Pentanoic acid, 3-methyl-, methyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChI: InChI=1S/C7H14O2/c1-4-6(2)5-7(8)9-3/h6H,4-5H2,1-3H3
- IUPAC Standard InChIKey: FHASOOYJUZKVFW-UHFFFAOYSA-N
- CAS Registry Number: 2177-78-8
- 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: Valeric acid, 3-methyl-, methyl ester; Methyl β-methylvalerate; Methyl 3-methylpentanoate; 3-Methylvaleric acid, methyl ester
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Gas Chromatography
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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
Kovats' RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1135. | Garruti, Franco, et al., 2001 | H2; Column length: 30. m; Column diameter: 0.25 mm; Program: 50 0C (8 min) 4 K/min -> 110 0C 16 K/min -> 200 0C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 875. | Guy and Vernin, 1996 | He, 70. C @ 5. min, 3. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 300. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 866. | Marlatt, Ho, et al., 1992 | 30. m/0.25 mm/0.25 μm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-Innowax | 1127. | 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 | 1115. | 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 |
| Capillary | Supelcowax-10 | 1145. | Loughrin, Hamilton-Kemp, et al., 1990 | He, 60. C @ 1. min, 2. K/min; Column length: 60. m; Column diameter: 0.32 mm; Tend: 220. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | PEG-20M | 1130. | Garruti, Franco, et al., 2003 | 30. m/0.25 mm/0.25 μm; Program: 50C(8min) => 4C/min => 110C => 16C/min => 200C |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Garruti, Franco, et al., 2001
Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.A.P.; Janzantti, N.S.; Alves, G.L.,
Compostos voláteis do sabor de pseudofrutos de cajueiro anão precoce (Anacardium occidentale L.) CCP-76, Boletim de Pesquisa e Desenvolvimento 4, Empresa Brasileira de Pesquisa Agropecuária, Fortaleza, Brazil, 2001, 29, retrieved from http://www.cnpat.embrapa.br/publica/pub/BolPesq/pd4.pdf. [all data]
Guy and Vernin, 1996
Guy, I.; Vernin, G.,
Minor compounds from Cistus ladaniferus L. essential oil from esterel. 2. Acids and phenols,
J. Essent. Oil Res., 1996, 8, 4, 455-462, https://doi.org/10.1080/10412905.1996.9700666
. [all data]
Marlatt, Ho, et al., 1992
Marlatt, C.; Ho, C.-T.; Chien, M.,
Studies of aroma constituents bound as glycosides in tomato,
J. Agric. Food Chem., 1992, 40, 2, 249-252, https://doi.org/10.1021/jf00014a016
. [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]
Loughrin, Hamilton-Kemp, et al., 1990
Loughrin, J.H.; Hamilton-Kemp, T.R.; Andersen, R.A.; Hildebrand, D.F.,
Headspace compounds from flowers of Nicotiana tabacum and related species,
J. Agric. Food Chem., 1990, 38, 2, 455-460, https://doi.org/10.1021/jf00092a027
. [all data]
Garruti, Franco, et al., 2003
Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.P.; Janzantti, N.S.; Alves, G.L.,
Evaluation of volatile flavour compounds from cashew apple (Anacardium occidentale L) juice by the Osme gas chromatography/olfactometry technique,
J. Sci. Food Agric., 2003, 83, 14, 1455-1462, https://doi.org/10.1002/jsfa.1560
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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