Pyrazine, 2,3-diethyl-5-methyl-

• Formula: C₉H₁₄N₂
• Molecular weight: 150.2209
• IUPAC Standard InChI: InChI=1S/C9H14N2/c1-4-8-9(5-2)11-7(3)6-10-8/h6H,4-5H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: PSINWXIDJYEXLO-UHFFFAOYSA-N Copy
• CAS Registry Number: 18138-04-0
• 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-Methyl-5,6-diethylpyrazine; 2,3-Diethyl-5-methylpyrazine; 5-Methyl-2,3-diethylpyrazine; 2,3-Diethyl-6-methylpyrazine
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Normal alkane RI, polar column, temperature ramp
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to calorie-based units

Normal alkane RI, polar column, temperature ramp

Go To: Top, References, Notes

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, polar column, temperature ramp, Notes

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

Kumazawa, Sakai, et al., 2010
Kumazawa, K.; Sakai, N.; Amma, H.; Sakamoto, S.; Kodama, M.; Wada, Y.; Nishimura, O., Identification and formation of volatile components responsible for the characteristic aroma of Mat Rush (Igusa), Biosci. Biotechnol. Biochem., 2010, 74, 6, 1231-1236, https://doi.org/10.1271/bbb.100053 . [all data]

Schirack, Drake, et al., 2006
Schirack, A.V.; Drake, M.A.; Sander, T.H.; Sandeep, K.P., Characterization of aroma-active compounds in microwave blanched peanuts, J. Food Sci., 2006, 71, 9, c513-c520, https://doi.org/10.1111/j.1750-3841.2006.00173.x . [all data]

Kumazawa, Kubota, et al., 2005
Kumazawa, K.; Kubota, K.; Masuda, H., Influence of Manufacturing Conditions and Crop Season on the Formation of 4-Mercapto-4-methyl-2-pentanone in Japanese Green Tea (Sen-cha), J. Agric. Food Chem., 2005, 53, 13, 5390-5396, https://doi.org/10.1021/jf050392z . [all data]

Ishikawa, Ito, et al., 2004
Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. J., 2004, 19, 3, 183-187, https://doi.org/10.1002/ffj.1322 . [all data]

Akiyama, Murakami, et al., 2003
Akiyama, M.; Murakami, K.; Ohtani, N.; Iwatsuki, K.; Sotoyama, K.; Wada, A.; Tokuno, K.; Iwabuchi, H.; Tanaka, K., Analysis of volatile compounds released during the grinding of roasted coffee beans using solid-phase microextraction, J. Agric. Food Chem., 2003, 51, 7, 1961-1969, https://doi.org/10.1021/jf020724p . [all data]

Kumazawa and Masuda, 2002
Kumazawa, K.; Masuda, H., Identification of potent odorants in different green tea varieties using flavor dilution technique, J. Agric. Food Chem., 2002, 50, 20, 5660-5663, https://doi.org/10.1021/jf020498j . [all data]

Sanz, Czerny, et al., 2002
Sanz, C.; Czerny, M.; Cid, C.; Schieberle, P., Comparison of potent odorants in a filtered coffee brew and in an instant coffee beverage by aroma extract dilution analysis (AEDA), Eur. Food Res. Technol., 2002, 214, 4, 299-302, https://doi.org/10.1007/s00217-001-0459-9 . [all data]

Cadwallader and Heo, 2001
Cadwallader, K.R.; Heo, J., Aroma of roasted sesame oil: characterization by direct thermal desorption-gas chromatography-olfactometry and sample dilution analysis, Am. Chem. Soc. Symp. Ser., 2001, 782, 187-202. [all data]

Wong and Bernhard, 1988
Wong, J.M.; Bernhard, R.A., Effect of nitrogen source on pyrazine formation, J. Agric. Food Chem., 1988, 36, 1, 123-129, https://doi.org/10.1021/jf00079a032 . [all data]

Wu, Liou, et al., 1987
Wu, C.-M.; Liou, S.-E.; Chang, Y.-H.; Chiang, W., Volatile compounds of the wax gourd (Benincasa hispida, Cogn) and a wax gourd beverage, J. Food Sci., 1987, 52, 1, 132-134, https://doi.org/10.1111/j.1365-2621.1987.tb13988.x . [all data]

Mihara and Enomoto, 1985
Mihara, S.; Enomoto, N., Calculation of retention indices of pyrazines on the basis of molecular structure, J. Chromatogr., 1985, 324, 428-430, https://doi.org/10.1016/S0021-9673(01)81342-X . [all data]

Notes

Go To: Top, Normal alkane RI, polar column, temperature ramp, References

• Symbols used in this document:
  

  Tend	Final temperature
  Tstart	Initial temperature

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.