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网站主页CAS数据库列表 23747-48-0更多图谱5-甲基-6,7-二氢-5H-环戊并吡嗪(23747-48-0)核磁图(1HNMR)

5-甲基-6,7-二氢-5H-环戊并吡嗪

产品名称 5-甲基-6,7-二氢-5H-环戊并吡嗪

CAS号23747-48-0

分子式C8H10N2

分子量134.18

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  • Mass

    MS-IW-4190          
    5-methyl-6,7-dihydro-5H-cyclopentapyrazine
    C8H10N2             (Mass of molecular ion:    134)
    

       Source Temperature: 240 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          26.0       1.2
          27.0       2.0
          28.0       2.1
          39.0       4.7
          40.0       1.5
          41.0       3.4
          51.0       1.9
          52.0       4.1
          53.0       2.9
          54.0       2.7
          55.0       1.0
          64.0       1.0
          65.0       5.0
          66.0       2.4
          67.0       1.2
          77.0       2.2
          78.0      14.8
          79.0       6.0
          80.0       3.9
          92.0       9.0
          93.0       2.0
         105.0       1.3
         106.0       1.4
         107.0       2.3
         118.0       4.9
         119.0     100.0
         120.0       9.4
         131.0       2.3
         132.0       2.3
         133.0      30.9
         134.0      57.8
         135.0       5.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H10 N2 0.05 ml : 0.5 ml CDCl3
    5-methyl-6,7-dihydro-5H-cyclopentapyrazine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.282 B 8.258 C 3.256 D *1 3.02 E *1 3.00 F 2.456 G 1.744 J 1.378 ASSIGNED BY CH-COSY

         Hz     ppm     Int.
    

       3312.74   8.290    135
       3311.89   8.287    193
       3310.91   8.285    151
       3309.94   8.283    206
       3309.08   8.280    292
       3308.23   8.278    188
       3302.00   8.263    281
       3301.03   8.260    274
       3299.07   8.255    179
       3298.10   8.253    176
       1313.96   3.288     50
       1312.99   3.286     66
       1305.91   3.268    119
       1304.93   3.266    102
       1298.95   3.251    105
       1297.85   3.248    120
       1290.89   3.231     69
       1289.92   3.228     50
       1216.06   3.043     33
       1213.26   3.036    113
       1212.40   3.034    112
       1208.62   3.025    150
       1207.89   3.023    199
       1204.10   3.013    123
       1203.37   3.012    121
       1199.46   3.002    259
       1198.85   3.000    271
       1191.16   2.981    106
       1190.19   2.979    109
       1181.64   2.957     34
        998.66   2.499     58
        994.14   2.488     55
        990.60   2.479    104
        985.96   2.468    147
        982.42   2.459     67
        981.20   2.456     68
        977.78   2.447    154
        973.14   2.435    107
        969.60   2.427     60
        964.97   2.415     54
        716.06   1.792     64
        707.28   1.770    108
        703.25   1.760     56
        699.10   1.750    106
        694.46   1.738    106
        690.06   1.727     56
        686.16   1.717    101
        677.25   1.695     50
        554.32   1.388   1000
        547.36   1.370    974
    

in CDCl3



liquid film