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(R)-3-羟基丁酸甲酯

产品名称 (R)-3-羟基丁酸甲酯

CAS号3976-69-0

分子式C5H10O3

分子量118.13

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  • Mass

    MS-NW-5421          
    (-)-methyl (R)-3-hydroxybutyrate
    C5H10O3             (Mass of molecular ion:    118)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          13.0       1.1
          14.0       8.5
          15.0      22.4
          18.0       1.7
          19.0       2.6
          26.0       1.5
          27.0       6.3
          28.0       4.8
          29.0      19.4
          30.0       1.4
          31.0      15.8
          32.0       5.5
          33.0       7.0
          38.0       1.0
          39.0       5.5
          40.0       1.1
          41.0       8.0
          42.0      28.8
          43.0     100.0
          44.0      13.1
          45.0      55.1
          46.0       1.4
          57.0       1.1
          58.0       4.1
          59.0      10.7
          60.0       1.1
          61.0      12.3
          69.0       6.5
          71.0      26.1
          72.0       1.1
          74.0      50.2
          75.0       2.8
          85.0       5.4
          87.0      16.7
         100.0       3.7
         103.0      15.6
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C5 H10 O3 0.05 ml : 0.5 ml CDCl3
    (-)-methyl (R)-3-hydroxybutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.210 B 3.708 C 3.6 D *1 2.48 E *1 2.47 F 1.232 D AND E WERE CONFIRMED BY LAOCN PROGRAM.

         Hz     ppm     Int.
    

       1692.50   4.235     26
       1691.65   4.233     61
       1690.92   4.232     37
       1686.28   4.220     63
       1685.42   4.218     83
       1684.57   4.216     81
       1679.93   4.204     65
       1679.20   4.202     84
       1678.34   4.200     79
       1672.85   4.186     61
       1672.00   4.184     33
       1481.93   3.709   1000
       1002.56   2.509     22
        991.82   2.482    392
        986.57   2.469    217
        984.50   2.464    214
        502.32   1.257     23
        501.10   1.254     24
        495.61   1.241    700
        489.26   1.225    655
    


  • 1H NMR 89.56 MHz
    C5 H10 O3 0.04 ml : 0.5 ml CDCl3
    (-)-methyl (R)-3-hydroxybutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.21 B 3.710 C 3.24 D *1 2.50 E *1 2.43 F 1.233

         Hz     ppm     Int.
    

        386.00   4.310     31
        380.56   4.250     34
        379.69   4.240     42
        379.13   4.234     39
        374.19   4.179     39
        373.69   4.173     45
        372.88   4.164     40
        367.44   4.103     36
        332.38   3.712   1000
        290.50   3.244    115
        224.19   2.504    282
        218.69   2.442    125
        217.38   2.428    130
        113.50   1.268    607
        107.25   1.198    567
    

in CDCl3



liquid film