Pentanoic acid, 2-methyl-, 2-methylpropyl ester

Mass

MS-IW-3550          
isobutyl 2-methylvalerate
C10H20O2            (Mass of molecular ion:    172)

   Source Temperature: 220 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0      11.7
      28.0       4.7
      29.0      24.7
      31.0       1.7
      39.0       9.5
      40.0       1.8
      41.0      39.6
      42.0       8.4
      43.0      68.6
      44.0       2.4
      45.0       2.5
      53.0       1.7
      55.0      12.5
      56.0      65.7
      57.0      72.9
      58.0       3.7
      59.0       2.0
      69.0       3.3
      70.0       3.8
      71.0     100.0
      72.0       6.4
      73.0       5.7
      74.0      55.2
      75.0       4.1
      87.0      13.5
      88.0       1.1
      89.0       1.5
      99.0      98.2
     100.0      10.0
     101.0       3.1
     116.0       3.1
     117.0      55.2
     118.0       3.8
     129.0       2.4
     130.0      14.0
     131.0       1.1

Assign. Shift(ppm) A *1 3.86 B *1 3.85 C 2.457 D 1.933 E *2 1.652 F *2 1.39 G 1.33 J 1.149 K 0.938 L 0.91 J(A,B)=-10.6HZ J(A,D)=6.7HZ J(B,D)=6.6HZ

     Hz     ppm     Int.

   1544.92   3.866    266
   1543.58   3.863    263
   1538.21   3.849    266
   1536.99   3.846    266
    992.92   2.485     43
    985.72   2.467     73
    979.00   2.450     73
    972.17   2.433     50
    786.38   1.968     45
    779.66   1.951     89
    772.95   1.935    112
    766.36   1.918     93
    759.64   1.901     50
    673.46   1.686     30
    666.99   1.669     35
    665.77   1.666     35
    664.79   1.664     39
    659.30   1.650     90
    656.98   1.644     37
    651.86   1.632     87
    569.46   1.425     47
    566.89   1.419     38
    563.11   1.410     38
    560.42   1.403     81
    554.08   1.387     57
    552.98   1.384     43
    547.49   1.370     61
    546.63   1.368     65
    545.41   1.365     34
    542.36   1.358     40
    540.16   1.352    122
    536.01   1.342     32
    535.40   1.340     34
    533.08   1.334    178
    530.88   1.329     30
    529.79   1.326     30
    527.59   1.321     46
    526.00   1.317    129
    523.80   1.311     51
    518.80   1.299     61
    516.85   1.294     46
    462.89   1.159    614
    460.45   1.153     55
    455.93   1.141    593
    378.42   0.947   1000
    371.58   0.930    977
    365.23   0.914     72
    363.16   0.909    502
    355.83   0.891    247