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DL-Pantolactone

Product Name DL-Pantolactone

CAS79-50-5

MFC6H10O3

MW130.14

¹³CNMR

Mass

MS-NW-8775          
DL-pantolactone
C6H10O3             (Mass of molecular ion:    130)

   Source Temperature: 280 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       1.4
      26.0       1.0
      27.0      13.3
      28.0       4.0
      29.0      15.3
      30.0       3.7
      31.0       5.9
      38.0       1.3
      39.0      12.3
      40.0       2.5
      41.0      26.8
      42.0       3.3
      43.0      40.9
      44.0       4.0
      45.0       5.6
      53.0       7.5
      54.0       1.4
      55.0      12.7
      56.0       8.2
      57.0      21.7
      58.0       5.5
      67.0       3.2
      68.0       7.6
      69.0       2.6
      71.0     100.0
      72.0      10.1
      73.0       6.4
      85.0       1.7
      86.0       1.0

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₆ H₁₀ O₃	0.046 g : 0.5 ml CDCl₃
DL-pantolactone

    Assign.     Shift(ppm)

      A             4.166
      B     *1      4.01
      C     *1      3.97
      D             3.62
      E     *2      1.225
      F     *2      1.082

     Hz     ppm     Int.

    373.06   4.166    332
    367.25   4.101     48
    358.25   4.001    373
    356.44   3.980    304
    347.25   3.878     32
    324.44   3.623     26
    109.75   1.226   1000
     96.94   1.083    898

in CDCl3

CCl4 solution

KBr disc

nujol mull

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