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MassMS-IW-0030 beta-D-galactopyranose pentaacetate C16H22O11 (Mass of molecular ion: 390)
Source Temperature: 190 °C Sample Temperature: 130 °C Direct, 75 eV
15.0 3.2 18.0 1.3 28.0 2.1 42.0 1.4 43.0 100.0 44.0 3.9 60.0 1.3 61.0 1.8 69.0 3.3 70.0 2.1 71.0 1.1 73.0 8.0 80.0 2.5 81.0 6.2 85.0 3.3 86.0 2.8 97.0 6.6 98.0 40.7 99.0 4.7 102.0 2.2 103.0 16.8 109.0 2.7 112.0 2.3 113.0 2.1 114.0 4.3 115.0 55.0 116.0 4.6 126.0 5.4 127.0 2.9 131.0 2.1 139.0 3.5 140.0 21.4 141.0 2.9 143.0 2.2 144.0 1.2 145.0 11.2 155.0 2.1 157.0 41.1 158.0 12.0 159.0 1.2 168.0 2.6 169.0 4.3 182.0 5.1 186.0 1.3 197.0 1.4 199.0 8.4 200.0 21.2 201.0 2.2 203.0 1.3 211.0 1.5 215.0 1.4 228.0 1.8 229.0 1.0 242.0 27.9 243.0 3.6 245.0 3.5 288.0 1.1 331.0 2.9
400 MHz in CDCl3
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1H NMR 399.65 MHz C16 H22 O11 0.038 g : 0.5 ml CDCl3 beta-D-galactopyranose pentaacetate 
Assign. Shift(ppm)
A 5.713 B 5.434 C 5.339 D 5.097 E *1 4.16 F *1 4.14 G 4.079 J *2 2.172 K *2 2.129 L *2 2.053 M *2 2.050 N *2 2.000 J(A,C)=8.3HZ J(B,D)=3.4HZ J(B,G)=1.0HZ J(C,D)=10.5HZ J(E,F)=-11.1HZ J(E,G)=6.8HZ J(F,G)=6.4HZ ASSIGNED BY H-H AND C-H COSY.
Hz ppm Int.2287.84 5.725 164 2279.54 5.704 182 2173.95 5.440 82 2173.10 5.438 83 2170.65 5.432 88 2169.68 5.429 83 2143.43 5.364 69 2135.13 5.343 68 2132.93 5.337 89 2124.63 5.317 76 2043.33 5.113 92 2039.92 5.105 86 2032.96 5.087 74 2029.54 5.079 71 1669.43 4.178 37 1665.28 4.167 83 1658.20 4.150 179 1651.86 4.134 120 1640.75 4.106 48 1635.25 4.092 64 1634.28 4.090 60 1628.17 4.074 73 868.29 2.173 905 850.95 2.130 892 820.43 2.053 1000 819.21 2.050 954 810.55 2.029 32 808.96 2.025 31 808.59 2.024 31 808.23 2.023 31 806.52 2.019 33 802.37 2.008 59 799.32 2.001 883
in CDCl3
KBr disc
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