Description

21-Isopentylcholesterol is a synthetic cholesterol derivative, also known as 21-isopentylcholesterol CAS NO 81919-09-7. This compound is valued for its role as a key intermediate in advanced pharmaceutical synthesis and biochemical research. It is primarily utilized by research institutions and manufacturers in the life sciences sector for developing novel therapeutic agents and conducting metabolic studies.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel steroid-based drugs and therapeutic agents.
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies and lipid membrane research.
• Steroid Chemistry: Serves as a specialized intermediate for modifying the cholesterol backbone to create new analogs with targeted biological activity.
• Material Science: Potential precursor for synthesizing advanced liquid crystal materials or specialty surfactants.
• Cosmetic Ingredient Development: Investigated for use in high-end skincare formulations targeting skin barrier function.

Basic Information

Product Name	21-Isopentylcholesterol
CAS No.	81919-09-7
Molecular Formula	C32H56O
Molecular Weight	456.80 g/mol
Synonyms	21-(3-Methylbutyl)cholest-5-en-3β-ol; 21-Isopentylcholest-5-en-3β-ol; 21-(3-Methylbutyl)cholesterol; 21-Isopentyl-cholest-5-en-3-ol; Cholest-5-en-3-ol, 21-(3-methylbutyl)-, (3β)-; 21-Isopentyl Cholesterol
EINECS	Contact for details

Quality Control

Our 21-Isopentylcholesterol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Specific Rotation	Contact for details
Heavy Metals	< 20 ppm

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