Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))-

Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))- (CAS 198209-83-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C46H68O10Si and a molecular weight of 809.1 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 198209-83-5
Jingsj CID: J-1628949-9
Molecular Formula: C₄₆H₆₈O₁₀Si
Molecular Weight: 809.1 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))-?

The CAS number of Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))- is 198209-83-5.

What are the molecular formula and molecular weight of Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))-?

Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))- has molecular formula C46H68O10Si and molecular weight 809.1 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Pregnan-20-one, 3-[(16,16-dimethyl-1-oxo-15,15-diphenyl-2,5,8,11,14-pentaoxa-15-silaheptadec-1-yl)oxy]-17,21-dihydroxy-, (3I+/-,5I(2))- (CAS 198209-83-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1628949-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.