凯林

Mass

MS-IW-9456          
4,9-dimethoxy-7-methylfuro(3,2-g)chromen-5-one
C14H12O5            (Mass of molecular ion:    260)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      15.0       4.2
      18.0       2.6
      27.0       2.5
      28.0       5.9
      29.0       2.0
      37.0       1.3
      38.0       5.0
      39.0       8.9
      40.0       2.0
      43.0      12.1
      50.0       2.6
      51.0       5.8
      52.0       1.3
      53.0       4.5
      55.0       1.7
      59.0       1.0
      61.0       2.8
      62.0       5.0
      63.0       5.1
      64.0       1.4
      65.0       3.8
      66.0       9.2
      67.0       8.7
      68.0       2.2
      69.0       2.4
      73.0       1.7
      74.0       2.9
      75.0       3.8
      76.0       2.1
      77.0       8.3
      78.0       2.9
      79.0       2.3
      80.0       1.0
      81.0       4.2
      83.0       2.2
      86.0       1.4
      87.0       3.2
      88.0       1.1
      89.0       3.2
      90.0       4.5
      91.0       3.7
      92.0       3.6
      93.0       3.1
      94.0       6.3
      95.0       5.3
     101.0       3.3
     102.0       3.8
     103.0       1.7
     104.0       1.2
     105.0      14.0
     106.0       3.4
     107.0       1.1
     109.0       1.7
     115.0       2.0
     116.0       1.3
     117.0       1.6
     118.0       3.6
     119.0       5.2
     120.0       1.2
     121.0       2.7
     122.0       1.8
     123.0       1.6
     130.0       7.5
     130.5       1.1
     131.0       1.9
     132.0       1.4
     133.0       2.8
     134.0       4.9
     143.0       1.1
     145.0       1.5
     146.0       1.6
     147.0      11.8
     148.0       1.6
     149.0       3.3
     150.0       3.1
     151.0       1.5
     153.0       2.4
     159.0       1.7
     160.0       2.7
     161.0       4.8
     162.0       4.1
     163.0       1.7
     171.0       1.4
     173.0       3.3
     174.0       2.8
     175.0      13.4
     176.0       2.0
     177.0      19.1
     178.0       2.1
     184.0       1.4
     186.0       1.0
     187.0       2.0
     188.0       1.0
     189.0      29.2
     190.0       5.0
     191.0       1.8
     199.0       1.1
     201.0       4.6
     202.0       6.0
     203.0       1.6
     205.0       5.0
     214.0       3.5
     215.0       6.8
     216.0      78.8
     217.0      47.4
     218.0       6.3
     219.0       1.0
     227.0       7.9
     228.0       2.4
     229.0       2.0
     230.0       4.9
     231.0      39.6
     232.0       5.9
     243.0       2.4
     244.0       2.9
     245.0     100.0
     246.0      14.6
     247.0       2.1
     259.0       4.8
     260.0      89.9
     261.0      15.7
     262.0       2.2

Assign. Shift(ppm) A 7.639 B 7.023 C 6.062 D 4.199 E 4.064 F 2.400

     Hz     ppm     Int.

   3054.32   7.643    206
   3052.12   7.637    208
   2808.11   7.027    208
   2805.91   7.021    201
   2423.22   6.064    165
   2422.49   6.062    169
   1678.10   4.199   1000
   1624.15   4.064    969
    959.59   2.402    534
    958.86   2.400    533