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MassMS-NW-6902 L-histidine methyl ester dihydrochloride C7H11N3O2 2HCl (Mass of molecular ion: 169)
Source Temperature: 220 °C Sample Temperature: 130 °C Direct, 75 eV
15.0 2.8 18.0 2.5 27.0 1.4 28.0 12.5 29.0 1.9 30.0 1.4 33.0 5.4 35.0 4.3 36.0 28.2 37.0 1.4 38.0 9.6 39.0 1.5 40.0 1.6 41.0 1.8 42.0 2.6 43.0 1.2 52.0 1.5 54.0 7.6 55.0 5.8 56.0 4.0 66.0 1.0 69.0 1.1 74.0 1.1 81.0 26.0 82.0 100.0 83.0 12.1 88.0 7.2 93.0 3.5 109.0 2.9 110.0 26.6 111.0 2.1 169.0 3.3
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H11 N3 O2 0.042 g : 0.5 ml DMSO-d6 L-histidine methyl ester dihydrochloride 
Assign. Shift(ppm)
A 9.149 B 7.570 C 4.508 D 3.737 E 3.362
Hz ppm Int.3657.07 9.151 264 3655.85 9.148 269 3025.97 7.572 199 3025.05 7.570 204 1808.93 4.527 53 1801.76 4.509 127 1794.74 4.491 59 1493.53 3.738 1000 1347.35 3.372 167 1340.33 3.354 166
in DMSO-d6
KBr disc
nujol mull
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