2(3H)-Furanone, dihydro-5-methyl-
- Formula: C5H8O2
- Molecular weight: 100.1158
- IUPAC Standard InChI: InChI=1S/C5H8O2/c1-4-2-3-5(6)7-4/h4H,2-3H2,1H3
- IUPAC Standard InChIKey: GAEKPEKOJKCEMS-UHFFFAOYSA-N
- CAS Registry Number: 108-29-2
- 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. - Species with the same structure:
- Other names: γ-Methyl-γ-butyrolactone; γ-Pentalactone; γ-Valerolactone; Pentanoic acid, 4-hydroxy-, γ-lactone; 4-Hydroxypentanoic acid lactone; 4-Hydroxyvaleric acid lactone; 4-Methyl-γ-butyrolactone; 4-Pentanolide; 4-Valerolactone; γ-Pentanolactone; γ-Valerolakton; Dihydro-5-methyl-2(3H)-furanone; Valeric acid, 4-hydroxy-, gamma-lactone; gamma-Valerolactone; 5-Methyldihydrofuran-2(3H)-one; 5-methyltetrahydrofuran-2-one; Dihydro-5-methyl-2-furanone; (.+/-.)-γ-Valerolactone; (.+/-.)-4-Methylbutyrolactone; 5-Methyltetrahydro-2-furanone; NSC 33700; Valeric acid, 4-hydroxy-, γ-lactone; 5-Methyldihydro-2(3H)-furanone; Pentan-4-olide; 5-Methyloxolan-2-one; Valerolactone
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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 | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | HP-Innowax | CP Wax 52 CB | Carbowax 20M | TC-Wax | Carbowax 20M |
| Column length (m) | 50. | 60. | 50. | 60. | 80. |
| Carrier gas | Helium | Helium | Helium | ||
| Substrate | |||||
| Column diameter (mm) | 0.20 | 0.25 | 0.70 | 0.25 | 0.2 |
| Phase thickness (μm) | 0.20 | 0.25 | |||
| Tstart (C) | 45. | 40. | 50. | 80. | 70. |
| Tend (C) | 190. | 220. | 280. | 240. | 170. |
| Heat rate (K/min) | 4. | 3. | 4. | 3. | 2. |
| Initial hold (min) | 2. | 2. | 5. | ||
| Final hold (min) | 50. | ||||
| I | 1629. | 1605. | 1614. | 1626. | 1617. |
| Reference | Soria, Sanz, et al., 2008 | Chen, Chyau, et al., 2007 | Saura, LAencina, et al., 2003 | Shuichi, Masazumi, et al., 1996 | Egolf and Jurs, 1993 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | Carbowax 20M | Carbowax 20M |
| Column length (m) | 50. | 150. |
| Carrier gas | He | |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.64 |
| Phase thickness (μm) | ||
| Tstart (C) | 60. | 50. |
| Tend (C) | 180. | 170. |
| Heat rate (K/min) | 2. | 1. |
| Initial hold (min) | 4. | 30. |
| Final hold (min) | 60. | |
| I | 1574. | 1600. |
| Reference | Kawakami, Kobayashi, et al., 1993 | Buttery, Ling, et al., 1983 |
| 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.
Soria, Sanz, et al., 2008
Soria, A.C.; Sanz, J.; Martinez-Castro, I.,
SPME followed by GC-MS: a powerful technique for qualitative analysis of honey volatiles,
Eur. Food Res. Technol., 2008, 1-12. [all data]
Chen, Chyau, et al., 2007
Chen, C.-C.; Chyau, C.-C.; Hseu, TY.-H.,
Production of a COX-2 inhibitor, 2,4,5-trimethoxybenzaldehyde, with submerged cultured Antrodia camphorata,
Lett. Appl. Microbiol., 2007, 44, 4, 387-392, https://doi.org/10.1111/j.1472-765X.2006.02087.x
. [all data]
Saura, LAencina, et al., 2003
Saura, D.; LAencina, J.; Perez-Lopez, A.J.; Lizama, V.; Carbonell-Barrachina, A.A.,
Aroma of canned peach halves acidified with clarified lemon juice,
J. Food Sci., 2003, 68, 3, 1080-1085, https://doi.org/10.1111/j.1365-2621.2003.tb08292.x
. [all data]
Shuichi, Masazumi, et al., 1996
Shuichi, H.; Masazumi, N.; Hiromu, K.; Kiyoshi, F.,
Comparison of volatile compounds berween the crude drugs, Onji-tsutsu and Onji-niki,
Nippon nogei kagaku kaishi, 1996, 70, 2, 151-160. [all data]
Egolf and Jurs, 1993
Egolf, L.M.; Jurs, P.C.,
Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds,
Anal. Chem., 1993, 65, 21, 3119-3126, https://doi.org/10.1021/ac00069a027
. [all data]
Kawakami, Kobayashi, et al., 1993
Kawakami, M.; Kobayashi, A.; Kator, K.,
Volatile constituents of Rooibos tea (Aspalathus linearis) as affected by extraction process,
J. Agric. Food Chem., 1993, 41, 4, 633-636, https://doi.org/10.1021/jf00028a023
. [all data]
Buttery, Ling, et al., 1983
Buttery, R.G.; Ling, L.C.; Teranishi, R.; Mon, T.R.,
Insect attractants: volatiles of hydrolizyed protein insect baits,
J. Agric. Food Chem., 1983, 31, 4, 689-692, https://doi.org/10.1021/jf00118a003
. [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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