Pregn-5-ene-3,20-diol, (3β,20S)-, 2TMS derivative
- Formula: C27H50O2Si2
- Molecular weight: 462.8557
- IUPAC Standard InChI: InChI=1S/C27H50O2Si2/c1-19(28-30(4,5)6)23-12-13-24-22-11-10-20-18-21(29-31(7,8)9)14-16-26(20,2)25(22)15-17-27(23,24)3/h10,19,21-25H,11-18H2,1-9H3/t19-,21-,22-,23+,24-,25-,26-,27+/m1/s1
- IUPAC Standard InChIKey: PXQKWIROLXRMAD-WMLRFPDFSA-N
- CAS Registry Number: 13110-77-5
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Silane, [[(3β,20S)-pregn-5-ene-3,20-diyl]bis(oxy)]bis[trimethyl-; Silane, (pregn-5-en-3β,20α-ylenedioxy)bis[trimethyl-; Pregnane, trimethylsilane deriv.; bis-3β,20α-Trimethylsilyloxy-5-pregnene; 3,20-Bis[(trimethylsilyl)oxy]pregn-5-ene, (3β,20α)-; 5-Pregnen-3β,20α-diol, bis-TMS; 5-Pregnen-3-β,20-α-diol, TMS
- Information on this page:
- Other data available:
- Options:
Gas Chromatography
Go To: Top, 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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | OV-101 | 207. | 2831. | Berthou, Picart, et al., 1976 | Column length: 2.1 m |
| Capillary | OV-101 | 252. | 2855. | Berthou, Picart, et al., 1976 | Column length: 55. m; Column diameter: 0.37 mm |
| Capillary | OV-101 | 252. | 2855. | Berthou, Picart, et al., 1976 | Column length: 55. m; Column diameter: 0.37 mm |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 2831. | Harvey, 1977 | N2, Gas Chrom Q, 2. K/min; Column length: 2.0 m; Tstart: 150. C; Tend: 290. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Methyl Silicone | 2828. | Meng and Sjövall, 1997 | 25. m/0.32 mm/0.25 μm; Program: 60 0C 30 K/min -> 210 0C (1.5 min) 2.5 K/min -> 320 0C (20 min) |
| Capillary | Polydimethyl siloxane | 2874. | Vandenheuvel, 1975 | 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.
Berthou, Picart, et al., 1976
Berthou, F.; Picart, D.; Bardou, L.; Floch, H.H.,
Separation of C19 and C21 dihydroxysteroids by open-hole tubular glass columns and lipophilic gel chromatography,
J. Chromatogr., 1976, 118, 2, 135-155, https://doi.org/10.1016/S0021-9673(00)81203-0
. [all data]
Harvey, 1977
Harvey, D.J.,
Allyldimethylsilyl ethers as derivatives for the characterization of steroids and cannabinoids by combined gas chromatography and mass spectrometry,
Biomed. Mass Spectrom., 1977, 4, 4, 265-274, https://doi.org/10.1002/bms.1200040414
. [all data]
Meng and Sjövall, 1997
Meng, L.-J.; Sjövall, J.,
Method for combined analysis of profiles of conjugated progesterone metabolites and bile acids in serum and urine of pregnant women,
J. Chromatogr. B, 1997, 688, 1, 11-26, https://doi.org/10.1016/S0378-4347(97)88051-6
. [all data]
Vandenheuvel, 1975
Vandenheuvel, F.A.,
Gas-liquid chromatographic studies of reactions and structural relationships of steroids,
J. Chromatogr., 1975, 103, 1, 113-134, https://doi.org/10.1016/S0021-9673(00)83806-6
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.