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MassMS-IW-0854 5-chloro-2-benzoxazolone C7H4ClNO2 (Mass of molecular ion: 169)
Source Temperature: 150 °C Sample Temperature: 130 °C Direct, 75 eV
28.0 1.2 38.0 1.2 38.5 2.8 39.0 1.7 50.0 2.7 51.0 5.0 52.0 2.4 56.5 1.1 62.0 2.0 63.0 6.1 70.5 1.1 76.0 3.5 77.0 1.2 78.0 23.4 79.0 2.3 84.5 2.6 86.0 1.3 90.0 2.4 98.0 2.2 113.0 28.2 114.0 2.4 115.0 9.2 125.0 2.2 140.0 1.0 169.0 100.0 170.0 8.5 171.0 32.6 172.0 2.7
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H4 Cl N O2 0.033 g : 0.5 ml DMSO-d6 5-chloro-2-benzoxazolone 
Assign. Shift(ppm)
A 12. B 7.309 C 7.158 D 7.125
Hz ppm Int.2926.19 7.322 648 2925.76 7.321 707 2920.85 7.309 33 2920.42 7.308 32 2917.86 7.302 985 2917.43 7.300 946 2862.51 7.163 634 2861.87 7.161 684 2860.16 7.157 1000 2859.73 7.156 966 2856.31 7.148 39 2855.89 7.146 43 2852.68 7.138 944 2850.33 7.133 551 2847.55 7.126 36 2847.13 7.125 36 2844.14 7.117 773 2842.00 7.112 625
in DMSO-d6
KBr disc
nujol mull
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