Himic anhydride (826-62-0) Raman

Product NameHimic anhydride

CAS 826-62-0

Molecular FormulaC9H8O3

Molecular Weight164.16

InChIInChI=1S/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2

InChIKey KNDQHSIWLOJIGP-UHFFFAOYSA-N

SmilesC1(=O)C2C(C3CC2C=C3)C(=O)O1

Request For Quotation

Mass

MS-NW-1729          
5-norbornene-2,3-dicarboxylic anhydride
C9H8O3              (Mass of molecular ion:    164)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      18.0       1.2
      25.0       1.0
      26.0       9.3
      27.0       4.4
      28.0       4.2
      32.0       1.0
      37.0       1.9
      38.0       4.4
      39.0      17.8
      40.0       8.8
      41.0       1.1
      45.0       2.5
      45.5       1.0
      50.0       2.8
      51.0       4.4
      52.0       1.4
      53.0       1.1
      54.0       6.3
      55.0       4.2
      61.0       1.2
      62.0       2.3
      63.0       4.7
      64.0       1.3
      65.0      15.1
      66.0     100.0
      67.0       5.6
      77.0       1.3
      78.0       1.1
      91.0      27.5
      92.0      13.1
      93.0       1.0
      98.0       1.6
      99.0       2.8
     119.0       3.0
     120.0       4.9
     164.0       2.2

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₉ H₈ O₃	0.044 g : 0.5 ml CDCl₃
5-norbornene-2,3-dicarboxylic anhydride

    Assign.     Shift(ppm)

      A             6.31
      B             3.59
      C             3.52
      D             1.77
      E             1.59

     Hz     ppm     Int.

    566.50   6.326    465
    564.94   6.308    733
    563.69   6.294    508
    323.94   3.618    205
    320.63   3.581    601
    319.38   3.567   1000
    317.13   3.541    411
    315.50   3.523    547
    313.94   3.506    448
    165.13   1.844    125
    163.81   1.830     83
    156.06   1.743    303
    150.38   1.680     22
    144.88   1.618    296
    135.94   1.518    115

in CDCl3