Product Name2,3-Diethyl-5-methylpyrazine
CAS18138-04-0
Molecular FormulaC9H14N2
Molecular Weight150.22
InChIInChI=1S/C9H14N2/c1-4-8-9(5-2)11-7(3)6-10-8/h6H,4-5H2,1-3H3
InChIKey PSINWXIDJYEXLO-UHFFFAOYSA-N
SmilesC1(CC)=NC=C(C)N=C1CC

Mass
MS-NW-9251 2,3-diethyl-5-methylpyrazine C9H14N2 (Mass of molecular ion: 150)
Source Temperature: 250 °C Sample Temperature: 160 °C Reservoir, 75 eV
27.0 3.7
28.0 8.7
29.0 3.3
38.0 1.3
39.0 15.8
40.0 5.8
41.0 6.4
42.0 3.4
51.0 1.6
52.0 2.5
53.0 3.9
54.0 4.9
55.0 1.8
56.0 33.9
57.0 1.3
65.0 2.1
66.0 4.5
67.0 5.6
68.0 1.0
77.0 1.0
79.0 1.4
80.0 1.6
81.0 1.1
93.0 1.8
94.0 5.3
95.0 2.2
107.0 2.9
108.0 1.3
120.0 2.0
121.0 19.8
122.0 11.0
123.0 2.1
133.0 5.0
134.0 4.7
135.0 70.6
136.0 7.1
147.0 1.0
149.0 60.7
150.0 100.0
151.0 10.8
90 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C9 H14 N2 | 0.02 ml : 0.5 ml CDCl3 |
| 2,3-diethyl-5-methylpyrazine | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
733.88 8.195 246
264.06 2.949 116
256.44 2.864 394
252.69 2.822 38
249.00 2.781 441
244.63 2.732 39
243.94 2.724 39
243.69 2.721 39
241.56 2.698 175
226.44 2.529 36
223.00 2.490 915
217.19 2.426 31
216.81 2.421 31
216.38 2.417 30
122.44 1.368 535
119.00 1.329 46
115.00 1.285 1000
110.50 1.234 55
109.94 1.228 55
107.38 1.199 431
in CDCl3

liquid film


2,3-Diethyl-5-methylpyrazine(18138-04-0) 1H NMR Atlas of Related Products
HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase
Copyright © 2017 ChemicalBook All rights reserved.