5β-Pregnane, 3α,11β,17,20α,21-pentakis(trimethylsiloxy)-
- Formula: C36H76O5Si5
- Molecular weight: 729.4131
- IUPAC Standard InChI: InChI=1S/C36H76O5Si5/c1-34-22-20-28(38-43(6,7)8)24-27(34)18-19-29-30-21-23-36(41-46(15,16)17,32(40-45(12,13)14)26-37-42(3,4)5)35(30,2)25-31(33(29)34)39-44(9,10)11/h27-33H,18-26H2,1-17H3/t27-,28-,29+,30+,31+,32-,33?,34+,35+,36+/m0/s1
- IUPAC Standard InChIKey: DUBRZSYNDDSLBA-CCWYXXQQSA-N
- CAS Registry Number: 32213-62-0
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Silane, (5β-pregnane-3α,11β,17,20α,21-pentaylpentaoxy)pentakis[trimethyl-; 3,11,17,20,21-pentakis[(Trimethylsilyl)oxy]pregnane, (3α,5β,11β,20α)-; Cortol, (pentakis-TMS)-; A-Cortol, MO TMS; A-Cortol, TMS
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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 | CHARLES C.SWEELEY,MICHIGAN STATE UNIV.EAST LANSING,MICH |
| NIST MS number | 25695 |
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 | 3108. | Ludwig-Koehn and Henning, 1986 | 30. m/0.25 mm/0.25 μm, H2, 2. K/min; Tstart: 120. C; Tend: 280. C |
| Packed | OV-101 | 3150. | Hurter and van Ree, 1979 | Gas-Chrom P (80-100 mesh), 1. K/min; Column length: 3.6 m; Tstart: 180. C |
| Packed | SE-30 | 3122. | Hurter and van Ree, 1979 | Gas-Chrom P (80-100 mesh), 1. K/min; Column length: 3.6 m; Tstart: 180. C |
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.
Ludwig-Koehn and Henning, 1986
Ludwig-Koehn, H.; Henning, H.V.,
Some aspects of quantification of neutral steroid metabolites in body fluids of healthy and uremic subjects by capillary gas chromatography,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 1, 35-38, https://doi.org/10.1002/jhrc.1240090106
. [all data]
Hurter and van Ree, 1979
Hurter, P.; van Ree, T.,
Programmed-Temperature Gas Chromatography on Mixed Phases. Separation of Steroid Derivatives on Binary Mixtures,
J. Chromatogr., 1979, 169, 93-100, https://doi.org/10.1016/0021-9673(75)85034-5
. [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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