(R)-(+)-3-(ACETYLTHIO)ISOBUTYRIC ACID METHYL ESTER

Mass

MS-IW-9088          
methyl (R)-3-acetylthio-2-methylpropionate
C7H12O3S            (Mass of molecular ion:    176)

   Source Temperature: 210 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      14.0       1.4
      15.0       7.2
      27.0       2.2
      28.0       2.8
      29.0       2.0
      31.0       1.7
      32.0       1.0
      33.0       1.5
      39.0       4.0
      40.0       1.0
      41.0      12.5
      42.0      32.0
      43.0     100.0
      44.0       2.5
      45.0       5.2
      46.0       1.6
      47.0       3.0
      55.0       1.7
      56.0       1.9
      57.0       3.0
      59.0       7.4
      69.0       5.1
      73.0       3.1
      74.0       4.3
      75.0       4.1
      77.0       1.1
      87.0       2.0
      88.0       3.5
     101.0       9.7
     102.0       6.0
     103.0       3.7
     116.0       2.9
     117.0       2.1
     133.0       5.8
     134.0      12.6
     135.0       1.1
     144.0      16.6
     145.0       7.4
     146.0       1.3
     176.0       3.6

Assign. Shift(ppm) A 3.699 B *1 3.107 C *1 3.053 D 2.699 E 2.336 F 1.241

     Hz     ppm     Int.

   1478.52   3.700   1000
   1255.49   3.142     61
   1247.92   3.123     66
   1241.82   3.108    158
   1234.38   3.089    171
   1227.05   3.071    165
   1220.95   3.056    181
   1213.50   3.037     66
   1207.28   3.021     67
   1089.11   2.726     52
   1082.89   2.710     63
   1081.91   2.708     77
   1075.68   2.692     75
   1074.58   2.689     61
   1068.36   2.674     48
    933.72   2.337    968
    499.76   1.251    591
    492.68   1.233    589