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MassMS-IW-1890 methyl 2-bromo-5-nitrobenzoate C8H6BrNO4 (Mass of molecular ion: 259)
Source Temperature: 220 °C Sample Temperature: 160 °C Reservoir, 75 eV
15.0 2.1 29.0 1.0 30.0 1.7 37.0 1.4 38.0 1.2 49.0 1.0 50.0 2.9 51.0 1.1 53.0 1.1 59.0 4.4 61.0 1.2 62.0 2.2 63.0 6.2 64.0 1.0 73.0 3.5 74.0 20.5 75.0 35.5 76.0 5.2 77.0 1.7 78.0 1.6 89.0 1.3 91.0 1.3 103.0 3.1 109.0 1.3 110.0 4.7 111.0 1.0 112.0 1.5 119.0 2.0 126.0 1.6 128.0 1.3 137.0 1.1 138.0 9.3 139.0 1.2 140.0 3.0 150.0 2.8 153.0 5.4 154.0 12.6 155.0 6.3 156.0 11.2 157.0 1.9 169.0 1.5 170.0 5.5 171.0 1.2 172.0 5.1 181.0 3.1 182.0 23.5 183.0 5.0 184.0 57.1 185.0 6.4 186.0 12.3 187.0 1.7 197.0 4.6 198.0 7.0 199.0 5.5 200.0 7.2 201.0 1.3 213.0 3.9 214.0 2.2 215.0 13.7 216.0 2.7 217.0 3.6 228.0 100.0 229.0 12.0 230.0 98.8 231.0 11.8 232.0 1.2 259.0 36.3 260.0 3.6 261.0 36.1 262.0 3.3
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H6 Br N O4 0.039 g : 0.5 ml CDCl3 methyl 2-bromo-5-nitrobenzoate 
Assign. Shift(ppm)
A 8.655 B 8.179 C 7.887 D 4.005
Hz ppm Int.3460.57 8.660 166 3457.76 8.652 175 3274.78 8.195 99 3272.09 8.188 95 3266.11 8.173 112 3263.31 8.166 111 3156.01 7.897 187 3147.22 7.875 158 1600.83 4.006 1000
in CDCl3
KBr disc
nujol mull
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