Product Name5-METHYL-3-HEPTANONE
CAS541-85-5
Molecular FormulaC8H16O
Molecular Weight128.21
InChIInChI=1S/C8H16O/c1-4-7(3)6-8(9)5-2/h7H,4-6H2,1-3H3
InChIKey PSBKJPTZCVYXSD-UHFFFAOYSA-N
SmilesCCC(=O)CC(C)CC

Mass
MS-NW-0713 5-methyl-3-heptanone C8H16O (Mass of molecular ion: 128)
Source Temperature: 210 °C Sample Temperature: 150 °C Reservoir, 75 eV
14.0 1.2
15.0 1.6
18.0 1.5
26.0 2.1
27.0 25.6
28.0 9.8
29.0 70.4
30.0 1.6
39.0 14.5
40.0 2.2
41.0 32.4
42.0 9.5
43.0 99.6
44.0 3.5
51.0 1.4
53.0 3.2
54.0 1.4
55.0 11.3
56.0 7.3
57.0 100.0
58.0 3.6
69.0 2.3
70.0 1.5
71.0 87.9
72.0 82.4
73.0 18.9
74.0 1.0
81.0 1.3
85.0 1.6
99.0 66.0
100.0 4.7
128.0 25.8
129.0 2.6
90 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C8 H16 O | 0.04 ml : 0.5 ml CDCl3 |
| 5-methyl-3-heptanone | |
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Assign. Shift(ppm) |
Hz ppm Int.
219.31 2.449 258
212.06 2.368 368
206.00 2.301 256
198.81 2.220 222
190.69 2.130 60
183.31 2.047 64
176.06 1.966 45
169.56 1.894 51
163.25 1.823 38
121.69 1.359 70
117.63 1.314 90
113.88 1.272 90
112.38 1.255 81
110.81 1.238 113
108.44 1.211 73
107.25 1.198 67
105.00 1.173 65
103.81 1.160 98
100.81 1.126 391
93.75 1.047 1000
86.19 0.963 391
85.75 0.958 359
85.06 0.950 328
81.94 0.915 740
78.50 0.877 316
77.88 0.870 352
75.56 0.844 653
in CDCl3

CCl4 solution

liquid film

4880 A,200 M,liquid

5-METHYL-3-HEPTANONE(541-85-5) 1H NMR Atlas of Related Products
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