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Cholesteryl chloride

Cholesteryl chloride[1]
IUPAC name (3S,8S,9S,10R,13R,14S,17R)-3-Chloro-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene
Other names 3-Chlorocholest-5-ene
CAS number 910-31-6
PubChem 92850
SMILES C[C@H](CCCC(C)C)[C@H]4CC[C@@]3([H])[C@]2([H])CC=C1C[C@@H](Cl)CC[C@@](C)1[C@]([H])2CC[C@@]34C
Molecular formula C27H45Cl
Molar mass 405.10
Melting point

94-96 °C

S-phrases S22 S24/25
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Cholesteryl chloride, also called 3-chlorocholest-5-ene or 3β-chlorocholest-5-ene, is an organic chemical, an organochloride derivate cholesterol. It is a liquid crystal material forming clockwise cholesteric liquid crystals. It is a transparent liquid, or a soft crystalline material with melting point around 94-96 °C.

It can be used with cholesteryl nonanoate, cholesteryl benzoate, and/or cholesteryl oleyl carbonate in some thermochromic liquid crystals.

It is used in some hair colors, make-ups, and some other cosmetic preparations.[2]

It can be also used as a component of the liquid crystals used for liquid crystal displays.


  1. ^ Cholesteryl chloride at Sigma-Aldrich
  2. ^ Household Chemicals Database
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cholesteryl_chloride". A list of authors is available in Wikipedia.
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