3-Methoxy-2,5-dimethylpyrazine
- Formula: C7H10N2O
- Molecular weight: 138.1671
- IUPAC Standard InChI: InChI=1S/C7H10N2O/c1-5-4-8-6(2)7(9-5)10-3/h4H,1-3H3
- IUPAC Standard InChIKey: QYRGVELVPYDICQ-UHFFFAOYSA-N
- CAS Registry Number: 19846-22-1
- 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: Pyrazine, 3-methoxy-2,5-dimethyl-; 2,5-Dimethyl-3-methoxypyrazine
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Mass spectrum (electron ionization)
Go To: Top, Gas Chromatography, 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
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | W.V. BROWN, CSIRO, BLACK MOUNTAIN, CANBERRA CITY, AUSTRALIA |
| NIST MS number | 99177 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 1054. | Jagella and Grosch, 1999 | 30. m/0.32 mm/0.25 μm, He; Program: 35C(2min) => 40C/min => 65C => 6C/min => 250C |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 1419. | Jagella and Grosch, 1999 | 30. m/0.32 mm/0.25 μm, He; Program: 40C(1min) => 40C/min => 60C => 6C/min => 230C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | RSL-200 | 1065. | Jirovetz, Buchbauer, et al., 2002 | 30. m/0.32 mm/0.25 μm, H2, 40. C @ 5. min, 6. K/min, 280. C @ 5. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1057. | Molyneux and Schieberle, 2007 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1385. | Schirack, Drake, et al., 2006 | 30. m/0.25 mm/0.25 μm, 40. C @ 3. min, 8. K/min, 200. C @ 20. min |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 1421. | Molyneux and Schieberle, 2007 | Program: not specified |
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.
Jagella and Grosch, 1999
Jagella, T.; Grosch, W.,
Flavour and off-flavour compounds of black and white pepper ( Piper nigrum L.) I. Evaluation of potent odorants of black pepper by dilution and concentration techniques,
Eur. Food Res. Technol., 1999, 209, 1, 16-21, https://doi.org/10.1007/s002170050449
. [all data]
Jirovetz, Buchbauer, et al., 2002
Jirovetz, L.; Buchbauer, G.; Ngassoum, M.B.; Geissler, M.,
Aroma compound analysis of Piper nigrum and Piper guineense essential oils from Cameroon using solid-phase microextraction-gas chromatography, solid-phase microextraction-gas chromatography-mass spectrometry and olfactometry,
J. Chromatogr. A, 2002, 976, 1-2, 265-275, https://doi.org/10.1016/S0021-9673(02)00376-X
. [all data]
Molyneux and Schieberle, 2007
Molyneux, R.J.; Schieberle, P.,
Compound identification: a Journal of Agricultural and Food Chemistry perspective,
J. Agric. Food Chem., 2007, 55, 12, 4625-4629, https://doi.org/10.1021/jf070242j
. [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]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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