methyl 5-acetyl-2-methoxybenzoate(39971-36-3) IR2

Product Namemethyl 5-acetyl-2-methoxybenzoate

CAS 39971-36-3

Molecular FormulaC11H12O4

Molecular Weight208.21

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Mass

MS-IW-0844          
methyl 5-acetyl-2-methoxybenzoate
C11H12O4            (Mass of molecular ion:    208)

   Source Temperature: 120 °C
   Sample Temperature:  90 °C
   Direct, 75 eV

      28.0       1.1
      43.0       5.4
      45.0       1.8
      63.0       1.3
      75.0       1.1
      76.0       2.9
      77.0       2.6
      79.0       1.0
      91.0       4.0
     104.0       1.5
     105.0       1.5
     107.0       1.4
     119.0       6.6
     120.0       1.2
     121.0       1.1
     122.0       1.3
     133.0       4.6
     134.0       1.5
     135.0       1.8
     147.0       3.1
     150.0      10.6
     151.0       1.0
     161.0       1.0
     165.0      10.7
     166.0       1.0
     175.0       4.9
     176.0       2.3
     177.0      24.7
     178.0       2.8
     179.0       7.3
     193.0     100.0
     194.0      11.9
     195.0       1.5
     208.0      41.2
     209.0       5.2

400 MHz in CDCl3

¹H NMR	399.65 MHz
C₁₁ H₁₂ O₄	0.036 g : 0.5 ml CDCl₃
methyl 5-acetyl-2-methoxybenzoate

    Assign.     Shift(ppm)

      A             8.410
      B             8.114
      C             7.047
      D     *1      3.984
      E     *1      3.923
      F             2.592

     Hz     ppm     Int.

   3362.30   8.414    180
   3359.99   8.408    184
   3248.78   8.130     97
   3246.34   8.123     92
   3239.99   8.108    101
   3237.55   8.101     98
   2820.92   7.059    148
   2812.01   7.037    144
   1592.41   3.985    870
   1568.12   3.924   1000
   1036.13   2.593    987

in CDCl3

KBr disc

nujol mull

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