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2488-15-5

BOC-L-Methionine

Product Name BOC-L-Methionine

CAS2488-15-5

MFC10H19NO4S

MW249.33

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  • 2488-15-5_ms
    Mass

    MS-IW-6660          
    N-tert-butoxycarbonyl-L-methionine
    C10H19NO4S          (Mass of molecular ion:    249)
    

       Source Temperature: 160 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          15.0       1.3
          17.0       1.9
          18.0      10.6
          26.0       1.0
          27.0       7.5
          28.0      13.0
          29.0      13.1
          30.0       1.6
          31.0       8.9
          35.0       2.7
          39.0       9.9
          40.0       2.1
          41.0      46.0
          42.0       3.5
          43.0       4.4
          44.0      22.3
          45.0       5.6
          46.0       2.9
          47.0      10.3
          48.0       4.8
          49.0       2.7
          50.0       1.2
          51.0       1.1
          53.0       1.9
          54.0       4.6
          55.0      12.2
          56.0      33.5
          57.0      81.6
          58.0       4.1
          59.0      39.7
          60.0       1.9
          61.0      39.0
          62.0      20.6
          63.0       2.6
          73.0       2.3
          74.0      11.3
          75.0      87.7
          76.0       3.8
          77.0       4.3
          82.0       1.6
          83.0       8.3
          84.0       4.4
          85.0       2.0
          86.0       2.9
          87.0       4.4
          88.0       6.9
          96.0       1.4
          99.0       2.7
         100.0       8.4
         101.0      42.0
         102.0       7.4
         103.0       1.1
         104.0      12.8
         109.0       2.0
         114.0       8.7
         116.0      10.6
         117.0       1.5
         118.0       1.5
         119.0     100.0
         120.0       4.1
         127.0      12.0
         128.0       2.3
         129.0      20.7
         130.0       1.9
         131.0      19.2
         132.0      11.2
         133.0       2.1
         145.0       3.6
         146.0       4.5
         148.0       7.2
         149.0       3.7
         150.0       1.3
         157.0       3.0
         175.0      22.2
         176.0       7.3
         177.0       1.6
         193.0      78.5
         194.0       8.2
         195.0       4.5
    

400 MHz in CDCl3

  • 2488-15-5_1hnmr

    1H NMR 399.65 MHz
    C10 H19 N O4 S 0.039 g : 0.5 ml CDCl3
    N-tert-butoxycarbonyl-L-methionine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.0 B 6.83 C 5.24 D 4.45 E 4.33 F 2.584 G *1 2.18 J 2.114 K *1 2.00 L 1.455

         Hz     ppm     Int.
    

       2097.63   5.249     21
       2089.54   5.229     21
       1040.34   2.604     63
       1032.87   2.585    121
       1025.70   2.567     73
        871.28   2.181     22
        869.45   2.176     21
        868.84   2.175     21
        867.77   2.172     22
        866.85   2.170     22
        865.94   2.167     22
        865.17   2.165     22
        856.02   2.142     21
        844.88   2.115    928
        803.22   2.010     26
        796.97   1.995     28
        796.36   1.993     28
        789.64   1.976     22
        581.82   1.456   1000
    

in CDCl3

  • 2488-15-5_13cnmr

KBr disc

  • 2488-15-5_ir1_2

nujol mull

  • 2488-15-5_ir2