2H-Naphtho[1,2-b]pyran-2-one, 4-methyl-(2107-75-7) MS

Mass

MS-IW-2250          
4-methylnaphtho(1,2-b)pyran-2-one
C14H10O2            (Mass of molecular ion:    210)

   Source Temperature: 180 °C
   Sample Temperature: 170 °C
   Direct, 75 eV

      39.0       2.6
      50.0       1.9
      51.0       3.7
      62.0       2.1
      63.0       6.2
      64.0       4.4
      69.5       1.6
      74.0       2.3
      75.0       3.2
      75.5       1.5
      76.0      12.5
      76.5       2.4
      77.0       3.6
      86.0       1.4
      87.0       2.1
      88.0       1.1
      89.0       2.1
      90.0       2.4
      90.5       5.0
      91.0       7.1
     101.0       1.1
     102.0       1.7
     105.0       2.3
     113.0       1.7
     114.0       1.2
     115.0       3.0
     126.0       2.6
     127.0       3.9
     128.0       3.0
     139.0       7.1
     140.0       1.6
     150.0       2.2
     151.0       6.8
     152.0      23.9
     153.0      16.9
     154.0       6.6
     165.0       1.1
     181.0      48.3
     182.0     100.0
     183.0      13.8
     184.0       1.1
     210.0      95.2
     211.0      14.8
     212.0       1.5