Pregnane-3,17,20-triol, (3α,5β,20S)-, 2TMS derivative
- Formula: C27H52O3Si2
- Molecular weight: 480.8710
- IUPAC Standard InChI: InChI=1S/C27H52O3Si2/c1-19(29-31(4,5)6)27(28)17-14-24-22-11-10-20-18-21(30-32(7,8)9)12-15-25(20,2)23(22)13-16-26(24,27)3/h19-24,28H,10-18H2,1-9H3/t19?,20-,21-,22-,23+,24+,25+,26+,27+/m0/s1
- IUPAC Standard InChIKey: PYOLIIABYCOZPT-JZQWXWOWSA-N
- CAS Registry Number: 17562-94-6
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Pregnan-17-ol, 3,20-bis[(trimethylsilyl)oxy]-, (3α,5β,20S)-; 5β-Pregnan-17-ol, 3α,20α-bis(trimethylsiloxy)-; 3α,20α-Bis-trimethylsilyl-ether of 5β-pregnane-3α,17α,20α-triol; 3,20-Bis[(trimethylsilyl)oxy]pregnan-17-ol-, (3α,5β,20S)-; (3α,5β)-3,20-Bis[(Trimethylsilyl)oxy]pregnan-17-ol; 5β-Pregnane-3α,17α,20α-triol, (3,20-O)-diTMSi; 5β-pregnane-3α,17α,20β-triol, 3,20-bis-TMS
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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 |
|---|---|---|---|---|---|
| Packed | OV-1 | 230. | 2920. | Quilliam and Westmore, 1978 | Gas Chrom Q; Column length: 1. m |
| Packed | OV-1 | 260. | 2954. | Quilliam and Westmore, 1978 | Gas Chrom Q; Column length: 1. m |
| Packed | OV-1 | 250. | 2890. | Baillie, Brooks, et al., 1972 | N2, Gas Chrom Q (100-120 mesh); Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 2988.6 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
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.
Quilliam and Westmore, 1978
Quilliam, M.A.; Westmore, J.B.,
Sterically crowded trialkylsilyl derivatives for chromatography and mass spectrometry of biologically-important compounds,
Anal. Chem., 1978, 50, 1, 59-68, https://doi.org/10.1021/ac50023a020
. [all data]
Baillie, Brooks, et al., 1972
Baillie, T.A.; Brooks, C.J.W.; Middleditch, B.S.,
Comparison of Corticosteroid Derivatives by Gas-Chromatography-Mass Spectrometry,
Anal. Chem., 1972, 44, 1, 30-37, https://doi.org/10.1021/ac60309a016
. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]
Notes
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