Description

Cholest-5-En-3Beta-Yl p-Ethoxybenzoate is a high-purity sterol derivative, specifically an ester of cholesterol and p-ethoxybenzoic acid. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by pharmaceutical R&D and fine chemical manufacturing sectors for the development of novel therapeutic agents and specialty materials.

Application

• Pharmaceutical Intermediate: Key starting material or precursor in the synthesis of steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for studying cholesterol metabolism, membrane biology, and as a standard in analytical methods.
• Liquid Crystal Synthesis: Serves as a chiral dopant or a core component in the production of advanced liquid crystal materials for displays.
• Cosmetic Ingredient Precursor: Employed in the development of specialized emollients and stabilizers in high-end cosmetic formulations.
• Biochemical Probes: Utilized in the creation of labeled sterols for tracking and imaging studies in biological systems.
• Material Science: Acts as a modifier or additive in the synthesis of polymers and advanced organic materials to impart specific physical properties.

Basic Information

Product Name	Cholest-5-En-3Beta-Yl p-Ethoxybenzoate
CAS No.	41484-50-8
Molecular Formula	C36H54O3
Molecular Weight	534.82 g/mol
Synonyms	Cholesteryl 4-Ethoxybenzoate; 4-Ethoxybenzoic Acid Cholesteryl Ester; Cholest-5-en-3β-yl 4-ethoxybenzoate; 3β-Cholest-5-en-3-yl 4-ethoxybenzoate; p-Ethoxybenzoic Acid Cholesteryl Ester; NSC 83601; Ethylparaben Cholesteryl Ester (related); Benzoic acid, 4-ethoxy-, (3β)-cholest-5-en-3-yl ester
EINECS	Contact for details

Quality Control

Our Cholest-5-En-3Beta-Yl p-Ethoxybenzoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.