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

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

  
• IUPAC Standard InChIKey: WHMWOHBXYIZFPF-UHFFFAOYSA-N Copy
• CAS Registry Number: 13360-65-1
• 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-3,6-dimethylpyrazine; 2,5-Dimethyl-3-ethylpyrazine; 3-Ethyl-2,5-dimethylpyrazine; 3,6-Dimethyl-2-ethylpyrazine; Pyrazine, 2-ethyl-3,6-dimethyl
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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.

Rodrigues, Hanson, et al., 2012
Rodrigues, C.I.I.; Hanson, C.M.; Nogueira, J.M.F., Coffees and industrial blends aroma profile discrimination according to the chromatic value, Coffee Sci, Lavras, 2012, 7, 2, 167-176. [all data]

Yu and Zhang, 2010
Yu, A.-N.; Zhang, A.-D., The effect of pH on the total formation of aroma compounds produced by hearting a model system containing L-ascorbic acid with L-threonine/L-serine, Food Chem., 2010, 119, 1, 214-219, https://doi.org/10.1016/j.foodchem.2009.06.026 . [all data]

Mebazaa, Mahmoudi, et al., 2009
Mebazaa, R.; Mahmoudi, A.; Fouchet, M.; Dos Santos, M.; Kamissoko, F.; Nafti, A.; Ben Cheikh, R.; Rega, B.; Camel, V., Characterization of volatile compounds in Tunisian fenugreek seeds, Food Chem., 2009, 115, 4, 1326-1336, https://doi.org/10.1016/j.foodchem.2009.01.066 . [all data]

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]

Xie, Sun, et al., 2008
Xie, J.; Sun, B.; Zheng, F.; Wang, S., Volatile flavor constituents in roasted pork of mini-pig, Food Chem., 2008, 109, 3, 506-514, https://doi.org/10.1016/j.foodchem.2007.12.074 . [all data]

Zhu, Li, et al., 2008
Zhu, M.; Li, E.; He, H., Determination of volatile chemical constitutes in tea by simultaneous distillation extraction, vacuum hydrodistillation and thermal desrption, Chromatographia, 2008, 68, 7/8, 603-610, https://doi.org/10.1365/s10337-008-0732-1 . [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]

Chuang, Lee, et al., 2007
Chuang, P.-H.; Lee, C.-W.; Chou, J.-Y.; Murugan, M.; Shieh, B.-J.; Chen, H.-M., Anti-fungal activity of crude extracts and essential oil of Moringa oleifera Lam, Bioresource Technol., 2007, 98, 1, 232-236, https://doi.org/10.1016/j.biortech.2005.11.003 . [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]

Duflos, Moine, et al., 2005
Duflos, G.; Moine, F.; Coin, V.M.; Malle, P., Determination of volatile compounds in whiting (Merlangius merlangus) using headspace-solid-phase microextraction-gas chromatography-mass spectrometry, J. Chromatogr. Sci., 2005, 43, 6, 304-312, https://doi.org/10.1093/chromsci/43.6.304 . [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]

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]

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 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]

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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