Mass

MS-IW-2018          
(+-)-beta,beta-dimethyl-gamma-hydroxymethyl-gamma-butyrolactone
C7H12O3             (Mass of molecular ion:    144)

   Source Temperature: 230 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      15.0       3.3
      17.0       9.7
      18.0      48.8
      20.0       1.0
      27.0      10.9
      28.0      12.2
      29.0      24.7
      31.0       9.6
      32.0       2.2
      38.0       1.0
      39.0      13.3
      40.0       3.4
      41.0      54.3
      42.0       5.5
      43.0      45.0
      44.0       3.1
      45.0       3.1
      51.0       1.0
      53.0       2.9
      54.0       1.0
      55.0      12.7
      56.0      58.2
      57.0      27.1
      58.0       2.3
      59.0       5.1
      60.0       1.0
      67.0       8.9
      68.0       1.3
      69.0       6.0
      70.0       1.3
      71.0       6.4
      72.0       1.8
      73.0       1.0
      83.0       5.7
      84.0       1.7
      85.0      23.8
      86.0       2.5
      95.0      14.0
      96.0       1.3
     111.0       2.5
     113.0     100.0
     114.0       7.1
     116.0       1.9
     126.0       1.4

Assign. Shift(ppm) A 4.182 B *1 3.83 C *1 3.81 D 3.03 E *2 2.499 F *2 2.354 G *3 1.221 J *3 1.136

     Hz     ppm     Int.

   1675.90   4.194    118
   1672.24   4.185    126
   1670.65   4.181    144
   1666.99   4.172    128
   1537.60   3.848     25
   1528.56   3.825    188
   1527.34   3.822    210
   1525.15   3.817    155
   1521.97   3.809    160
   1514.77   3.791     20
   1509.40   3.777     21
   1211.30   3.031     35
   1009.40   2.526    166
    992.43   2.484    277
    947.14   2.370    290
    930.05   2.328    173
    487.92   1.221   1000
    464.23   1.162     23
    454.10   1.137    972