Product NameTRIETHYL 4-PHOSPHONOCROTONATEDISC 6/01
CAS20345-62-4
Molecular FormulaC10H19O5P
Molecular Weight250.23
InChIInChI=1S/C10H19O5P/c1-5-9(10(11)13-6-2)16(12,14-7-3)15-8-4/h5H,6-8H2,1-4H3
InChIKey LKGVVQTVNFFWAT-UHFFFAOYSA-N
SmilesC(OCC)(=O)C(P(OCC)(OCC)=O)=CC

Mass
MS-NW-5697 ethyl 4-(diethoxyphosphoryl)crotonate C10H19O5P (Mass of molecular ion: 250)
Source Temperature: 260 °C Sample Temperature: 190 °C Reservoir, 75 eV
15.0 1.7
18.0 3.1
26.0 2.1
27.0 14.6
28.0 3.5
29.0 39.8
30.0 1.0
31.0 3.0
38.0 1.4
39.0 15.9
40.0 8.0
41.0 7.3
42.0 2.6
43.0 3.2
45.0 6.0
47.0 3.6
55.0 3.2
57.0 10.0
65.0 8.8
67.0 1.7
68.0 100.0
69.0 6.5
78.0 1.1
80.0 1.4
81.0 29.2
82.0 3.1
83.0 1.8
84.0 1.4
85.0 6.8
86.0 11.7
91.0 7.5
92.0 1.0
93.0 2.9
95.0 1.1
96.0 2.9
97.0 7.2
99.0 14.9
103.0 5.0
104.0 2.4
109.0 41.1
110.0 2.6
111.0 2.8
112.0 2.9
113.0 3.4
114.0 3.7
119.0 1.1
120.0 10.0
121.0 16.8
122.0 7.9
123.0 1.4
124.0 4.0
125.0 3.5
127.0 13.4
131.0 9.4
135.0 3.1
137.0 5.8
138.0 2.9
140.0 2.5
141.0 3.0
142.0 1.0
148.0 10.7
149.0 41.2
150.0 5.1
151.0 1.8
152.0 1.4
155.0 22.4
156.0 1.1
163.0 6.2
165.0 1.3
175.0 2.3
176.0 12.0
177.0 40.1
178.0 10.9
179.0 1.6
183.0 10.6
203.0 1.3
204.0 13.3
205.0 21.9
206.0 5.9
207.0 1.3
222.0 1.6
223.0 1.9
249.0 1.1
250.0 16.9
251.0 2.5
90 MHz in CDCl3
400 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C10 H19 O5 P | 0.04 ml : 0.5 ml CDCl3 |
| ethyl 4-(diethoxyphosphoryl)crotonate | |
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Assign. Shift(ppm) |
Hz ppm Int.
628.13 7.014 48
620.81 6.932 66
620.38 6.927 54
613.13 6.847 68
612.56 6.840 68
605.25 6.759 72
543.63 6.071 78
540.13 6.031 42
538.75 6.016 83
528.00 5.896 53
523.19 5.842 54
386.88 4.320 78
384.75 4.297 81
384.38 4.292 80
379.69 4.240 253
377.50 4.216 291
376.38 4.203 149
374.25 4.179 60
372.56 4.160 272
370.31 4.135 370
369.13 4.122 349
367.19 4.100 61
365.50 4.082 99
363.38 4.058 147
362.00 4.042 358
361.19 4.033 84
359.25 4.012 42
355.06 3.965 112
261.75 2.923 95
260.44 2.908 99
253.94 2.836 95
252.63 2.821 98
238.88 2.668 100
237.50 2.652 103
231.06 2.580 89
229.75 2.566 97
126.50 1.413 502
122.63 1.370 354
119.56 1.335 968
119.13 1.331 1000
115.56 1.291 757
112.38 1.255 450
108.38 1.211 300

| 1H NMR | 399.65 MHz |
| C10 H19 O5 P | 0.05 ml : 0.5 ml CDCl3 |
| ethyl 4-(diethoxyphosphoryl)crotonate | |
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Assign. Shift(ppm) |
Hz ppm Int.
2769.41 6.930 35
2761.60 6.911 89
2754.15 6.892 102
2745.97 6.871 108
2738.65 6.853 95
2730.83 6.834 41
2400.02 6.006 43
2398.56 6.002 93
2397.22 5.999 47
2395.02 5.993 46
2393.55 5.990 93
2392.21 5.986 46
2384.40 5.967 45
2383.06 5.963 89
2381.59 5.960 44
2379.39 5.954 42
2378.05 5.951 88
2376.71 5.947 46
1688.48 4.225 130
1685.06 4.217 39
1681.40 4.208 361
1677.98 4.199 80
1674.19 4.190 366
1671.51 4.183 73
1670.90 4.181 85
1668.58 4.176 103
1667.11 4.172 153
1666.02 4.169 110
1664.43 4.165 73
1663.09 4.162 69
1661.50 4.158 244
1660.03 4.154 122
1658.94 4.151 242
1657.84 4.149 123
1655.88 4.144 94
1654.42 4.140 275
1652.95 4.136 263
1651.86 4.134 261
1650.76 4.131 257
1648.68 4.126 102
1647.34 4.122 156
1645.87 4.119 256
1644.90 4.116 138
1643.80 4.114 243
1641.72 4.108 71
1640.50 4.105 87
1639.40 4.103 68
1638.79 4.101 102
1636.72 4.096 96
1634.64 4.091 30
1633.54 4.088 49
1121.83 2.808 133
1120.48 2.804 136
1114.01 2.788 135
1112.55 2.784 135
1098.88 2.750 132
1097.53 2.747 137
1091.06 2.731 131
1089.60 2.727 133
550.66 1.378 38
547.97 1.372 50
545.53 1.366 72
541.87 1.356 591
541.38 1.355 593
538.45 1.348 110
537.48 1.345 113
534.79 1.339 972
534.30 1.337 1000
531.98 1.332 122
527.71 1.321 575
527.22 1.320 603
523.80 1.311 472
516.72 1.293 810
512.82 1.284 39
509.52 1.275 447
in CDCl3

liquid film

TRIETHYL 4-PHOSPHONOCROTONATEDISC 6/01(20345-62-4) IR1 Atlas of Related Products
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