5-Chlorouracil(1820-81-1) MS
Molecular FormulaC4H3ClN2O2
Molecular Weight146.53
InChIInChI=1S/C4H3ClN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9)
InChIKey ZFTBZKVVGZNMJR-UHFFFAOYSA-N
SmilesC1(=O)NC=C(Cl)C(=O)N1
-
![](https://www.chemicalbook.com/Spectrum/1820-81-1_MS.gif)
Mass
MS-NW-7137
5-chlorouracil
C4H3ClN2O2 (Mass of molecular ion: 146)
Source Temperature: 190 °C
Sample Temperature: 170 °C
Direct, 75 eV
12.0 1.0
17.0 1.7
18.0 6.8
25.0 1.7
26.0 1.1
27.0 5.3
28.0 50.7
29.0 2.0
35.0 1.1
36.0 2.6
38.0 6.9
39.0 8.4
40.0 8.8
41.0 2.8
42.0 1.9
43.0 5.2
44.0 6.2
47.0 10.6
48.0 19.2
49.0 3.8
50.0 6.3
51.0 1.6
53.0 3.6
54.0 1.1
55.0 1.3
60.0 9.4
62.0 4.1
63.0 1.0
66.0 1.2
67.0 2.1
68.0 1.7
70.0 4.6
73.0 3.7
74.0 8.7
75.0 5.4
76.0 69.4
77.0 2.8
78.0 21.8
101.0 1.6
102.0 1.6
103.0 100.0
104.0 7.5
105.0 31.0
106.0 2.4
128.0 2.9
130.0 1.0
146.0 87.7
147.0 5.0
148.0 28.1
149.0 1.6