Description

Methyl 5α-Cholestan-3β-Yl Ether CAS NO 1981-90-4 is a high-purity steroidal ether derivative, serving as a critical intermediate in advanced organic synthesis and pharmaceutical research. Its defined molecular structure provides a valuable scaffold for developing novel bioactive compounds and fine-tuning steroidal properties. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers focused on steroid chemistry, drug discovery, and the synthesis of specialized reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used as a reference standard and a starting material in academic and industrial research exploring steroid metabolism and receptor interactions.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex organic molecules requiring a protected or modified sterol backbone.
• Biochemical Studies: Utilized in studies investigating lipid membrane properties, cholesterol analogs, and biochemical pathways.
• Material Science: Potential precursor for creating specialized sterol-based materials and liquid crystals.

Basic Information

Product Name	Methyl 5α-Cholestan-3β-Yl Ether
CAS No.	1981-90-4
Molecular Formula	C28H50O
Molecular Weight	402.70 g/mol
Synonyms	3β-Methoxy-5α-cholestane; 5α-Cholestan-3β-ol methyl ether; Methyl 3β-hydroxy-5α-cholestanyl ether; Methyl 5α-cholestan-3β-yl ether; Cholestane, 3-methoxy-, (3β,5α)-; (3β)-3-Methoxy-5α-cholestane; NSC 86438
EINECS	217-851-8

Quality Control

Our Methyl 5α-Cholestan-3β-Yl Ether is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for research and regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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

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