16957-70-3

反式-2-甲基-2-戊烯酸(16957-70-3)质谱(MS)

产品名称:反式-2-甲基-2-戊烯酸

CAS:16957-70-3

分子式:C6H10O2

分子量: 114.14

Mass

MS-NW-8563          
(E)-2-methyl-2-pentenoic acid
C6H10O2             (Mass of molecular ion:    114)

   Source Temperature: 260 °C
   Sample Temperature: 140 °C
   Reservoir, 75 eV

      15.0       1.8
      26.0       2.5
      27.0      20.1
      28.0       5.0
      29.0      11.0
      31.0       2.2
      37.0       1.5
      38.0       3.5
      39.0      29.3
      40.0       6.1
      41.0     100.0
      42.0      12.3
      43.0      18.7
      44.0       1.2
      45.0      13.8
      50.0       2.8
      51.0       4.4
      52.0       1.9
      53.0      17.8
      54.0       2.8
      55.0      12.0
      56.0       2.5
      57.0       4.3
      58.0       2.9
      59.0       1.4
      60.0       1.3
      62.0       1.0
      63.0       1.4
      65.0       2.4
      66.0       1.5
      67.0      16.3
      68.0      12.3
      69.0      99.6
      70.0      10.6
      71.0       8.6
      72.0       1.9
      73.0       2.6
      74.0       2.2
      81.0       3.5
      85.0       5.2
      86.0       2.4
      87.0       1.1
      95.0       2.4
      96.0       6.0
      97.0       4.5
      99.0       7.9
     113.0       2.0
     114.0      44.8
     115.0       3.5

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₆ H₁₀ O₂	0.05 ml : 0.5 ml CDCl₃
(E)-2-methyl-2-pentenoic acid

    Assign.     Shift(ppm)

      A            12.02
      B             6.914
      C             2.210
      D             1.833
      E             1.067

     Hz     ppm     Int.

   1076.92  12.025    167
    628.65   7.020     39
    627.28   7.005     82
    625.92   6.989     82
    624.55   6.974     40
    621.30   6.938     78
    619.93   6.922    166
    618.48   6.906    160
    617.03   6.890     68
    613.70   6.853     44
    612.50   6.839     88
    611.13   6.824     82
    609.68   6.808     35
    214.05   2.391     39
    213.28   2.382     32
    206.70   2.308    155
    205.85   2.299    137
    202.69   2.264     39
    199.10   2.224    250
    198.41   2.216    225
    191.66   2.141    195
    190.81   2.131    171
    186.88   2.087     30
    184.14   2.057     65
    183.29   2.047     57
    170.21   1.901     30
    165.94   1.853    542
    165.00   1.843   1000
    163.64   1.828    928
    162.70   1.817    477
    155.26   1.734     31
    102.45   1.144    473
     99.63   1.113     62
     99.38   1.110     62
     95.19   1.063    904
     90.75   1.014     56
     87.50   0.977    339

in CDCl3