Ethanone, 1-(3,5-dimethylpyrazinyl)-
- Formula: C8H10N2O
- Molecular weight: 150.1778
- IUPAC Standard InChI: InChI=1S/C8H10N2O/c1-5-4-9-8(7(3)11)6(2)10-5/h4H,1-3H3
- IUPAC Standard InChIKey: UCGOSAWBWFUKDT-UHFFFAOYSA-N
- CAS Registry Number: 54300-08-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: 2-Acetyl-3,5-dimethylpyrazine; 1-(3,5-Dimethyl-2-pyrazinyl)-1-ethanone; Pyrazine, 2-acetyl-3,5-dimethyl; 1-(3,5-dimethylpyrazinyl)ethan-1-one
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Normal alkane RI, polar column, temperature ramp
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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
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | DB-Wax | Carbowax 20M |
| Column length (m) | 30. | 50. |
| Carrier gas | He | N2 |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.22 |
| Phase thickness (μm) | 0.25 | |
| Tstart (C) | 50. | 80. |
| Tend (C) | 230. | 200. |
| Heat rate (K/min) | 4. | 2. |
| Initial hold (min) | ||
| Final hold (min) | 15. | |
| I | 1654. | 1629. |
| Reference | Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007 | Mihara and Enomoto, 1985 |
| 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.
Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007
Characterization of Pyrazines in Some Chinese Liquors; Their Approximate Concentrations,
W. Fan; Y. Xu; Y. Zhang,
J. Agric. Food Chem., 2007, 55, 9956-9962. [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
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