N-METHYLMALEAMIC ACID(6936-48-7) 1H NMR
Product NameN-METHYLMALEAMIC ACID
CAS6936-48-7
Molecular FormulaC5H7NO3
Molecular Weight129.11
InChIInChI=1S/C5H7NO3/c1-6-4(7)2-3-5(8)9/h2-3H,1H3,(H,6,7)(H,8,9)/b3-2-
InChIKey DFQUBYCHLQAFOW-IHWYPQMZSA-N
SmilesC(O)(=O)/C=C\C(NC)=O
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MassMS-IW-9190 N-methylmaleic monoamide C5H7NO3 (Mass of molecular ion: 129)
Source Temperature: 160 °C Sample Temperature: 130 °C Direct, 75 eV
15.0 9.9 17.0 3.7 18.0 18.7 25.0 4.6 26.0 40.4 27.0 22.5 28.0 28.6 29.0 7.9 30.0 100.0 31.0 21.0 32.0 1.3 37.0 1.6 38.0 1.7 39.0 2.1 40.0 2.1 41.0 4.4 41.5 1.3 42.0 7.0 43.0 2.7 44.0 15.6 45.0 13.4 46.0 1.1 51.0 1.0 52.0 2.9 53.0 13.1 54.0 59.9 55.0 23.8 56.0 9.3 57.0 3.3 58.0 22.6 59.0 6.5 66.0 7.1 67.0 14.1 68.0 1.9 71.0 6.0 72.0 4.1 81.0 1.4 82.0 16.3 83.0 11.1 84.0 17.5 85.0 13.7 86.0 1.0 98.0 5.6 99.0 30.6 100.0 6.9 110.0 5.2 111.0 35.5 112.0 4.9 129.0 2.2
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C5 H7 N O3 0.038 g : 0.5 ml DMSO-d6 N-methylmaleic monoamide 
Assign. Shift(ppm)
A 15. B 9.12 C *1 6.411 D *1 6.255 E 2.740
Hz ppm Int.3644.78 9.120 49 2569.58 6.430 290 2557.13 6.399 418 2505.37 6.269 435 2492.92 6.238 311 1103.03 2.760 34 1097.90 2.748 1000 1093.02 2.735 932 1088.13 2.723 22
in DMSO-d6
KBr disc
nujol mull
