3,4-二甲氧基-3-環(huán)丁烯-1,2-二酮(5222-73-1)質(zhì)譜(MS)
InChI:InChI=1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
InChIKey: SZBNZTGCAMLMJY-UHFFFAOYSA-N
Smiles:C1(=O)C(OC)=C(OC)C1=O
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Mass
MS-IW-9146
3,4-dimethoxy-3-cyclobutene-1,2-dione
C6H6O4 (Mass of molecular ion: 142)
Source Temperature: 220 °C
Sample Temperature: 150 °C
Reservoir, 75 eV
12.0 1.2
14.0 4.3
15.0 100.0
16.0 1.5
18.0 1.2
26.0 2.4
27.0 9.0
28.0 32.1
29.0 9.0
30.0 1.9
31.0 1.5
40.0 8.1
41.0 2.4
42.0 1.4
43.0 67.8
44.0 3.0
45.0 1.6
52.0 1.6
53.0 1.4
56.0 9.6
68.0 11.4
69.0 1.6
83.0 3.2
86.0 57.5
87.0 2.8
99.0 14.8
114.0 31.5
115.0 1.9
142.0 77.7
143.0 5.7
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| 1H NMR |
300 MHz |
| C6 H6 O4
|
0.039 g : 0.5 ml DMSO-d6
|
| 3,4-dimethoxy-3-cyclobutene-1,2-dione
|
 |
Parameter ppm Hz
D(A) 4.290
|
Hz ppm Int.
1287.00 4.290 1000