图谱信息 供应商 相关产品
网站主页CAS数据库列表 14737-89-4更多图谱3,4-二甲氧基肉酸酸(14737-89-4)核磁图(1HNMR)

3,4-二甲氧基肉酸酸

产品名称 3,4-二甲氧基肉酸酸

CAS号14737-89-4

分子式C11H12O4

分子量208.21

展开


  • Mass

    MS-NW-6390          
    trans-3,4-dimethoxycinnamic acid
    C11H12O4            (Mass of molecular ion:    208)
    

       Source Temperature: 140 °C
       Sample Temperature:  90 °C
       Direct, 75 eV
    

          15.0       1.9
          17.0       2.6
          18.0      13.0
          28.0       2.0
          38.0       1.1
          39.0       2.3
          41.0       1.0
          44.0       1.0
          45.0       1.3
          50.0       2.8
          51.0       6.0
          52.0       1.2
          53.0       1.4
          55.0       2.3
          62.0       1.4
          63.0       3.2
          65.0       2.1
          66.0       2.3
          69.0       1.5
          74.0       1.2
          75.0       1.2
          76.0       2.1
          77.0       8.1
          78.0       2.1
          79.0       2.3
          89.0       3.2
          90.0       1.0
          91.0       6.7
          92.0       1.1
          94.0       1.9
          95.0       2.2
          95.5       1.0
         102.0       1.4
         103.0       4.2
         104.0       2.0
         105.0       3.0
         106.0       1.0
         107.0       1.4
         109.0       2.3
         117.0       1.6
         118.0       1.5
         119.0       5.4
         120.0       1.1
         121.0       1.4
         122.0       1.1
         123.0       3.4
         131.0       1.0
         133.0       6.2
         134.0       1.4
         137.0       3.3
         145.0       1.4
         147.0       6.5
         148.0       1.5
         149.0       1.7
         150.0       1.1
         161.0       3.8
         162.0       1.5
         163.0       1.9
         165.0       2.3
         190.0       1.1
         191.0       3.5
         192.0       1.6
         193.0      18.8
         194.0       2.5
         207.0       1.1
         208.0     100.0
         209.0      12.9
         210.0       1.9
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C11 H12 O4 0.043 g : 0.5 ml CDCl3
    trans-3,4-dimethoxycinnamic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.9 B 7.73 C 7.16 D 7.09 E 6.88 F 6.33 G 3.92 J(B,F)=16.2HZ

         Hz     ppm     Int.
    

        701.28   7.831     76
        685.47   7.654     96
        634.72   7.088    224
        619.59   6.919    114
        573.71   6.406     95
        558.15   6.233     76
        557.73   6.228     76
        351.28   3.923   1000
    

in CDCl3



KBr disc



nujol mull