2-Pentyl-3-methyl-2-cyclopenten-1-one(1128-08-1) MS
Molecular FormulaC11H18O
Molecular Weight166.26
InChIInChI=1S/C11H18O/c1-3-4-5-6-10-9(2)7-8-11(10)12/h3-8H2,1-2H3
InChIKey YCIXWYOBMVNGTB-UHFFFAOYSA-N
SmilesC1(=O)CCC(C)=C1CCCCC
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![](https://www.chemicalbook.com/Spectrum/1128-08-1_MS.gif)
Mass
MS-IW-6339
3-methyl-2-pentyl-2-cyclopenten-1-one
C11H18O (Mass of molecular ion: 166)
Source Temperature: 220 °C
Sample Temperature: 150 °C
Reservoir, 75 eV
27.0 7.2
28.0 1.1
29.0 6.8
39.0 7.7
40.0 1.7
41.0 17.6
42.0 1.2
43.0 5.1
51.0 2.4
52.0 2.0
53.0 9.2
54.0 1.8
55.0 10.6
56.0 1.0
57.0 1.0
65.0 4.1
66.0 2.3
67.0 24.2
68.0 4.4
69.0 3.4
77.0 5.5
78.0 1.1
79.0 11.0
80.0 2.1
81.0 19.9
82.0 13.8
83.0 1.7
91.0 3.8
93.0 5.7
94.0 1.5
95.0 19.2
96.0 3.7
97.0 1.5
105.0 1.4
107.0 2.3
109.0 22.6
110.0 100.0
111.0 20.1
112.0 1.4
123.0 22.3
124.0 11.7
125.0 1.3
133.0 1.3
137.0 26.0
138.0 3.1
151.0 65.3
152.0 7.6
165.0 1.0
166.0 11.8
167.0 3.4