2-Acetyl-3-methylpyrazine
- Formula: C7H8N2O
- Molecular weight: 136.1512
- IUPAC Standard InChI: InChI=1S/C7H8N2O/c1-5-7(6(2)10)9-4-3-8-5/h3-4H,1-2H3
- IUPAC Standard InChIKey: QUNOTZOHYZZWKQ-UHFFFAOYSA-N
- CAS Registry Number: 23787-80-6
- 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: Ethanone, 1-(3-methylpyrazinyl)-; 1-(3-Methyl-2-pyrazinyl)ethanone; 1-[3-Methyl-2-pyrazinyl]-1-ethanone; 3-Acetyl-2-methylpyrazine; Pyrazine, 2-acetyl-3-methyl; Pyrazine, 3-acetyl-2-methyl; 1-(3-methylpyrazinyl)ethan-1-one
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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
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | DB-Wax | DB-Wax |
| Column length (m) | 30. | 60. |
| Carrier gas | He | He |
| Substrate | ||
| Column diameter (mm) | 0.53 | 0.25 |
| Phase thickness (μm) | 1. | |
| Tstart (C) | 40. | 60. |
| Tend (C) | 225. | 180. |
| Heat rate (K/min) | 6. | 2. |
| Initial hold (min) | 5. | |
| Final hold (min) | 30. | |
| I | 1629. | 1627. |
| Reference | Cadwallader and Heo, 2001 | Sekiwa, Kubota, et al., 1997 |
| Comment | MSDC-RI | MSDC-RI |
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.
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]
Sekiwa, Kubota, et al., 1997
Sekiwa, Y.; Kubota, K.; Kobayashi, A.,
Characteristic flavor components in the brew of cooked clam (Meretrix lusoria) and the effect of storage on flavor formation,
J. Agric. Food Chem., 1997, 45, 3, 826-830, https://doi.org/10.1021/jf960433e
. [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
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