5,6-二氫-2,3-二甲酸酐(10489-75-5)質譜(MS)
InChI:InChI=1S/C6H4O3S2/c7-5-3-4(6(8)9-5)11-2-1-10-3/h1-2H2
InChIKey: MXSSHXZXAAXCOW-UHFFFAOYSA-N
Smiles:O1C(=O)C2SCCSC=2C1=O
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Mass
MS-KW-0423
5,6-dihydro-1,4-dithiin-2,3-dicarboxylic anhydride
C6H4O3S2 (Mass of molecular ion: 188)
Source Temperature: 170 °C
Sample Temperature: 130 °C
Direct, 75 eV
26.0 1.1
27.0 2.6
28.0 2.0
44.0 7.1
45.0 7.3
46.0 1.2
55.0 3.8
56.0 4.0
57.0 1.6
58.0 3.0
59.0 5.3
60.0 22.4
62.0 1.0
71.0 3.4
72.0 2.0
84.0 3.8
88.0 43.0
89.0 1.8
90.0 4.0
116.0 30.4
117.0 1.6
118.0 2.8
144.0 9.7
188.0 100.0
189.0 8.3
190.0 9.9
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1H NMR |
399.65 MHz |
C6H4O3S2
|
0.038 g : 0.5 ml CDCl3
|
5,6-dihydro-1,4-dithiin-2,3-dicarboxylic anhydride
|
 |
Assign. Shift(ppm)
A 3.394
|
Hz ppm Int.
1356.69 3.394 1000