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Cholestan-3-Ol, 4-Methyl-, (3Alpha,4Alpha,5Alpha)- CAS NO 20997-67-5
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CAS No.:20997-67-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Cholestan-3-Ol, 4-Methyl-, (3Alpha,4Alpha,5Alpha)- is a high-purity sterol derivative of significant interest in advanced chemical synthesis and research. This compound serves as a crucial intermediate and reference standard for developing pharmaceuticals, particularly in the study of cholesterol metabolism and related biochemical pathways. It is primarily utilized by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers requiring precise, high-quality building blocks for complex organic synthesis.
Application
- Pharmaceutical Intermediate: A key chiral building block in the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
- Biochemical Research: Used as a reference standard and probe in metabolic studies, enzyme inhibition assays, and investigations into lipid biochemistry and membrane function.
- Fine Chemical Synthesis: Serves as a precursor for the production of specialized sterols, hormones, and other high-value organic compounds in custom synthesis projects.
- Analytical Standard: Employed in chromatography (HPLC, GC) for method development, calibration, and quality control testing in analytical laboratories.
- Material Science Research: Investigated for potential applications in the development of advanced liquid crystals and functional organic materials.
Basic Information
| Product Name | Cholestan-3-Ol, 4-Methyl-, (3Alpha,4Alpha,5Alpha)- |
| CAS No. | 20997-67-5 |
| Molecular Formula | C28H50O |
| Molecular Weight | 402.70 g/mol |
| Synonyms | 4α-Methyl-5α-cholestan-3β-ol; 5α-Cholestan-3β-ol, 4α-methyl-; 4-Methylcholestanol; Dihydro-4-methylcholesterol; (3β,4α,5α)-4-Methylcholestan-3-ol; 4α-Methyldihydrocholesterol; NSC 163045 |
| EINECS | Contact for details |
Quality Control
Our Cholestan-3-Ol, 4-Methyl-, (3Alpha,4Alpha,5Alpha)- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing the specific results for your quality assurance records.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container sealed to prevent contamination and moisture absorption.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Melting Point | Specification available upon request |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | < 10 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






