图谱信息 供应商 相关产品
网站主页CAS数据库列表 3721-95-7更多图谱环丁基甲酸(3721-95-7)质谱(MS)

环丁基甲酸

产品名称 环丁基甲酸

CAS号3721-95-7

分子式C5H8O2

分子量100.12

展开


  • Mass

    MS-NW-2967          
    cyclobutanecarboxylic acid
    C5H8O2              (Mass of molecular ion:    100)
    

       Source Temperature: 290 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       1.4
          18.0       2.5
          26.0      14.9
          27.0      49.4
          28.0      47.3
          29.0      31.9
          31.0       1.6
          37.0       1.4
          38.0       2.0
          39.0      20.4
          40.0       2.1
          41.0      17.4
          42.0       1.8
          43.0      16.9
          44.0      14.3
          45.0      14.9
          50.0       3.3
          51.0       3.5
          52.0       1.3
          53.0      11.7
          54.0      22.8
          55.0     100.0
          56.0      21.6
          57.0       7.2
          58.0      15.5
          60.0       2.5
          71.0       3.9
          72.0      22.5
          73.0      50.2
          74.0       1.9
          81.0       2.4
          82.0      18.3
          83.0       3.9
          85.0       5.4
          99.0      11.0
         100.0      18.4
         101.0       1.1
    

90 MHz in CDCl3

400 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H8 O2 0.04 ml : 0.5 ml CDCl3
    cyclobutanecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.59 B 3.17 C 2.60 to 1.74

         Hz     ppm     Int.
    

       1047.52  11.697     57
       1046.24  11.683     72
       1037.52  11.585    636
       1030.00  11.501     72
       1029.41  11.495     61
        296.00   3.306    109
        294.54   3.289    105
        293.77   3.281    163
        293.18   3.274    213
        288.22   3.219     91
        285.74   3.191    436
        284.72   3.180    261
        283.09   3.161     84
        279.25   3.119    132
        278.31   3.108    121
        276.86   3.092    581
        268.91   3.003    230
        222.51   2.485     66
        221.40   2.473    165
        220.20   2.459    119
        218.84   2.444    184
        217.72   2.431    194
        216.53   2.418    103
        215.42   2.406    122
        214.99   2.401    114
        214.05   2.391    268
        213.02   2.379    479
        211.57   2.363    433
        209.86   2.344    545
        209.18   2.336    468
        208.24   2.326    446
        207.56   2.318    556
        206.62   2.308    607
        205.25   2.292    384
        202.86   2.266   1000
        201.23   2.247    915
        199.61   2.229    454
        198.75   2.220    451
        198.41   2.216    465
        197.81   2.209    441
        197.30   2.203    426
        195.08   2.179    719
        194.57   2.173    688
        193.97   2.166    883
        193.03   2.156    503
        191.92   2.143    198
        188.76   2.108    323
        187.13   2.090    415
        185.85   2.076    269
        183.20   2.046    421
        181.92   2.032    531
        180.04   2.011    262
        177.48   1.982    286
        175.60   1.961    333
        174.91   1.953    486
        173.89   1.942    204
        173.12   1.934    181
        171.75   1.918    320
        169.79   1.896     99
        168.08   1.877    235
        167.57   1.872    225
        166.63   1.861     91
        166.03   1.854    102
        165.43   1.848    129
        163.98   1.831    128
        161.58   1.805     57
        160.47   1.792     90
        156.97   1.753     61
    


  • 1H NMR 399.65 MHz
    C5 H8 O2 0.05 ml : 0.5 ml CDCl3
    cyclobutanecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.0 B 3.179 C 2.32 D 2.24 E 1.99 F 1.92

         Hz     ppm     Int.
    

       1288.58   3.225    142
       1287.66   3.222    144
       1279.97   3.203    484
       1279.05   3.201    463
       1271.54   3.182    740
       1270.63   3.180    740
       1262.93   3.161    529
       1262.02   3.158    505
       1254.51   3.140    180
       1253.59   3.137    179
        948.80   2.375    266
        946.79   2.370    159
        941.66   2.357    162
        940.56   2.354    441
        939.83   2.352    486
        939.28   2.351    372
        937.63   2.347    434
        937.08   2.345    349
        936.16   2.343    349
        931.40   2.331    572
        930.30   2.328    571
        929.57   2.326    733
        927.74   2.322   1000
        926.27   2.318    320
        924.26   2.313    127
        922.79   2.309    282
        922.06   2.308    413
        921.33   2.306    489
        920.78   2.304    569
        920.23   2.303    493
        919.31   2.301    767
        918.95   2.300    781
        916.75   2.294    188
        912.35   2.283    261
        910.15   2.278    408
        909.24   2.276    355
        908.51   2.274    401
        907.96   2.272    329
        906.12   2.268    248
        903.93   2.262    370
        902.09   2.258    247
        901.36   2.256    299
        899.71   2.252    651
        897.88   2.247    426
        897.33   2.246    542
        895.50   2.241    779
        893.85   2.237    461
        893.12   2.235    432
        891.65   2.232    474
        890.92   2.230    563
        889.09   2.225    414
        887.08   2.220    633
        886.71   2.219    648
        885.06   2.215    453
        884.33   2.213    315
        883.60   2.211    305
        882.86   2.210    443
        880.85   2.205    245
        879.02   2.200    204
        878.47   2.199    215
        876.63   2.194    165
        876.27   2.193    165
        874.80   2.189    197
        874.25   2.188    223
        819.85   2.052    151
        811.61   2.031    290
        808.86   2.024    268
        802.64   2.009    422
        800.44   2.003    553
        794.21   1.988    257
        793.11   1.985    172
        791.46   1.981    862
        785.42   1.966    196
        784.50   1.963    197
        783.04   1.960    556
        782.12   1.958    315
        781.39   1.956    321
        780.29   1.953    289
        776.63   1.944    242
        775.89   1.942    327
        774.98   1.940    222
        774.06   1.937    288
        772.05   1.932    445
        770.95   1.930    441
        770.22   1.928    248
        769.12   1.925    202
        766.92   1.919    300
        766.00   1.917    249
        764.90   1.914    196
        762.89   1.909    221
        761.79   1.907    240
        760.87   1.904    263
        759.77   1.902    242
        758.49   1.898    145
        757.39   1.896    144
        756.84   1.894    119
        755.93   1.892    140
        750.62   1.879    106
    

in CDCl3



liquid film



4880 A,200 M,liquid