4,6-DIAMINO-2-MERCAPTOPYRIMIDINE(1004-39-3) Raman
Molecular FormulaC4H6N4S
Molecular Weight142.18
InChIInChI=1S/C4H6N4S/c5-2-1-3(6)8-4(9)7-2/h1H,(H5,5,6,7,8,9)
InChIKey QCAWOHUJKPKOMD-UHFFFAOYSA-N
SmilesC1(=S)NC(N)=CC(N)=N1
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![](https://www.chemicalbook.com/Spectrum/1004-39-3_MS.gif)
Mass
MS-NW-7180
4,6-diamino-2-pyrimidinethiol
C4H6N4S (Mass of molecular ion: 142)
Source Temperature: 190 °C
Sample Temperature: 190 °C
Direct, 75 eV
15.0 1.4
17.0 1.2
18.0 8.4
27.0 1.2
28.0 12.6
30.0 1.3
32.0 1.3
36.0 1.8
38.0 1.6
39.0 2.6
40.0 8.9
41.0 10.7
42.0 7.2
43.0 20.4
44.0 1.1
45.0 3.3
53.0 2.0
55.0 14.1
56.0 1.2
58.0 1.0
59.0 1.9
60.0 5.5
65.0 1.2
66.0 5.9
67.0 36.0
68.0 5.8
71.0 1.2
72.0 1.4
82.0 4.9
83.0 5.7
84.0 46.1
85.0 2.1
92.0 1.0
114.0 2.0
142.0 100.0
143.0 6.7
144.0 4.8