Pregnan-20-one, 3,11,21-tris[(trimethylsilyl)oxy]-, (3α,5β,11β)-
- Formula: C30H58O4Si3
- Molecular weight: 567.0356
- IUPAC Standard InChI: InChI=1S/C30H58O4Si3/c1-29-17-16-22(33-36(6,7)8)18-21(29)12-13-23-24-14-15-25(26(31)20-32-35(3,4)5)30(24,2)19-27(28(23)29)34-37(9,10)11/h21-25,27-28H,12-20H2,1-11H3/t21-,22-,23+,24+,25-,27+,28-,29+,30+/m0/s1
- IUPAC Standard InChIKey: UNLCXDYGUPZCQD-JOQFUENTSA-N
- CAS Registry Number: 56196-42-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 3,11,21-Tris[(trimethylsilyl)oxy]pregnan-20-one-, (3α,5β,11β)-; Tetrahydrocorticosterone, (3TMS); Tetrahydrocorticosterone, tris-TMS; Tetrahydrocorticosterone enol-TMS; Tetrahydrocorticosterone, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 3177. | Ludwig-Koehn and Henning, 1986 | 30. m/0.25 mm/0.25 μm, H2, 2. K/min; Tstart: 120. C; Tend: 280. C |
| Capillary | SE-30 | 3190. | Ludwig-Köhn, Sziedat, et al., 1980 | He, 2. K/min; Column length: 20. m; Tstart: 150. C; Tend: 295. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | OV-1 | 3156. | Chambaz, Defaye, et al., 1973 | Gas Chrom P; Column length: 2. m; Program: not specified |
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.
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]
Ludwig-Köhn, Sziedat, et al., 1980
Ludwig-Köhn, H.; Sziedat, A.; Spiteller, G.; Matthaei, D.; Henning, H.V.; Scheler, F.,
Occurrence of highly oxygen-substituted androgens in hemofiltrates of uremic patients,
Biomed. Mass Spectrom., 1980, 7, 7, 284-287, https://doi.org/10.1002/bms.1200070704
. [all data]
Chambaz, Defaye, et al., 1973
Chambaz, E.M.; Defaye, G.; Madani, C.,
Trimethyl silyl ether-enol-trimethyl silyl ether - A new type derivative for the gas phase study of hormonal steroids,
Anal. Chem., 1973, 45, 7, 1090-1098, https://doi.org/10.1021/ac60329a035
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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