(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one

(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one (CAS 20708-80-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H26O2 and a molecular weight of 274.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20708-80-9
Jingsj CID: J-1540124-7
Molecular Formula: C₁₈H₂₆O₂
Molecular Weight: 274.4 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one?

The CAS number of (1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one is 20708-80-9.

What are the molecular formula and molecular weight of (1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one?

(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one has molecular formula C18H26O2 and molecular weight 274.4 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. "(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one (CAS 20708-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1540124-7 (accessed 2026-10-24).

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