[[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane]

阿尔法骨化醇中间体

Also known as: Alfacalcidol Impurity 7, Alfacalcidol Impurity 11, Alfacalcidol Impurity 6, 1,3-bi-TBS-trans-Alfacalcidol, Alpha calcitriol intermediate, ((1R,3S,E)-5-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)dihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldimethylsilane), (1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]-1-[(1R)-1,5-dimethylhexyl]octahydro-7a-methyl-1H-indene, [[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane]

[[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane] (CAS 112670-85-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C39H72O2Si2 and a molecular weight of 629.159 g/mol. It is also known as Alfacalcidol Impurity 7, Alfacalcidol Impurity 11 and Alfacalcidol Impurity 6. Key properties include a boiling point of 598.8±50.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 270.2±30.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 112670-85-6
Jingsj CID: J-1438221-1
Molecular Formula: C₃₉H₇₂O₂Si₂
Chinese Name: 阿尔法骨化醇中间体
Molecular Weight: 629.159 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	598.8±50.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	270.2±30.5 °C

Frequently Asked Questions

What is the CAS number of [[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane]?

The CAS number of [[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane] is 112670-85-6.

What are the molecular formula and molecular weight of [[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane]?

[[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane] has molecular formula C39H72O2Si2 and molecular weight 629.159 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. "[[(1a,3b,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethylsilane] (CAS 112670-85-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438221-1 (accessed 2026-10-25).

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