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Cholesteryl acetate

CAS No.
604-35-3
Chemical Name:
Cholesteryl acetate
Synonyms
Chol;CHOLESTEROL ACETATE;Chloesteryl acetate;ACETYL CHOLESTEROL;CHOLESTERYL ACETATE;Cholesterin acetate;Cholesterol 3-Acetate;Cholesterol 3β-Acetate;Perampanel Impurity 40;3β-acetoxy-5-cholestene
CBNumber:
CB1346745
Molecular Formula:
C29H48O2
Molecular Weight:
428.69
MDL Number:
MFCD00003636
MOL File:
604-35-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:33:43
Product description Number Pack Size Price
Cholesteryl acetate 97% 151114 25g $129
Cholesteryl acetate 97% 151114 100g $361
Cholesteryl Acetate ≥95% 30816 5g $63
Cholesteryl Acetate ≥95% 30816 10g $110
Cholesterol 3-Acetate TRC-C432505-1G 1g $66
More product size

Cholesteryl acetate Properties

Melting point 112-114 °C (lit.)
alpha -44 º (c=2, CHCl3)
Boiling point 483.49°C (rough estimate)
Density 0.9935 (rough estimate)
refractive index 1.5045 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility insoluble
form Solid
color White to Off-White
optical activity [α]24/D 44°, c = 2 in chloroform
Water Solubility insoluble
Merck 14,2201
BRN 2064235
Stability Hygroscopic
Cosmetics Ingredients Functions SKIN CONDITIONING
VISCOSITY CONTROLLING
InChIKey XUGISPSHIFXEHZ-VEVYEIKRSA-N
SMILES CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@H](CC[C@]4(C)[C@H]3CC[C@]12C)OC(C)=O
LogP 10.542 (est)
CAS DataBase Reference 604-35-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII OTA9A3781T
NIST Chemistry Reference Cholesteryl acetate(604-35-3)
EPA Substance Registry System Cholest-5-en-3-ol (3.beta.)-, acetate (604-35-3)
UNSPSC Code 12352103
NACRES NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  22-24/25-36-26
WGK Germany  3
TSCA  TSCA listed
Storage Class 11 - Combustible Solids
REACH Registrations Active
NFPA 704
1
0 0

Cholesteryl acetate price More Price(44)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 151114 Cholesteryl acetate 97% 604-35-3 25g $129 2026-04-30 Buy
Sigma-Aldrich 151114 Cholesteryl acetate 97% 604-35-3 100g $361 2026-04-30 Buy
Cayman Chemical 30816 Cholesteryl Acetate ≥95% 604-35-3 5g $63 2026-04-30 Buy
Cayman Chemical 30816 Cholesteryl Acetate ≥95% 604-35-3 10g $110 2026-04-30 Buy
TRC TRC-C432505-1G Cholesterol 3-Acetate 604-35-3 1g $66 2026-06-03 Buy
Product number Packaging Price Buy
151114 25g $129 Buy
151114 100g $361 Buy
30816 5g $63 Buy
30816 10g $110 Buy
TRC-C432505-1G 1g $66 Buy

Cholesteryl acetate Chemical Properties,Uses,Production

Chemical Properties

white fine crystalline powder or needles

Uses

Cholesteryl acetate is derived from cholesterol, which is a major component of all biological membranes. Approximately 25% of total brain lipid is made up of cholesterol, which is the principal sterol of higher animals. Cholesterol is found in all body tissues, with particularly high concentrations in the brain, spinal cord, and animal fats or oils. Additionally, cholesterol is the main constituent of gallstones.

Uses

Cholesteryl acetate is used in cosmetics, wrist watches, thermometers, propane tank volume indicators, video displays, pharmaceuticals.

Preparation

Cholesteryl acetate can be synthesized by the reaction of cholesterol with acetic anhydride in the presence of a catalyst such as pyridine or sulfuric acid. The reaction proceeds as follows:
Cholesterol + Acetic anhydride → Cholesteryl acetate + Acetic acid
The reaction is typically carried out at room temperature or slightly elevated temperatures for several hours. The resulting cholesteryl acetate can be purified by recrystallization from a suitable solvent such as ethanol or acetone.

Definition

ChEBI: Cholesteryl acetate is a cholesterol ester obtained by formal acylation of the hydroxy group of cholesterol by acetic acid. It has a role as a human metabolite. It is a cholesteryl ester and an acetate ester.

Reactions

Monophthalic acid epoxidation of cholesteryl acetate:
A solution of 10 g (0.023 mole) of cholesteryl acetate (mp 112-114°) in ether (50 ml) is mixed with a solution containing 8.4 g (0.046 mole) of monophthalic acid (Chap. 17, Sec. II) in 250 ml of ether. The solution is kept at reflux for 6 hours and then the solvent is removed by distillation (steam bath). The residue is dried under vacuum and digested with 250 ml of dry chloroform. The mixture was filtered to give 6.7 g of phthalic acid (87% recovery). The solvent in the filtrate was evaporated under reduced pressure and the residue was crystallised from 30 ml of methanol to give 6.0 g (58% yield) of β-oxocholesterol acetate. Recrystallisation gives the pure product, melting point 111-112°. Concentration of the filtrate gives 1.55 g (15 per cent yield) of α-oxocholesterol acetate with a melting point of 101-103° after crystallisation from ethanol.
Cholesteryl acetate Reaction

Purification Methods

Crystallise the acetate from n-pentanol or Me2CO. Also purify it by chromatography through silica gel and eluting with MeOH. [Beilstein 6 III 2607, 6 IV 4004.]

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View Lastest Price from Cholesteryl acetate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Plant-origin Cholesterol Acetate pictures 2026-07-09 Plant-origin Cholesterol Acetate
604-35-3
500g 99% 10 kg Changsha YuTeng New Materials Co., Ltd.
Cholesteryl Acetate pictures 2026-05-11 Cholesteryl Acetate
604-35-3
$30.00-60.00 99.94% 10g TargetMol Chemicals Inc.
Plant-origin Cholesterol Acetate pictures 2026-03-27 Plant-origin Cholesterol Acetate
604-35-3
1kg NA 500kg AFINE CHEMICALS LIMITED
3-BETA-HYDROXY-5-CHOLESTENE 3-ACETATE 3BETA-ACETOXY-5-CHOLESTENE CHOLESTERYL ACETATE (3beta)-Cholest-5-en-3-ol acetate 5-CHOLESTEN-3BETA-OL 3-ACETATE 5-CHOLESTEN-3-BETA-OL ACETATE 5-CHOLESTEN-3B-OL 3-ACETATE ACETYL CHOLESTEROL ACETIC ACID CHOLESTEROL ESTER ACETIC ACID (3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-DIMETHYL-HEXYL)-10,13-DIMETHYL-2,3,4,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-1H-CYCLOPENTA[A]PHENANTHREN-3-YL ESTER (3β)-cholest-5-en-3-ylethanoate 3beta-Acetoxycholest-5-ene 3β-acetoxy-5-cholestene 5-Cholesten-3B-ol, acetate Cholest-5-en-3beta-ol acetate Cholest-5-en-3beta-yl acetate Cholest-5-en-3-ol (3beta)-, acetate Cholest-5-en-3-ol(3.beta.)-,acetate CHOLESTERYL ACETATE extrapure 3β-Acetoxy-5-cholestene, 3β-Hydroxy-5-cholestene 3-acetate, 5-Cholesten-3β-ol 3-acetate (3β)-3-Cholesteryl=acetate 3β-Acetoxy-5(6)-cholestene Acetic acid cholest-5-en-3β-yl ester Cholesteryl acetate,3β-Acetoxy-5-cholestene, 3β-Hydroxy-5-cholestene 3-acetate, 5-Cholesten-3β-ol 3-acetate Cholesterol Acetate (C2) (3β)-Cholest-5-en-3-ol Acetate Cholesterol 3-Acetate Cholesterol 3β-Acetate Acetic Acid Cholesterol Ester Acetyl Cholesterol 3b-Acetoxycholest-5-ene Acetic acid cholesteryl ester CHOLESTERYL ACETATE(REAGENT / STANDARD GRADE) Cholesteryl acetate, 97+% 3-(-)-Cholesteryl acetate 3β-Acetoxycholest-5-ene Cholest-5-en-3β-ol acetate CHOLESTERYL ACETATE (CHOLESTEROL ACETATE) cholest-5-en-3-ol(3β)-,acetate Cholest-5-en-3-yl acetate Cholesterin acetate 3β-Hydroxy-5-cholestene 3-acetate 5-Cholesten-3β-ol 3-acetate [(3S,8S,9S,10R,13R,14S,17R)-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]phenanthren-3-yl] acetate CHOLESTERYL ACETATE(RG) 5-Cholesten-3beta-Ol 3-Acetat CHOLESTERYL ACETATE 97% Cholesterol Acetate > Cholest-5-en-3-ol (3β)-, 3-acetate 9a,11a-dimethyl-1-(6-methylheptan-2-yl)-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl acetate [(10R,13R)-10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate (-)-Cholesteryl acetate (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate Plant-origin Cholesterol Acetate 5-CHOLESTEN-3β-OL ACETATE Cholesterol Acetate, ≥ 95.0% Perampanel Impurity 40 Cholest-5-en-3-β-yl acetate (3beta)-Cholest-5-en-3-yl acetate