Oxazole, 4,5-dimethyl-
- Formula: C5H7NO
- Molecular weight: 97.1152
- IUPAC Standard InChI: InChI=1S/C5H7NO/c1-4-5(2)7-3-6-4/h3H,1-2H3
- IUPAC Standard InChIKey: YVORRVFKHZLJGZ-UHFFFAOYSA-N
- CAS Registry Number: 20662-83-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 4,5-Dimethyloxazole; 5-Methyl-4-methyloxazole
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Normal alkane RI, polar column, custom temperature program
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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 | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | HP-Innowax | HP-Innowax | Carbowax | Carbowax | Carbowax |
| Column length (m) | 60. | 60. | |||
| Carrier gas | Helium | Helium | |||
| Substrate | |||||
| Column diameter (mm) | 0.32 | 0.32 | |||
| Phase thickness (μm) | 0.25 | 0.25 | |||
| Program | 40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min) | not specified | not specified | not specified | not specified |
| I | 1151. | 1152. | 1139. | 1139. | 1139. |
| Reference | Viegas and Bassoli, 2007 | Viegas and Bassoli, 2007 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | Carbowax | Carbowax |
| Column length (m) | ||
| Carrier gas | ||
| Substrate | ||
| Column diameter (mm) | ||
| Phase thickness (μm) | ||
| Program | not specified | not specified |
| I | 1140. | 1141. |
| Reference | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G.,
Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax,
Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040
. [all data]
Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G.,
Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting,
Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331
. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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