Pyrazine, 2-methoxy-3-(1-methylpropyl)-
- Formula: C9H14N2O
- Molecular weight: 166.2203
- IUPAC Standard InChI: InChI=1S/C9H14N2O/c1-4-7(2)8-9(12-3)11-6-5-10-8/h5-7H,4H2,1-3H3
- IUPAC Standard InChIKey: QMQDJVIJVPEQHE-UHFFFAOYSA-N
- CAS Registry Number: 24168-70-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 2-sec-Butyl-3-Methoxypyrazine; 2-Methoxy-3-sec-butylpyrazine; 2-Methoxy-3-(1-methyl-propyl) pyrazine; 3-sec-Butyl-2-methoxypyrazine; Pyrazine, 2-methoxy, 3-sec-butyl; Pyrazine, 3-methoxy-2-(1-methylpropyl)
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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 | Japan AIST/NIMC Database- Spectrum MS-IW- 943 |
| NIST MS number | 239661 |
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 | DB-5 | 1172. | Escudero, Campo, et al., 2007 | Program: not specified |
| Capillary | DB-5 | 1173. | Campo, Ferreira, et al., 2005 | Program: not specified |
| Capillary | PONA | 1151. | Cantergiani, Brevard, et al., 2001 | Program: not specified |
| Capillary | SE-54 | 1167. | Zimmermann and Schieberle, 2000 | 30. m/0.25 mm/0.25 μm, He; Program: 35C(2min) => 40C/min => 60C => 6C/min => 180C 20C/min => 240C(10min) |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1509. | Escudero, Campo, et al., 2007 | 30. m/0.32 mm/0.5 μm, H2; Program: 40C(5min) => 4C/min => 100C6C/min => 136C => 3C/min => 220C (10min) |
| Capillary | DB-Wax | 1514. | Campo, Ferreira, et al., 2005 | 30. m/0.32 mm/0.5 μm, H2; Program: 40C(5min) => 4C/min => 100C => 6C/min => 200C |
| Capillary | DB-Wax | 1503. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
| Capillary | DB-Wax | 1492. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
| Capillary | FFAP | 1510. | Zimmermann and Schieberle, 2000 | 30. m/0.25 mm/0.25 μm, He; Program: 35C(2min) => 40C/min => 60C => 6C/min => 180C 20C/min => 240C(10min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 1155. | Bendimerad and Bendiab, 2005 | 50. m/0.2 mm/0.5 μm, He, 2. K/min, 250. C @ 60. min; Tstart: 60. C |
| Capillary | BPX-5 | 1173. | Dickschat, Martens, et al., 2005 | 25. m/0.22 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min; Tend: 320. C |
| Capillary | HP-5 | 1179. | Larsen and Frisvad, 1995 | 35. C @ 2. min, 6. K/min; Tend: 200. C |
| Capillary | HP-5 | 1179. | Larsen and Frisvad, 1995 | 35. C @ 2. min, 6. K/min; Tend: 200. C |
| Capillary | HP-5 | 1179. | Larsen and Frisvad, 1994 | 35. C @ 2. min, 6. K/min; Tend: 200. C |
| Capillary | OV-101 | 1159. | Mihara and Masuda, 1988 | 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
| Capillary | DB-5 | 1162. | Gallois and Grimont, 1985 | H2, 2. K/min; Column length: 60. m; Column diameter: 0.32 mm; Tstart: 40. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 1175. | Christlbauer and Schieberle, 2009 | 30. m/0.32 mm/0.25 μm, Helium; Program: 35 0C (2 min) 10 0C/min -> 50 0C (2 min) 6 0C/min -> 250 0C |
| Capillary | HP-5 | 1176. | Hartmann, 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 50 C(1min) => 20C/min => 80C => 25C/min => 250C (3 min) |
| Capillary | HP-5 | 1180. | Hartmann, 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 50 C(1min) => 20C/min => 80C => 25C/min => 250C (3 min) |
| Capillary | HP-5 | 1180. | Hartmann, McNair, et al., 2002 | 30. m/0.25 mm/0.25 μm; Program: 40C (5min) => 10C/min => 80C => 20C/min => 230C (5min) |
| Capillary | RTX-5 | 1175. | Masanetz, Guth, et al., 1998 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 1490. | Christlbauer and Schieberle, 2009 | 30. m/0.32 mm/0.25 μm, Helium, 40. C @ 2. min, 6. K/min; Tend: 240. C |
| Capillary | Carbowax 20M | 1475. | Mihara and Masuda, 1988 | 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax FSC | 1503. | Saglam, Gozler, et al., 2001 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
| Capillary | CP-Wax 52CB | 1494. | Jakobsen, Hansen, et al., 1998 | 50. m/0.25 mm/0.2 μm, He; Program: 30C (1.5min) => 3C/min => 120C => 10C/min => 220C (3.5min) |
| Capillary | CP-Wax 52CB | 1500. | Luning, de Rijk, et al., 1994 | 50. m/0.32 mm/1.5 μm; Program: 40C => 2C/min => 150C => 10C/min => 250C |
| Capillary | CP-Wax 52CB | 1500. | Luning, de Rijk, et al., 1994 | 50. m/0.32 mm/1.5 μm; Program: 40C => 2C/min => 150C => 10C/min => 250C |
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.
Escudero, Campo, et al., 2007
Escudero, A.; Campo, E.; Fariña, L.; Cacho, J.; Ferreira, V.,
Analytical Characterization of the Aroma of Five Premium Red Wines. Insights into the Role of Odor Families and the Concept of Fruitiness of Wines,
J. Agric. Food Chem., 2007, 55, 11, 4501-4510, https://doi.org/10.1021/jf0636418
. [all data]
Campo, Ferreira, et al., 2005
Campo, E.; Ferreira, V.; Escudero, A.; Cacho, J.,
Prediction of the wine sensory properties related to grape variety from dynamic-headspace gas chromatography-olfactometry data,
J. Agric. Food Chem., 2005, 53, 14, 5682-5690, https://doi.org/10.1021/jf047870a
. [all data]
Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C.,
Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect,
Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305
. [all data]
Zimmermann and Schieberle, 2000
Zimmermann, M.; Schieberle, P.,
Important odorants of sweet bell pepper powder (Capsicum annuum cv. annuum): differences between samples of Hungarian and Morrocan origin,
Eur. Food Res. Technol., 2000, 211, 3, 175-180, https://doi.org/10.1007/s002170050019
. [all data]
Bendimerad and Bendiab, 2005
Bendimerad, N.; Bendiab, S.A.T.,
Composition and antibacterial activity of Pseudocytisus integrifolius (Salisb.) essential oil from Algeria,
J. Agric. Food Chem., 2005, 53, 8, 2947-2952, https://doi.org/10.1021/jf047937u
. [all data]
Dickschat, Martens, et al., 2005
Dickschat, J.S.; Martens, T.; Brinkhoff, T.; Simon, M.; Schulz, S.,
Volatiles released by a Streptomyces species isolated from the North Sea,
Chemistry and Biodiversity, 2005, 2, 7, 837-865, https://doi.org/10.1002/cbdv.200590062
. [all data]
Larsen and Frisvad, 1995
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]
Larsen and Frisvad, 1994
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]
Mihara and Masuda, 1988
Mihara, S.; Masuda, H.,
Structure-odor relationships for disubstituted pyrazines,
J. Agric. Food Chem., 1988, 36, 6, 1242-1247, https://doi.org/10.1021/jf00084a029
. [all data]
Gallois and Grimont, 1985
Gallois, A.; Grimont, P.A.D.,
Pyrazines responsible for the potatolike odor produced by some Serratia and Cedecea strains,
Appl. Environ. Microbiol., 1985, 10, 1048-1051. [all data]
Christlbauer and Schieberle, 2009
Christlbauer, M.; Schieberle, P.,
Characterization of the key aroma compounds in beef and pork vegetable gravies a la chef by application of the aroma extract dilution analysis,
J. Agric. Food Chem., 2009, 57, 19, 9114-9112, https://doi.org/10.1021/jf9023189
. [all data]
Hartmann, 2003
Hartmann, P.J.,
The effect of wine matrix ingredients on 3-alkyl-2-methoxypyrazines measurements by headspace solid-phase microextraction (HS-SPME), Master's Thesis, Virginia Tech., Blacksburg, Va., 2003, 30. [all data]
Hartmann, McNair, et al., 2002
Hartmann, P.J.; McNair, H.M.; Zoecklein, B.W.,
Measurement of 3-alkyl-2-methoxypyrazine by headspace solid-phase microextraction in spiked model wines,
Am. J. Enol. Vitic, 2002, 53, 4, 285-288. [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]
Saglam, Gozler, et al., 2001
Saglam, H.; Gozler, T.; Kivcak, B.; Demirci, B.; Baser, K.H.C.,
Volatile compounds from Haplophyllum myrtifolium,
Chem. Nat. Compd. (Engl. Transl.), 2001, 37, 5, 442-444, https://doi.org/10.1023/A:1014467225815
. [all data]
Jakobsen, Hansen, et al., 1998
Jakobsen, H.B.; Hansen, M.; Christensen, M.R.; Brockhoff, P.B.; Olsen, C.E.,
Aroma volatiles of blanched green peas (Pisum sativum L.),
J. Agric. Food Chem., 1998, 46, 9, 3727-3734, https://doi.org/10.1021/jf980026y
. [all data]
Luning, de Rijk, et al., 1994
Luning, P.A.; de Rijk, T.; Wichers, H.J.; Roozen, J.P.,
Gas chromatography, mass spectrometry, and sniffing port analyses of volatile compounds of fresh bell peppers (Capsicum annuum) at different ripening stages,
J. Agric. Food Chem., 1994, 42, 4, 977-983, https://doi.org/10.1021/jf00040a027
. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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