6936-48-7

N-甲基马来酸(6936-48-7)质谱(MS)

产品名称:N-甲基马来酸

CAS:6936-48-7

分子式:C5H7NO3

分子量: 129.11

InChI:InChI=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

Smiles:C(O)(=O)/C=C\C(NC)=O

Mass

MS-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

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