Pyrazine, 2-methoxy-3-(1-methylethyl)-

• Formula: C₈H₁₂N₂O
• Molecular weight: 152.1937
• IUPAC Standard InChI: InChI=1S/C8H12N2O/c1-6(2)7-8(11-3)10-5-4-9-7/h4-6H,1-3H3 Copy

  
• IUPAC Standard InChIKey: NTOPKICPEQUPPH-UHFFFAOYSA-N Copy
• CAS Registry Number: 25773-40-4
• 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-Isopropyl-3-methoxypyrazine; 2-Methoxy-3-isopropylpyrazine; 3-Isopropyl-2-methoxypyrazine
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

Gas Chromatography

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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

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Scheidig, Czerny, et al., 2007
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Colahan-Sederstrom, P.M.; Peterson, D.G., Inhibition of key aroma compound generated during ultrahigh-temperature processing of bovine milk via epicatechin addition, J. Agric. Food Chem., 2005, 53, 2, 398-402, https://doi.org/10.1021/jf0487248 . [all data]

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Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Effect of cultivar and storage time on the volatile flavor components of baked potato, J. Agric. Food Chem., 2002, 50, 20, 5640-5648, https://doi.org/10.1021/jf011326+ . [all data]

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Karagül-Yüceer, Y.; Drake, M.; Cadwallader, K.R., Aroma-active components of nonfat dry milk, J. Agric. Food Chem., 2001, 49, 6, 2948-2953, https://doi.org/10.1021/jf0009854 . [all data]

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Buettner and Schieberle, 1999
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Fickert and Schieberle, 1998
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Hinterholzer and Schieberie, 1998
Hinterholzer, A.; Schieberie, P., Identification of the most odour-active volatiles in fresh, hand-extracted juice of valencia late oranges by odour dilution techniques, Flavour Fragr. J., 1998, 13, 1, 49-55, https://doi.org/10.1002/(SICI)1099-1026(199801/02)13:1<49::AID-FFJ691>3.0.CO;2-S . [all data]

Kubícková and Grosch, 1997
Kubícková, J.; Grosch, W., Evaluation of potent odorants of camembert cheese by dilution and concentration techniques, Int. Dairy J., 1997, 7, 1, 65-70, https://doi.org/10.1016/S0958-6946(96)00044-1 . [all data]

Petka, Ferreira, et al., 2006
Petka, J.; Ferreira, V.; González-Viñas, M.A.; Cacho, J., Sensory and Chemical Characterization of the Aroma of a White Wine Made with Devín Grapes, J. Agric. Food Chem., 2006, 54, 3, 909-915, https://doi.org/10.1021/jf0518397 . [all data]

Varming, Andersen, et al., 2004
Varming, C.; Andersen, M.L.; Poll, L., Influence of thermal treatment on black currant (Ribes nigrum L.) juice aroma, J. Agric. Food Chem., 2004, 52, 25, 7628-7636, https://doi.org/10.1021/jf049435m . [all data]

Varming, Petersen, et al., 2004
Varming, C.; Petersen, M.A.; Poll, L., Comparison of isolation methods for the determination of important aroma compounds in black currant (Ribes nigrum L.) juice, using nasal impact frequency profiling, J. Agric. Food Chem., 2004, 52, 6, 1647-1652, https://doi.org/10.1021/jf035133t . [all data]

Stephan and Steinhart, 1999
Stephan, A.; Steinhart, H., Identification of character impact odorants of different soybean lecithins, J. Agric. Food Chem., 1999, 47, 7, 2854-2859, https://doi.org/10.1021/jf981387g . [all data]

Wang, Finn, et al., 2005
Wang, Y.; Finn, C.; Qian, M.C., Impact of Growing Environment on Chickasaw Blackberry ( Rubus L.) Aroma Evaluated by Gas Chromatography Olfactometry Dilution Analysis, J. Agric. Food Chem., 2005, 53, 9, 3563-3571, https://doi.org/10.1021/jf048102m . [all data]

Rhlid, Fleury, et al., 2002
Rhlid, R.B.; Fleury, Y.; Blank, I.; Fay, L.B.; Welti, D.H.; Vera, F.A.; Juillerat, M.A., Generation of roasted notes based on 2-acetyl-2-thiazoline and its precursor, 2-(1-hydroxyethyl)-4,5-dihydrothiazole, by combined bio and thermal approaches, J. Agric. Food Chem., 2002, 50, 8, 2350-2355, https://doi.org/10.1021/jf011170d . [all data]

Radulovic, Dordevic, et al., 2010
Radulovic, N.S.; Dordevic, N.D.; Palic, R.M., Volatiles of Pleurospermum austriacum (L.) Hoffm. (Apiaceae), J. Serbian Chem. Soc., 2010, 75, 12, 1-11, https://doi.org/10.2298/JSC100323127R . [all data]

Shimizu, Imayoshi, et al., 2009
Shimizu, Y.; Imayoshi, Y.; Kato, M.; Maeda, K.; Iwabuchi, H.; Shimomura, K., Volatiles from leaves of field-grown plants and shoot cultures of Gynura bicolor DC, Flavour Fragr. J., 2009, 24, 5, 251-258, https://doi.org/10.1002/ffj.1938 . [all data]

Zeller and Rychlik, 2007
Zeller, A.; Rychlik, M., Impact of estragole and other odorants on the flavour of anise and tarragon, Flavour Fragr. J., 2007, 22, 2, 105-113, https://doi.org/10.1002/ffj.1765 . [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]

Suriyaphan, Drake, et al., 2001
Suriyaphan, O.; Drake, M.; Chen, X.Q.; Cadwallader, K.R., Characteristic aroma components of British farmhouse cheddar cheese, J. Agric. Food Chem., 2001, 49, 3, 1382-1387, https://doi.org/10.1021/jf001121l . [all data]

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Czerny, M.; Grosch, W., Potent odorants of raw Arabica coffee. Their changes during roasting, J. Agric. Food Chem., 2000, 48, 3, 868-872, https://doi.org/10.1021/jf990609n . [all data]

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Larsen, T.O.; Frisvad, J.C., Comparison of different methods for collection of volatile chemical markers from fungi, J. Microbiol. Methods, 1995, 24, 2, 135-144, https://doi.org/10.1016/0167-7012(95)00063-1 . [all data]

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Larsen, T.O.; Frisvad, J.C., A simple method for collection of volatile metabolites from fungi based on diffusive sampling from Petri dishes, J. Microbiol. Methods, 1994, 19, 4, 297-305, https://doi.org/10.1016/0167-7012(94)90032-9 . [all data]

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Notes

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References

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