3,16,20-Tris[(trimethylsilyl)oxy]-5.alpha-pregnane, (3β,16α,20α)-

• Formula: C₃₀H₆₀O₃Si₃
• Molecular weight: 553.0521
• IUPAC Standard InChI: InChI=1S/C30H60O3Si3/c1-21(31-34(4,5)6)28-27(33-36(10,11)12)20-26-24-14-13-22-19-23(32-35(7,8)9)15-17-29(22,2)25(24)16-18-30(26,28)3/h21-28H,13-20H2,1-12H3/t21-,22-,23-,24+,25-,26-,27+,28-,29-,30-/m1/s1 Copy

  
• IUPAC Standard InChIKey: GKSDWCMXICLASA-IGGZQOSBSA-N Copy
• CAS Registry Number: 33287-36-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Stereoisomers:
  • 5-β-Pregnane-3β, 16α, 20α-triol, MO TMS
  • 5β-Pregnane-3β, 16α, 20β-triol, MO TMS
  • 5-α-Pregnan-3-α-16-α,20-α-triol, TMS
  • Pregnan-3,16,20-triol, MeTMS
  • Pregnan-3,16,20-triol, TMS
• Other names: Silane, (5α-pregnane-3β,16α,20α-triyltrioxy)tris[trimethyl-; 3,16,20-Tris[(trimethylsilyl)oxy]pregnane, (5α,3β,16α,20α)-; 5-α-Pregnan-3β,16α,20α-triol, tris-TMS; 5α-Pregnane-3β,16α,20α-triol, (3TMS); 5α-Pregnane-3β, 16α, 20α--triol, MO TMS; 5-α-Pregnan-3-β,16-α,20-α-triol, MeTMS
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• Information on this page:
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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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, custom temperature program

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Normal alkane RI, non-polar column, custom temperature program

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hähnel, Wilkinson, et al., 1985
Hähnel, E.; Wilkinson, S.P.; Hähnel, R., Urinary steroid profiles in pregnancy by capillary column gas chromatography, Clin. Chim. Acta, 1985, 151, 3, 259-271, https://doi.org/10.1016/0009-8981(85)90089-0 . [all data]

Meng, Reyes, et al., 1997
Meng, L.-J.; Reyes, H.; Palma, J.; Hernandez, I.; Ribalta, J.; Sjövall, J., Profiles of bile acids and progesterone metabolites in the urine and serum of women with intrahepatic cholestasis of pregnancy, J. Hepatol., 1997, 27, 2, 346-357, https://doi.org/10.1016/S0168-8278(97)80181-X . [all data]

Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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