2(3H)-Furanone, dihydro-4,5-dimethyl-

Formula: C₆H₁₀O₂
Molecular weight: 114.1424
IUPAC Standard InChI: InChI=1S/C6H10O2/c1-4-3-6(7)8-5(4)2/h4-5H,3H2,1-2H3
IUPAC Standard InChIKey: PXIPZIPSDBXFQR-UHFFFAOYSA-N
CAS Registry Number: 6971-63-7
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: 4-Hydroxy-3-methylpentanoic acid lactone; 4,5-Dimethyldihydro-2(3H)-furanone; 3-Methyl-4-pentanolide; 4,5-Dimethyl-4,5-dihydro-2(3H)-furanone; Dihydro-4,5-dimethyl-2(3H)-furanone
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Other data available:
- Mass spectrum (electron ionization)
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Gas Chromatography

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Column type	Active phase	I	Reference	Comment
Capillary	Supelcowax-10	1624.	Elmore, Nisyrios, et al., 2005	60. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min; T_end: 280. C

Column type	Active phase	I	Reference	Comment
Capillary	HP-5 MS	984.	Nawrath, Mgode, et al., 2012	30. m/0.25 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min; T_end: 320. C
Capillary	Ultra-2	939.	King, Hamilton, et al., 1993	50. m/0.32 mm/0.52 μm, He, 40. C @ 3. min, 4. K/min, 250. C @ 30. min

Column type	Active phase	I	Reference	Comment
Capillary	HP-Innowax	1591.	Wijaya, Ulrich, et al., 2005	15. m/0.25 mm/1. μm, 45. C @ 5. min, 10. K/min, 210. C @ 5. min
Capillary	TC-Wax	1590.	Suhardi, Suzuki, et al., 2002	60. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 3. K/min, 230. C @ 10. min

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Elmore, Nisyrios, et al., 2005
Elmore, J.S.; Nisyrios, I.; Mottram, D.S., Analysis of the headspace aroma compounds of walnuts (Juglans regia L.), Flavour Fragr. J., 2005, 20, 5, 501-506, https://doi.org/10.1002/ffj.1477 . [all data]

Nawrath, Mgode, et al., 2012
Nawrath, T.; Mgode, G.F.; Weetjens, B.; Kaufmann, S.H.E.; Schulz, S., The volatiles of pathogenic and nonpathogenic mycobacteria aand related bacteria, Beilstein J. Org. Chem., 2012, 8, 290-297, https://doi.org/10.3762/bjoc.8.31 . [all data]

King, Hamilton, et al., 1993
King, M.-F.; Hamilton, B.L.; Matthews, M.A.; Rule, D.C.; Field, R.A., Isolation and identification of volatiles and condensable material in raw beef with supercritical carbon dioxide extraction, J. Agric. Food Chem., 1993, 41, 11, 1974-1981, https://doi.org/10.1021/jf00035a030 . [all data]

Wijaya, Ulrich, et al., 2005
Wijaya, C.H.; Ulrich, D.; Lestari, R.; Schippel, K.; Ebert, G., Identification of potent odorants in different cultivars of snake fruit [Salacca zalacca (Gaert.) Voss] using gas chromatography-olfactometry, J. Agric. Food Chem., 2005, 53, 5, 1637-1641, https://doi.org/10.1021/jf048950h . [all data]

Suhardi, Suzuki, et al., 2002
Suhardi, S.; Suzuki, M.; Yoshida, K.; Muto, T.; Fujita, A.; Watanbe, N., Changes in the volatile compounds and in the chemical and physical properties of snake fruit (Salacca edulis Reinw) Cv. Pondoh during maturation, J. Agric. Food Chem., 2002, 50, 26, 7627-7633, https://doi.org/10.1021/jf020620e . [all data]

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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