Description

Cholestan-3-Ol, 4-Methyl-, (3Beta,4Alpha,5Alpha)- is a high-purity sterol derivative, specifically a methylated cholestanol isomer. This compound serves as a critical reference standard and advanced pharmaceutical intermediate for research and development in the life sciences. It is essential for laboratories and manufacturers engaged in steroid chemistry, metabolic pathway studies, and the synthesis of complex bioactive molecules. The product is supplied with full traceability and documentation to meet the stringent demands of modern chemical and pharmaceutical applications.

Application

• Pharmaceutical Reference Standard: Used for the calibration of analytical instruments (HPLC, GC-MS) and method validation in quality control laboratories.
• Biochemical Research: Acts as a key intermediate or probe in the study of cholesterol biosynthesis, metabolism, and related enzymatic pathways.
• Organic Synthesis: Serves as a chiral building block for the synthesis of more complex steroidal drugs, hormones, or labeled compounds.
• Academic & Industrial R&D: Utilized in discovery chemistry for developing new therapeutic agents targeting lipid-related disorders.
• Analytical Chemistry: Employed as a known compound for comparative analysis in the identification of sterol mixtures from natural sources.

Basic Information

Item	Detail
Product Name	Cholestan-3-Ol, 4-Methyl-, (3Beta,4Alpha,5Alpha)-
CAS No.	3903-57-9
Molecular Formula	C28H50O
Molecular Weight	402.70 g/mol
Synonyms	4α-Methyl-5α-cholestan-3β-ol; 4-Methylcholestanol; Dihydro-4-methylcitrostadienol; (3β,4α,5α)-4-Methylcholestan-3-ol; 5α-Cholestan-3β-ol, 4α-methyl-; NSC 6135; 4-Methyl-5α-cholestan-3β-ol
EINECS	Contact for details

Quality Control

Our Cholestan-3-Ol, 4-Methyl-, (3Beta,4Alpha,5Alpha)- is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing including HPLC, GC, and spectroscopic methods (NMR, IR) to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure full transparency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Specification available upon request
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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