5-Chloro-1-methyl-4-nitroimidazole(4897-25-0) IR2
Molecular FormulaC4H4ClN3O2
Molecular Weight161.55
InChIInChI=1S/C4H4ClN3O2/c1-7-2-6-4(3(7)5)8(9)10/h2H,1H3
InChIKey OSJUNMSWBBOTQU-UHFFFAOYSA-N
SmilesC1N(C)C(Cl)=C([N+]([O-])=O)N=1
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![](https://www.chemicalbook.com/Spectrum/4897-25-0_MS.gif)
Mass
MS2004-02538WA
5-chloro-1-methyl-4-nitroimidazole
C4H4ClN3O2 (Mass of molecular ion: 161)
Source Temperature: 120 °C
Sample Temperature: 100 °C
Direct, 70 eV
14.0 1.0
15.0 17.8
17.0 1.3
18.0 6.6
26.0 2.8
27.0 4.3
28.0 10.2
29.0 1.6
30.0 16.1
36.0 1.3
38.0 4.7
39.0 4.4
40.0 4.6
41.0 5.0
42.0 34.0
43.0 1.5
44.0 1.4
46.0 1.5
47.0 4.6
48.0 1.2
49.0 10.4
50.0 1.0
51.0 9.0
52.0 8.7
53.0 7.8
59.0 1.0
61.0 4.6
62.0 2.1
63.0 2.4
64.0 1.0
65.0 2.0
66.0 1.1
67.0 4.2
73.0 4.8
74.0 14.3
75.0 5.8
76.0 83.0
77.0 4.2
78.0 26.0
79.0 3.8
80.0 19.7
81.0 1.2
83.0 13.4
86.0 4.4
87.0 1.2
88.0 5.6
89.0 1.1
90.0 1.7
100.0 2.5
102.0 1.0
104.0 17.6
106.0 5.6
110.0 4.2
115.0 17.4
117.0 5.6
131.0 3.8
133.0 1.3
145.0 4.2
147.0 1.4
161.0 100.0
162.0 5.8
163.0 33.0
164.0 1.9