
A 9.954 B 7.73 C 7.71 D 7.374
Hz ppm Int.3979.34 9.958 986 3977.36 9.953 1000 3098.75 7.754 244 3096.77 7.749 352 3090.82 7.734 271 3089.90 7.732 503 3088.53 7.729 573 3087.31 7.726 259 3086.55 7.724 429 3085.48 7.721 428 3083.65 7.716 193 3082.89 7.714 363 3081.67 7.711 340 3080.90 7.709 518 3079.22 7.705 494 3078.31 7.703 481 3077.24 7.700 345 3076.32 7.698 148 3075.26 7.695 243 3072.81 7.689 31 2959.90 7.407 286 2952.88 7.389 256 2951.51 7.386 282 2950.29 7.383 299 2943.27 7.365 316 2941.89 7.362 301 2940.52 7.358 83 2934.27 7.343 228
in CDCl3
liquid film
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