phellopterin(2543-94-4) IR2

Mass

MS-IW-7268          
4-methoxy-9-(3-methyl-2-butenyloxy)furo(3,2-g)chromen-7-one
C17H16O5            (Mass of molecular ion:    300)

   Source Temperature: 170 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      18.0       1.6
      27.0       3.7
      38.0       2.8
      39.0       9.2
      40.0       5.3
      41.0       8.3
      42.0       3.1
      50.0       2.3
      51.0       3.6
      52.0       1.0
      53.0      13.4
      62.0       1.7
      63.0       2.6
      65.0       2.9
      66.0       2.9
      67.0      26.8
      68.0      18.8
      69.0       3.6
      75.0       1.0
      76.0       1.7
      77.0       3.9
      87.0       1.3
      89.0       1.7
      95.0       3.2
     104.0       1.2
     105.0       3.9
     116.0       3.5
     133.0       4.4
     143.0       1.7
     160.0       2.2
     161.0      11.9
     162.0       1.3
     175.0       1.1
     188.0       1.6
     189.0      22.8
     190.0       2.6
     203.0       1.6
     217.0      80.2
     218.0       9.8
     219.0       1.4
     231.0       3.3
     232.0     100.0
     233.0      14.0
     234.0       2.0