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2-乙酰-4-甲基噻吩

产品名称 2-乙酰-4-甲基噻吩

CAS号13679-73-7

分子式C7H8OS

分子量140.2

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  • Mass

    MS-NW-7536          
    2-acetyl-4-methylthiophene
    C7H8OS              (Mass of molecular ion:    140)
    

       Source Temperature: 260 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       3.9
          27.0       4.3
          37.0       1.2
          38.0       2.1
          39.0       6.6
          42.0       1.0
          43.0      13.6
          45.0      16.2
          47.0       1.4
          50.0       2.3
          51.0       3.5
          52.0       1.3
          53.0      17.9
          57.0       2.9
          58.0       1.5
          62.0       1.7
          63.0       1.6
          69.0       6.0
          70.0       2.1
          71.0       2.8
          82.0       1.6
          95.0       1.7
          96.0       1.2
          97.0      18.2
          98.0       1.4
         125.0     100.0
         126.0       7.7
         127.0       5.0
         140.0      40.6
         141.0       3.9
         142.0       2.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C7 H8 O S 0.05 ml : 0.5 ml CDCl3
    2-acetyl-4-methylthiophene
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.487 B 7.211 C 2.505 D 2.272

         Hz     ppm     Int.
    

        671.63   7.500     93
        671.25   7.495     95
        670.19   7.484    107
        669.81   7.479     98
        647.88   7.235     33
        646.94   7.224     80
        645.94   7.213     96
        644.56   7.197     71
        643.63   7.187     30
        227.31   2.539     39
        224.44   2.507   1000
        204.13   2.280    360
        203.69   2.275    370
        203.13   2.269    377
    

in CDCl3



liquid film