Description

4,4-Dimethyl-5α-Cholestan-3β-Ol is a high-purity sterol derivative, a key intermediate in the synthesis of complex steroid molecules. Its defined structure and high chemical purity make it an essential building block for research and development in advanced pharmaceutical chemistry. This compound is primarily utilized by R&D laboratories and production facilities in the pharmaceutical and fine chemical industries for the development of novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A critical starting material or intermediate in the multi-step synthesis of novel steroid-based pharmaceuticals and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies, enzyme inhibition assays, and receptor binding research related to sterol function.
• Fine Chemical Synthesis: Serves as a versatile chiral building block for the preparation of specialized steroidal compounds with potential biological activity.
• Analytical Standard: Employed as a high-purity calibration standard in chromatographic analysis (HPLC, GC) for quality control and method development in steroid analysis.
• Material Science Research: Investigated for its potential in creating novel liquid crystal materials or organic semiconductors due to its rigid, planar steroidal core.

Basic Information

Product Name	4,4-Dimethyl-5α-Cholestan-3β-Ol
CAS No.	2550-84-7
Molecular Formula	C₂₉H₅₂O
Molecular Weight	416.73 g/mol
Synonyms	4,4-Dimethylcholestan-3β-ol; 3β-Hydroxy-4,4-dimethyl-5α-cholestane; 4,4-Dimethyl-5α-cholestan-3β-ol; 5α-Cholestan-3β-ol, 4,4-dimethyl-; 4,4-Dimethylcholestanol; 4,4-Dimethyl-5α-cholestanol; 4,4-Dimethyldihydrocholesterol
EINECS	219-851-9

Quality Control

Our 4,4-Dimethyl-5α-Cholestan-3β-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the stringent requirements for research and synthesis applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, identity, and other critical parameters.

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 incompatible materials such as strong oxidizing agents.

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%

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