Pyrazine, 2-ethyl-3,5-dimethyl-

• Formula: C₈H₁₂N₂
• Molecular weight: 136.1943
• IUPAC Standard InChI: InChI=1S/C8H12N2/c1-4-8-7(3)10-6(2)5-9-8/h5H,4H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: JZBCTZLGKSYRSF-UHFFFAOYSA-N Copy
• CAS Registry Number: 13925-07-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 2-Ethyl-3,5-dimethylpyrazine; Pyrazine, 3,5-dimethyl-2-ethyl-; FEMA 3150; Pyrazine, 2,6-dimethyl-3-ethyl-; 2,6-Dimethyl-3-ethylpyrazine; 3,5-Dimethyl-2-ethylpyrazine; 3-Ethyl-2,6-dimethylpyrazine; Pyrazine, 3-ethyl-2,6-dimethyl; 2-Ethyl-3,5(6)-dimethylpyrazine
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• Information on this page:
  • Normal alkane RI, non-polar column, custom temperature program
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Normal alkane RI, non-polar column, custom temperature program

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

References

Go To: Top, Normal alkane RI, non-polar column, custom temperature program, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Yu and Zhang, 2010
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Frauendorfer and Schieberle, 2008
Frauendorfer, F.; Schieberle, P., Changes in key aroma compounds of criollo cocoa beans during roasting, J. Agric. Food Chem., 2008, 56, 21, 10244-10251, https://doi.org/10.1021/jf802098f . [all data]

Risticevic, Carasek, et al., 2008
Risticevic, S.; Carasek, E.; Pawliszyn, J., Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee, Anal. Chim. Acta, 2008, 617, 1-2, 72-84, https://doi.org/10.1016/j.aca.2008.04.009 . [all data]

Wan Aida, Ho, et al., 2008
Wan Aida, W.M.; Ho, C.W.; Maskat, M.Y.; Osman, H., Relating descriptive sensory analysis to gas chromatography / mass spectrometry of palm sugars using partial least squares regression, ASEAN Food J., 2008, 15, 1, 35-45. [all data]

Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007
Characterization of Pyrazines in Some Chinese Liquors; Their Approximate Concentrations, W. Fan; Y. Xu; Y. Zhang, J. Agric. Food Chem., 2007, 55, 9956-9962. [all data]

Ho, Wan Aida, et al., 2007
Ho, C.W.; Wan Aida, W.M.; Maskat, M.Y.; Osman, H., Changes in volatile compounds of palm sap (Arenga pinnata) during the heating process for production of palm sugar, Food Chem., 2007, 102, 4, 1156-1162, https://doi.org/10.1016/j.foodchem.2006.07.004 . [all data]

Lasekan, Buettner, et al., 2007
Lasekan, O.; Buettner, A.; Christlbauer, M., Investigation of important odorants of palm wine (Elaeis guineensis), Food Chem., 2007, 105, 1, 15-23, https://doi.org/10.1016/j.foodchem.2006.12.052 . [all data]

Bailly, Jerkovic, et al., 2006
Bailly, S.; Jerkovic, V.; Marchand-Brynaert, J.; Collin, S., Aroma Extraction Dilution Analysis of Sauternes Wines. Key Role of Polyfunctional Thiols, J. Agric. Food Chem., 2006, 54, 19, 7227-7234, https://doi.org/10.1021/jf060814k . [all data]

Carpino, Mallia, et al., 2004
Carpino, S.; Mallia, S.; Licitra, G.; van Soest, P.J.; Acree, T.E., Aroma compounds of some Hyblean pasture species, Flavour Fragr. J., 2004, 19, 4, 293-297, https://doi.org/10.1002/ffj.1346 . [all data]

Counet, Ouwerx, et al., 2004
Counet, C.; Ouwerx, C.; Rosoux, D.; Collin, S., Relationship between procyanidin and flavor contents of cocoa liquors from different origins, J. Agric. Food Chem., 2004, 52, 20, 6243-6249, https://doi.org/10.1021/jf040105b . [all data]

Bücking and Steinhart, 2002
Bücking, M.; Steinhart, H., Headspace GC and sensory analysis characterization of the influence of different milk additives on the flavor release of coffee beverages, J. Agric. Food Chem., 2002, 50, 6, 1529-1534, https://doi.org/10.1021/jf011117p . [all data]

Counet, Callemien, et al., 2002
Counet, C.; Callemien, D.; Ouwerx, C.; Collin, S., Use of gas chromatography-olfactometry to identify key odorant compounds in dark chocolate. Comparison of samples before and after conching, J. Agric. Food Chem., 2002, 50, 8, 2385-2391, https://doi.org/10.1021/jf0114177 . [all data]

Duckham, Dodson, et al., 2001
Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Volatile flavour components of baked potato flesh. A comparison of eleven potato cultivars, Nahrung/Food, 2001, 45, 5, 317-323, https://doi.org/10.1002/1521-3803(20011001)45:5<317::AID-FOOD317>3.0.CO;2-4 . [all data]

Masanetz, Guth, et al., 1998
Masanetz, C.; Guth, H.; Grosch, W., Fishy and hay-like off-flavours of dry spinach, Z. Lebensm. Unters. Forsch. A, 1998, 206, 2, 108-113, https://doi.org/10.1007/s002170050224 . [all data]

Matsui, Guth, et al., 1998
Matsui, T.; Guth, H.; Grosch, W., A comparative study of potent odorants in peanut, hazelnut, and pumpkin seed oils on the basis of aroma extract dilution analysis (AEDA) and gas chromatography-olfactometry of headspace samples (GCOH), Lipid - Fett, 1998, 100, 2, 51-56, https://doi.org/10.1002/(SICI)1521-4133(199802)100:2<51::AID-LIPI51>3.0.CO;2-W . [all data]

Zehentbauer and Grosch, 1998
Zehentbauer, G.; Grosch, W., Crust aroma of baguettes. I. Key odorants of baguettes prepared in two different ways, J. Cereal Science, 1998, 28, 1, 81-92, https://doi.org/10.1006/jcrs.1998.0184 . [all data]

Schermann and Schieberle, 1997
Schermann, P.; Schieberle, P., Evaluation of key odorants in milk chocolate and cocoa mass by aroma extract dilution analyses, J. Agric. Food Chem., 1997, 45, 3, 867-872, https://doi.org/10.1021/jf960670h . [all data]

Schieberle, 1996
Schieberle, P., Odour-active compounds in moderately roasted sesame, Food Chem., 1996, 55, 2, 145-152, https://doi.org/10.1016/0308-8146(95)00095-X . [all data]

Schieberle and Grosch, 1994
Schieberle, P.; Grosch, W., Potent odorants of rye bread crust - differences from the crumb and from wheat bread crust, Z. Lebensm. Unters. Forsch., 1994, 198, 4, 292-296, https://doi.org/10.1007/BF01193177 . [all data]

Guth and Grosch, 1993
Guth, H.; Grosch, W., 12-Methyltridecanal, a species-specific odorant of stewed beef, Lebensm. Wiss. Technol., 1993, 26, 2, 171-177, https://doi.org/10.1006/fstl.1993.1035 . [all data]

Blank, Sen, et al., 1992
Blank, I.; Sen, A.; Grosch, W., Potent odorants of the roasted powder and brew of Arabica coffee, Z. Lebensm. Unters Forsch., 1992, 195, 3, 239-245, https://doi.org/10.1007/BF01202802 . [all data]

Kawai, Ishida, et al., 1991
Kawai, T.; Ishida, Y.; Kakiuchi, H.; Ikeda, N.; Higashida, T.; Nakamura, S., Flavor components of dried squid, J. Agric. Food Chem., 1991, 39, 4, 770-777, https://doi.org/10.1021/jf00004a031 . [all data]

Notes

Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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