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4-Aminobutyric acid

Product Name 4-Aminobutyric acid

CAS56-12-2

MFC4H9NO2

MW103.12

¹³CNMR

Mass

MS-NW-6199          
4-amino-n-butyric acid
C4H9NO2             (Mass of molecular ion:    103)

   Source Temperature: 160 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      17.0       1.6
      18.0       6.9
      26.0       1.7
      27.0       4.5
      28.0      12.5
      29.0       3.3
      30.0     100.0
      31.0       2.2
      39.0       2.7
      40.0       1.8
      41.0       9.8
      42.0       8.9
      43.0      14.0
      44.0       9.8
      45.0       2.2
      55.0       1.3
      56.0       4.5
      57.0       1.1
      69.0       1.4
      84.0       4.5
      85.0      11.7
      86.0       1.5
     103.0       5.7

90 MHz in D2O

¹H NMR	89.56 MHz
C₄ H₉ N O₂	0.046 g : 0.5 ml D₂O
4-amino-N-butyric acid

    Assign.     Shift(ppm)

      A             3.015
      B             2.280
      C             1.906
     
     SOLVENT PEAK REMOVED

     Hz     ppm     Int.

    278.05   3.105    550
    270.87   3.025   1000
    263.35   2.941    769
    214.56   2.396    297
    213.02   2.379    304
    206.27   2.304    872
    199.78   2.231    770
    199.18   2.224    761
    184.57   2.061    226
    183.12   2.045    214
    176.54   1.972    471
    169.62   1.894    582
    162.61   1.816    314
    161.24   1.801    261
    155.77   1.740     91
    153.98   1.720     77

in D2O

KBr disc

nujol mull

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