Leucine, 2TMS derivative
- Formula: C12H29NO2Si2
- Molecular weight: 275.5352
- IUPAC Standard InChI: InChI=1S/C12H29NO2Si2/c1-10(2)9-11(13-16(3,4)5)12(14)15-17(6,7)8/h10-11,13H,9H2,1-8H3
- IUPAC Standard InChIKey: OIBARLCQMDCDSG-UHFFFAOYSA-N
- CAS Registry Number: 15984-97-1
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: N,O-Bis-(trimethylsilyl)leucine; Leucine di-TMS; DL-Leucine, N-(trimethylsilyl)-, trimethylsilyl ester; Leu, bis-TMS; Llucine (N,O-TMS); Leucine, bis-TMS; Leu, (2TMS); Leucine, N-trimethylsilyl-, trimethylsilyl ester, DL-; Leu, TMS; Leucine, TMS; LEUCINE (N,O-TMS); L-Leucine, N-trimethylsilyl-, trimethylsilyl ester
- Information on this page:
- Other data available:
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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, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SP-2100 | 90. | 1284.85 | Gajewski, Dizdaroglu, et al., 1982 | He; Column length: 12. m; Column diameter: 0.2 mm |
| Capillary | SE-54 | 85. | 1287.56 | Gajewski, Dizdaroglu, et al., 1982 | He; Column length: 12. m; Column diameter: 0.2 mm |
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SP-2100 | 1294.37 | Gajewski, Dizdaroglu, et al., 1982 | He, 6. K/min; Column length: 12. m; Column diameter: 0.2 mm; Tstart: 80. C; Tend: 250. C |
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 1299.65 | Gajewski, Dizdaroglu, et al., 1982 | He; Column length: 12. m; Column diameter: 0.2 mm; Program: 70C => 4C/min => 170C=8C/min => 250C |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Carbowax 20M | 75. | 1358.58 | Gajewski, Dizdaroglu, et al., 1982 | He; Column length: 12. m; Column diameter: 0.2 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5MS | 1279.3 | Jonsson, Johansson, et al., 2005 | 10. m/0.18 mm/0.18 μm, 70. C @ 2. min, 40. K/min, 320. C @ 2. min |
| Capillary | DB-5 | 1275. | Fu, Iga, et al., 2000 | 30. m/0.25 mm/0.25 μm, He, 100. C @ 1. min, 10. K/min, 290. C @ 8. min |
| Capillary | DB-5 | 1276. | Ohie, Fu, et al., 2000 | 30. m/0.25 mm/0.25 μm, 100. C @ 1. min, 10. K/min, 300. C @ 15. min |
| Packed | OV-1 | 1284. | Butts, 1972 | He, Chromosorb W HP (80-100 mesh), 10. K/min; Column length: 2. m; Tstart: 100. C; Tend: 325. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 1261.6 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1292. | Lee, Yanamandra, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 70. C @ 3. min, 4. K/min, 280. C @ 3. min |
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.
Gajewski, Dizdaroglu, et al., 1982
Gajewski, E.; Dizdaroglu, M.; Simic, M.G.,
Kovats' Indices of Trimethylsilylated Amino Acids on Fused-Silica Capillary Columns,
J. Chromatogr., 1982, 249, 1, 41-55, https://doi.org/10.1016/S0021-9673(00)80231-9
. [all data]
Jonsson, Johansson, et al., 2005
Jonsson, P.; Johansson, A.I.; Gullberg, J.; Trygg, J.; Jiye, A.; Grung, B.; Marklund, S.; Sjöström, M.; Antti, H.; Moritz, T.,
High-throughput data analysis for detecting and identifying differences between samples in GC/MS-based metabolomic analyses,
Anal. Chem., 2005, 77, 17, 5635-5642, https://doi.org/10.1021/ac050601e
. [all data]
Fu, Iga, et al., 2000
Fu, X.; Iga, M.; Kimura, M.; Yamaguchi, S.,
Simplified screening for organic acidemia using GC/MS and dried urine filter paper: a study on neonatal mass screening,
Early Hum. Dev., 2000, 58, 1, 41-55, https://doi.org/10.1016/S0378-3782(00)00053-0
. [all data]
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]
Butts, 1972
Butts, W.C.,
Two-Column Gas Chromatography of Trimethylsilyl Derivatives of Biochemically Significant Compounds,
Anal. Biochemistry, 1972, 46, 1, 187-199, https://doi.org/10.1016/0003-2697(72)90411-3
. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [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
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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