[1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one

Also known as: (1S,3aS,4S,7aS)-4-(2,5-dihydroxyphenethyl)-1-hydroxy-7a-methylhexahydro-1H-inden-5(6H)-one, 1S-(1α,3aβ,4β,7aα)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one, 5H-Inden-5-one, 4-[2-(2,5-dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-, [1S-(1α,3aβ,4β,7aα)]- (9CI), Estradiol Impurity, Estradiol Impurity 1, Estradiol Impurity 2, [1S-(1Alpha,3aBeta,4Beta,7aAlpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one

[1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one (CAS 57780-81-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H24O4 and a molecular weight of 304.4 g/mol. It is also known as (1S,3aS,4S,7aS)-4-(2,5-dihydroxyphenethyl)-1-hydroxy-7a-methylhexahydro-1H-inden-5(6H)-one, 1S-(1α,3aβ,4β,7aα)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one and 5H-Inden-5-one, 4-[2-(2,5-dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-, [1S-(1α,3aβ,4β,7aα)]- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57780-81-1
Jingsj CID
J-875032-5
Molecular Formula
C18H24O4
Molecular Weight
304.4 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of [1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one?

The CAS number of [1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one is 57780-81-1.

What are the molecular formula and molecular weight of [1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one?

[1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one has molecular formula C18H24O4 and molecular weight 304.4 g/mol.

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

Last updated:

How to cite: Jingsj. "[1S-(1alpha,3abeta,4beta,7aalpha)]-4-[2-(2,5-Dihydroxyphenyl)ethyl]octahydro-1-hydroxy-7a-methyl-5H-inden-5-one (CAS 57780-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-875032-5 (accessed 2026-10-24).

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