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2459-05-4

Monoethyl fumarate

Product Name Monoethyl fumarate

CAS2459-05-4

MFC6H8O4

MW144.13

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  • 2459-05-4_ms
    Mass 

    MS-IW-0566          
ethyl hydrogen fumarate
C6H8O4              (Mass of molecular ion:    144)


       Source Temperature: 260 °C
   Sample Temperature: 130 °C
   Reservoir, 75 eV


          15.0       1.2
      26.0       5.7
      27.0      16.0
      28.0       4.6
      29.0      12.7
      31.0       1.0
      43.0       3.8
      44.0       1.2
      45.0      11.7
      53.0       7.6
      54.0       5.8
      55.0       6.5
      71.0       5.5
      72.0       3.8
      81.0      12.3
      82.0      14.0
      98.0       5.6
      99.0     100.0
     100.0      13.2
     101.0       1.1
     117.0       9.0
     126.0       8.9
     127.0       2.6

400 MHz in CDCl3

  • 2459-05-4_1hnmr

    1H NMR 399.65 MHz
    C6 H8 O4 0.035 g : 0.5 ml CDCl3
    ethyl hydrogen fumarate
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A            11.1
      B             6.947
      C             6.867
      D             4.289
      E             1.338
  

         Hz     ppm     Int.


       2787.48   6.975    264
   2771.76   6.936    615
   2749.18   6.879    614
   2733.46   6.840    272
   1725.16   4.317    142
   1717.99   4.299    442
   1710.82   4.281    453
   1703.64   4.263    153
    541.99   1.357    498
    534.82   1.339   1000
    527.65   1.321    490

in CDCl3

KBr disc

nujol mull

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