Cholesteryl acetate

Cholesteryl acetate, also known as CAS 604-35-3, is a cholesterol ester obtained by formal acylation of the hydroxy group of cholesterol by acetic acid. It has a molecular weight of 428.69 and a molecular formula of C29H48O2. It appears as a white solid and has a purity of 98% as tested by HPLC. It is widely used in proteomics research

cholesteryl acetate

Chemical Name:

Cholesteryl acetate



Molecular Fomula:


Formula Weight:


Chemical Uses


Cholesteryl acetate is a cholesterol ester with a molecular weight of 428.69 and a molecular formula of C29H48O2. Cholesteryl acetate is widely used in proteomics research due to its ability to efficiently label peptides and proteins, which makes it easier to track their pathways within the body. Additionally, it can be used in pharmaceuticals, cosmetics and other industries for various purposes such as solubilization, stabilization or improvement of stability parameters.

Chemical Properties:

white solid


The most common application of cholesteryl acetate is peptide labeling for proteomics studies. By attaching this compound to peptides or proteins, scientists can better study the function of these molecules by tracking their pathways in the body. Adding cholesteryl acetate to peptides or proteins helps increase their stability against environmental factors, including heat, light and pH changes. This allows researchers to get more accurate results from experiments involving these molecules.

Cholesteryl acetate is also commonly used in cosmetics and pharmaceuticals as an emulsifier or stabilizer agent because it improves product stability parameters such as viscosity, thermal stability, color retention and shelf life. Furthermore, it can improve drug solubility and bioavailability by decreasing lipophilicity while increasing hydrophilicity.

Chemical Properties

Chemical name:

Cholesteryl acetate

Cas No:


Molecular Formula:


Formula Weight:



White Powder



Storage conditions:

Store at low temperature and avoid light.

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