图谱信息 供应商 相关产品
网站主页CAS数据库列表 108-26-9更多图谱3-甲基-2-吡唑啉-5-酮(108-26-9)质谱(MS)

3-甲基-2-吡唑啉-5-酮

产品名称 3-甲基-2-吡唑啉-5-酮

CAS号108-26-9

分子式C4H6N2O

分子量98.1

展开


  • Mass

    MS-NW-5510          
    3-methyl-5-pyrazolone
    C4H6N2O             (Mass of molecular ion:     98)
    

       Source Temperature: 140 °C
       Sample Temperature:  80 °C
       Direct, 75 eV
    

          14.0       1.3
          15.0       3.8
          26.0       4.5
          27.0       7.0
          28.0       6.9
          29.0       8.0
          30.0       1.6
          32.0       3.4
          37.0       4.5
          38.0       7.7
          39.0      34.4
          40.0       9.2
          41.0      50.8
          42.0       8.2
          43.0       2.9
          44.0       1.1
          51.0       1.4
          52.0       1.7
          53.0       2.0
          54.0      12.1
          55.0       4.6
          56.0      15.2
          57.0       1.4
          67.0      14.8
          68.0       2.6
          69.0      12.7
          70.0      13.3
          81.0       1.0
          97.0      11.7
          98.0     100.0
          99.0       5.6
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C4 H6 N2 O 0.038 g : 0.5 ml DMSO-d6
    3-methyl-5-pyrazolone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.5 B 5.239 C 2.098

         Hz     ppm     Int.
    

       2094.14   5.240    336
       2093.41   5.239    313
        837.80   2.097   1000
        837.07   2.095    838
    

DMSO-d6



KBr disc



nujol mull



4880 A,200 M,powder