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网站主页CAS数据库列表 82-02-0更多图谱凯林(82-02-0)核磁图(13CNMR)

凯林

产品名称 凯林

CAS号82-02-0

分子式C14H12O5

分子量260.24

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  • 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
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C14 H12 O5 0.040 g : 0.5 ml CDCl3
    4,9-dimethoxy-7-methylfuro(3,2-g)chromen-5-one
    ChemicalStructure
        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
    

in CDCl3



KBr disk



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