2,3-二羟基-2-甲基-丙酸

Mass

MS-NW-8177          
2,3-dihydroxy-2-methylpropionic acid
C4H8O4              (Mass of molecular ion:    120)

   Source Temperature: 150 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      14.0       1.0
      15.0       5.8
      18.0       3.4
      19.0      14.4
      26.0       1.9
      27.0      11.1
      28.0       6.4
      29.0      37.0
      30.0       1.7
      31.0      22.4
      32.0       1.1
      39.0       1.9
      41.0       1.1
      42.0       5.0
      43.0      74.2
      44.0      34.0
      45.0       8.1
      47.0       6.6
      49.0       1.6
      55.0       4.5
      56.0       2.0
      57.0      48.4
      58.0       6.1
      59.0       2.3
      61.0       2.2
      71.0       2.1
      72.0      25.5
      73.0       2.0
      75.0      63.8
      76.0       2.3
      77.0       2.2
      85.0       1.4
      89.0       5.4
      90.0     100.0
      91.0       3.6
     102.0       1.2

Assign. Shift(ppm) B *1 3.798 C *1 3.599 D 1.363 J(B,C)=-11.7HZ THE SOLVENT SIGNAL REMOVED.

     Hz     ppm     Int.

    348.75   3.895     98
    337.06   3.764    266
    325.56   3.636    276
    313.81   3.504    102
    122.13   1.364   1000