Product Name2-UNDECYNOIC ACID ETHYL ESTER
CAS10519-17-2
Molecular FormulaC13H22O2
Molecular Weight210.31
InChIInChI=1S/C13H22O2/c1-3-5-6-7-8-9-10-11-12-13(14)15-4-2/h3-10H2,1-2H3
InChIKey WVNHQHYIPXYFQX-UHFFFAOYSA-N
SmilesC(OCC)(=O)C#CCCCCCCCC

Mass
MS-IW-7363 ethyl 2-undecynoate C13H22O2 (Mass of molecular ion: 210)
Source Temperature: 240 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 2.1
18.0 3.1
26.0 5.4
27.0 43.6
28.0 17.3
29.0 79.3
30.0 2.6
31.0 3.1
32.0 1.3
38.0 4.1
39.0 34.4
40.0 6.7
41.0 83.3
42.0 15.4
43.0 74.3
44.0 7.7
45.0 8.2
47.0 8.4
50.0 2.5
51.0 8.6
52.0 7.9
53.0 21.1
54.0 13.5
55.0 99.4
56.0 17.9
57.0 37.6
58.0 2.1
59.0 1.0
60.0 1.1
61.0 2.3
63.0 1.8
64.0 1.0
65.0 9.9
66.0 29.7
67.0 80.7
68.0 22.3
69.0 27.0
70.0 9.1
71.0 5.5
73.0 3.7
77.0 16.0
78.0 4.9
79.0 74.9
80.0 30.0
81.0 100.0
82.0 16.5
83.0 11.8
84.0 27.7
85.0 10.1
86.0 42.5
87.0 2.7
88.0 3.7
89.0 1.3
91.0 11.3
92.0 2.7
93.0 37.6
94.0 22.8
95.0 54.1
96.0 8.6
97.0 28.7
98.0 11.9
99.0 13.1
100.0 3.5
101.0 2.8
102.0 1.1
105.0 4.1
106.0 1.1
107.0 29.4
108.0 15.2
109.0 12.9
110.0 3.6
111.0 20.9
112.0 15.1
113.0 9.7
114.0 44.3
115.0 4.5
117.0 1.4
119.0 1.9
120.0 1.5
121.0 22.2
122.0 21.7
123.0 7.3
124.0 1.5
125.0 39.1
126.0 17.2
127.0 10.0
128.0 3.3
133.0 1.0
135.0 19.1
136.0 7.7
137.0 11.3
138.0 1.7
139.0 24.5
140.0 9.8
141.0 2.4
142.0 2.5
149.0 1.8
151.0 1.0
153.0 19.2
154.0 12.0
155.0 1.6
163.0 4.1
164.0 2.1
165.0 69.4
166.0 8.8
167.0 9.3
168.0 5.9
181.0 4.9
182.0 1.9
211.0 1.3
400 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C13 H22 O2 | 0.05 ml : 0.5 ml CDCl3 |
| ethyl 2-undecynoate | |
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Assign. Shift(ppm) |
Hz ppm Int.
1694.58 4.241 162
1687.50 4.223 476
1680.30 4.205 471
1673.22 4.187 168
936.77 2.344 230
929.57 2.326 461
922.36 2.308 243
646.24 1.618 39
639.28 1.600 115
636.60 1.593 41
631.59 1.581 149
624.27 1.563 135
616.94 1.544 58
572.39 1.433 30
566.41 1.418 70
566.04 1.417 70
564.82 1.414 69
560.30 1.402 82
558.96 1.399 82
557.50 1.395 84
551.76 1.381 64
545.17 1.365 31
535.89 1.341 31
528.69 1.323 564
521.61 1.306 1000
518.92 1.299 211
514.40 1.288 784
510.99 1.279 419
359.99 0.901 163
353.15 0.884 516
346.07 0.866 197
in CDCl3

liquid film

2-UNDECYNOIC ACID ETHYL ESTER(10519-17-2) MS Atlas of Related Products
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