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DL-3-甲基环戊酮

产品名称 DL-3-甲基环戊酮

CAS号1757-42-2

分子式C6H10O

分子量98.14

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  • Mass

    MS-NW-5634          
    (+-)-3-methylcyclopentanone
    C6H10O              (Mass of molecular ion:     98)
    

       Source Temperature: 280 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          14.0       1.2
          15.0       3.0
          18.0       1.9
          26.0       5.3
          27.0      28.1
          28.0      43.7
          29.0      15.8
          37.0       1.9
          38.0       4.1
          39.0      30.3
          40.0       8.2
          41.0      63.9
          42.0      91.3
          43.0       7.1
          50.0       2.8
          51.0       3.3
          52.0       1.3
          53.0       6.1
          54.0       2.9
          55.0      71.4
          56.0      46.5
          57.0       2.9
          67.0       1.5
          69.0     100.0
          70.0      11.1
          71.0       1.0
          83.0      10.8
          97.0       1.2
          98.0      73.7
          99.0       5.4
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H10 O 0.05 ml : 0.5 ml CDCl3
    (+-)-3-methylcyclopentanone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 2.35 B 2.31 C 2.27 D 2.17 E 2.13 F 1.783 G 1.520 J 1.135 ASSIGNED BY H-H COSY

         Hz     ppm     Int.
    

        934.45   2.339    124
        932.74   2.334    116
        915.16   2.290    104
        914.43   2.289    120
        913.57   2.286    113
        907.59   2.271    104
        872.92   2.185    122
        866.82   2.169    146
        865.36   2.166    178
        858.28   2.148    116
        857.91   2.147    117
        856.81   2.144    150
        851.93   2.132    106
        607.30   1.520    139
        456.54   1.143    912
        454.10   1.137     87
        450.07   1.127   1000
        447.63   1.121     77
        443.73   1.111     26
    

in CDCl3



liquid film



4880 A,200 M,liquid