Product NamePIPERONYL METHYL KETONE
CAS4676-39-5
Molecular FormulaC10H10O3
Molecular Weight178.18
InChIInChI=1S/C10H10O3/c1-7(11)4-8-2-3-9-10(5-8)13-6-12-9/h2-3,5H,4,6H2,1H3
InChIKey XIYKRJLTYKUWAM-UHFFFAOYSA-N
SmilesC(C1=CC=C2OCOC2=C1)C(=O)C

Mass
MS-NW-9486 methyl piperonyl ketone C10H10O3 (Mass of molecular ion: 178)
Source Temperature: 260 °C Sample Temperature: 150 °C Reservoir, 75 eV
39.0 1.5
43.0 10.1
50.0 2.1
51.0 9.5
63.0 1.0
65.0 1.1
67.0 1.7
76.0 1.3
77.0 17.7
78.0 2.2
79.0 5.5
105.0 6.5
106.0 1.1
135.0 100.0
136.0 10.4
149.0 1.9
178.0 26.1
179.0 3.1
400 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C10 H10 O3 | 0.05 ml : 0.5 ml CDCl3 |
| methyl piperonyl ketone | |
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Assign. Shift(ppm) |
Hz ppm Int.
2701.87 6.761 203
2701.42 6.760 210
2693.79 6.741 272
2666.63 6.673 220
2666.17 6.672 233
2664.49 6.668 248
2653.66 6.640 161
2653.05 6.639 125
2652.44 6.637 105
2651.82 6.636 153
2651.21 6.634 95
2646.33 6.622 71
2645.72 6.621 137
2645.11 6.619 93
2644.50 6.618 79
2643.89 6.616 109
2362.21 5.911 944
1434.33 3.589 520
851.75 2.132 1000
in CDCl3

liquid film

PIPERONYL METHYL KETONE(4676-39-5) 13C NMR Atlas of Related Products