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4282-31-9

2,5-噻吩二羧酸(4282-31-9)核磁图(1HNMR)

产品名称:2,5-噻吩二羧酸

CAS:4282-31-9

分子式:C6H4O4S

分子量: 172.16

InChI:InChI=1S/C6H4O4S/c7-5(8)3-1-2-4(11-3)6(9)10/h1-2H,(H,7,8)(H,9,10)

InChIKey: YCGAZNXXGKTASZ-UHFFFAOYSA-N

Smiles:C1(C(O)=O)SC(C(O)=O)=CC=1

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    Mass

    MS2006-03315WA      
    2,5-thiophenedicarboxylic acid
    C6H4O4S             (Mass of molecular ion:    172)
    

       Source Temperature: 250 °C
       Sample Temperature:  60 °C
       Direct, 70 eV
    

          37.0       3.2
          38.0       5.2
          39.0      15.5
          44.0       1.3
          45.0       9.1
          49.0       1.4
          50.0       1.3
          53.0       4.8
          55.0       1.9
          57.0       8.2
          58.0       2.5
          69.0       4.9
          71.0       3.1
          80.0       1.1
          81.0       9.4
          82.0       8.9
          83.0       9.8
          84.0       2.2
          85.0       1.8
         109.0       1.4
         111.0      21.4
         112.0       1.4
         113.0       1.0
         127.0       5.7
         128.0       2.3
         144.0       3.4
         155.0     100.0
         156.0       7.4
         157.0       5.2
         172.0      94.8
         173.0       7.1
         174.0       5.2
    

in DMSO-d6

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in DMSO-d6

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KBr disc

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nujol mull

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