20(S)-Hydroxycholesterol

20α-羟基胆固醇

Also known as: 20α-Hydroxycholesterol, Cholest-5-ene-3,20-diol, (3β,20S)-, 20-Hydroxycholesterol, 5-Cholestene-3β,20α-diol, (20S)-Cholest-5-ene-3,20-diol, 20alpha-Hydroxycholesterol, 20ALPHA-HYDROXYCHOLESTEROL, (3S,8S,9S,10R,13S,14S,17S)-17-((S)-2-hydroxy-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol, Cholesterol Impurity 32

20(S)-Hydroxycholesterol (CAS 516-72-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C27H46O2 and a molecular weight of 402.65 g/mol. It is also known as 20α-Hydroxycholesterol, Cholest-5-ene-3,20-diol, (3β,20S)- and 20-Hydroxycholesterol. Key properties include a melting point of 136-137ºC, a boiling point of 512.3ºC at 760mmHg, a density of 1.03g/cm3 and a flash point of 213.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 516-72-3
Jingsj CID: J-1976378-1
Molecular Formula: C₂₇H₄₆O₂
Chinese Name: 20α-羟基胆固醇
Molecular Weight: 402.65 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	136-137ºC
Boiling Point	512.3ºC at 760mmHg
Density	1.03g/cm3
Flash Point	213.1ºC

Frequently Asked Questions

What is the CAS number of 20(S)-Hydroxycholesterol?

The CAS number of 20(S)-Hydroxycholesterol is 516-72-3.

What are the molecular formula and molecular weight of 20(S)-Hydroxycholesterol?

20(S)-Hydroxycholesterol has molecular formula C27H46O2 and molecular weight 402.65 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. "20(S)-Hydroxycholesterol (CAS 516-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976378-1 (accessed 2026-10-22).

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