(8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one

(8R,9S,10R,13S,14S)-3-乙氧基-13-甲基-16-亚甲基-7,8,9,10,11,12,13,14,15,16-十氢-1H-环戊[a]菲-17(2H)-酮

(8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one (CAS 4290-66-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H28O2 and a molecular weight of 312.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4290-66-8
Jingsj CID: J-187131-1
Molecular Formula: C₂₁H₂₈O₂
Chinese Name: (8R,9S,10R,13S,14S)-3-乙氧基-13-甲基-16-亚甲基-7,8,9,10,11,12,13,14,15,16-十氢-1H-环戊[a]菲-17(2H)-酮
Molecular Weight: 312.4 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one?

The CAS number of (8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one is 4290-66-8.

What are the molecular formula and molecular weight of (8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one?

(8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one has molecular formula C21H28O2 and molecular weight 312.4 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. "(8R,9S,10R,13S,14S)-3-Ethoxy-13-methyl-16-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one (CAS 4290-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-187131-1 (accessed 2026-10-25).

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