Pentanoic acid, 3-methyl-, methyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- 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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Mass spectrum (electron ionization)
Go To: Top, Gas Chromatography, 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
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Chemical Concepts |
NIST MS number | 152163 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
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, Mass spectrum (electron ionization), 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, Mass spectrum (electron ionization), Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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