Pentanoic acid, 2-hydroxy-4-methyl-, methyl ester
- Formula: C7H14O3
- Molecular weight: 146.1843
- IUPAC Standard InChI: InChI=1S/C7H14O3/c1-5(2)4-6(8)7(9)10-3/h5-6,8H,4H2,1-3H3
- IUPAC Standard InChIKey: JOSNYUDSMPILKL-UHFFFAOYSA-N
- CAS Registry Number: 40348-72-9
- 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, 2-hydroxy-4-methyl-, methyl ester; methyl 2-hydroxy-4-methylpentanoate; 2-Hydroxyisocaproic acid, methyl ester; methyl 2-hydroxy-4-methylvalerate
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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 | NIST Mass Spectrometry Data Center |
| NIST MS number | 332759 |
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1013. | Osorio, Alarcon, et al., 2006 | 25. m/0.2 mm/0.33 μm, 4. K/min; Tstart: 50. C; Tend: 300. C |
| Capillary | CP Sil 5 CB | 966. | Pino, Almora, et al., 2003 | 60. m/0.32 mm/0.25 μm, He, 60. C @ 10. min, 3. K/min, 280. C @ 60. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 994.9 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1516. | Osorio, Alarcon, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 4. K/min, 220. C @ 20. min |
| Capillary | AT-Wax | 1510. | Pino, Almora, et al., 2003 | 60. m/0.32 mm/0.25 μm, He, 65. C @ 10. min, 2. K/min, 250. C @ 60. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | TC-Wax | 1470. | 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 |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1522. | Sampaio, Garruti, et al., 2011 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 35 0C (9 min) 5 0C/min -> 80 0C 1 0C/min -> 100 0C 16 0C/min -> 210 0C (20 min) |
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.
Osorio, Alarcon, et al., 2006
Osorio, C.; Alarcon, M.; Moreno, C.; Bonilla, A.; Barrios, J.; Garzon, C.; Duque, C.,
Characterization of Odor-Active Volatiles in Champa ( Campomanesia lineatifolia R. P.),
J. Agric. Food Chem., 2006, 54, 2, 509-516, https://doi.org/10.1021/jf052098c
. [all data]
Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R.,
Volatile components of papaya (Carica papaya L., maradol variety) fruit,
Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248
. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [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]
Sampaio, Garruti, et al., 2011
Sampaio, K.S.; Garruti, D.S.; Franco, M.R.B.; Janzantti, N.S.; Da Silva, M.A.AP.,
Aroma volatiles recovered in the water phase of cashew apple (Anacardium occidentale L.) juice during concentration,
J. Sci. Food Agric., 2011, 91, 10, 1801-1809, https://doi.org/10.1002/jsfa.4385
. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References
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