2-Hydroxy-3-methylbutyric acid, 2TMS derivative

• Formula: C₁₁H₂₆O₃Si₂
• Molecular weight: 262.4933
• IUPAC Standard InChI: InChI=1S/C11H26O3Si2/c1-9(2)10(13-15(3,4)5)11(12)14-16(6,7)8/h9-10H,1-8H3 Copy

  
• IUPAC Standard InChIKey: QWRWSWPAGNHCNI-UHFFFAOYSA-N Copy
• CAS Registry Number: 55124-92-0
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Butanoic acid, 3-methyl-2-[(trimethylsilyl)oxy]-, trimethylsilyl ester; α-Hydroxyisovaleric acid, (2TMS)-; 2-Hydroxyisopentanoic acid, bis-TMS; 2-Hydroxyisovaleric acid, di-TMS; Butanoic acid, 2-hydroxy-3-methyl, bis-TMS; Isovaleric acid, 2-hydroxy, di-TMS; 2-Hydroxyisovaleric acid, TMS; 2-Hydroxyisovalerate, TMS
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• Information on this page:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ohie, Fu, et al., 2000
Ohie, T.; Fu, X.; Iga, M.; Kimura, M.; Yamaguchi, S., Gas chromatography-mass spectrometry with tert .-butyldimethylsilyl derivatization: use of the simplified sample preparations and the automated data system to screen for organic acidemias, J. Chromatogr. B, 2000, 746, 1, 63-73, https://doi.org/10.1016/S0378-4347(00)00105-5 . [all data]

Halket, Przyborowska, et al., 1999
Halket, J.N.; Przyborowska, A.; Stein, S.E.; Mallard, W.G.; Down, S.; Chalmers, R., Deconvolution gas chromatography / mass spectrometry of urinary organic acids - potential for pattern recognition and automated identification of metabolic disorders, Rapid Commun. Mass spectrom., 1999, 13, 4, 279-284, https://doi.org/10.1002/(SICI)1097-0231(19990228)13:4<279::AID-RCM478>3.0.CO;2-I . [all data]

Kimura, Yamamoto, et al., 1999
Kimura, M.; Yamamoto, T.; Yamaguchi, S., Automated metabolic profiling and interpretation of GC/MS data for organic acidemia screening: a personal computer-based system, Tohoku J. Exp. Med., 1999, 188, 4, 317-334, https://doi.org/10.1620/tjem.188.317 . [all data]

Hoffmann, Aramaki, et al., 1989
Hoffmann, G.; Aramaki, S.; Blum-Hoffmann, E.; Nyhan, W.L.; Sweetman, L., Quantitative analysis for organic acids in biological samples: batch isolation followed by gas chromatographic-mass spectrometric analysis, Clin. Chem., 1989, 35, 4, 587-595. [all data]

Lefevere, Verhaeghe, et al., 1989
Lefevere, M.F.; Verhaeghe, B.J.; Declerck, D.H.; Van Bocxlaer, J.F.; De Leenheer, A.P.; De Sagher, R.M., Metabolic Profiling of Urinary Organic Acids by Single and Multicolumn Capillary Gas Chromatography, J. Chromatogr. Sci., 1989, 27, 1, 23-29, https://doi.org/10.1093/chromsci/27.1.23 . [all data]

Wurth, Kumps, et al., 1989
Wurth, C.; Kumps, A.; Mardens, Y., Urinary organic acids: Retention indices on two capillary gas chromatography columns, J. Chromatogr., 1989, 491, 186-192, https://doi.org/10.1016/S0378-4347(00)82831-5 . [all data]

Tuchman, Bowers, et al., 1984
Tuchman, M.; Bowers, L.D.; Fregien, K.D.; Crippin, P.J.; Krivit, W., Capillary Gas Chromatographic Separation of Urinary Organic Acids. Retention Indices of 101 Urinary Acids on a 5% Phenylmethyl Silicone Capillary Column, J. Chromatogr. Sci., 1984, 22, 5, 198-202, https://doi.org/10.1093/chromsci/22.5.198 . [all data]

Tanaka, Hine, et al., 1980
Tanaka, K.; Hine, D.G.; West-Dull, A.; Lynn, T.B., Gas-chromatographic method of analysis for urinary organic acids. I. Retention indices of 155 metabolically important compounds, Clin. Chem., 1980, 26, 13, 1839-1846. [all data]

Tsai, Oliphant, et al., 1985
Tsai, M.Y.; Oliphant, C.; Josephson, M.W., Identification of Metabolites Diagnostic for Organic Acidurias by Simultaneous Dual-Column Capillary Gas Chromatography, J. Chromatogr., 1985, 341, 1-10, https://doi.org/10.1016/S0378-4347(00)84004-9 . [all data]

Tanaka and Hine, 1982
Tanaka, K.; Hine, D.G., Compilation of Gas Chromatographic Retention Indices of 163 Metabolically Important Organic Acids, and Their Use in Detection of Patients with Organic Acidurias, J. Chromatogr., 1982, 239, 301-322, https://doi.org/10.1016/S0021-9673(00)81990-1 . [all data]

Isidorov, Kotowska, et al., 2005
Isidorov, V.A.; Kotowska, U.; Vinogorova, V.T., GC Identification of organic compounds based on partition coefficients of their TMS derivatives in a hexane-acetonitrile system and retention indices, Anal. Sci., 2005, 21, 12, 1483-1489, https://doi.org/10.2116/analsci.21.1483 . [all data]

Lee, Yanamandra, et al., 2002
Lee, B.Y.; Yanamandra, K.; Thurmon, T.F., Quantitative estimation of organic analytes with a capillary column, Am. Clin. Lab., 2002, May, 30-34. [all data]

Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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