Description

Beta Alpha Alpha 20R 24R-Ethylcholestane is a high-purity, synthetic steroidal compound used as a critical intermediate and reference standard in advanced chemical synthesis. This compound is valued for its defined stereochemistry and consistent quality, which are essential for research and production processes requiring precise molecular structures. It is primarily utilized by the pharmaceutical, biotechnology, and fine chemical industries for applications in drug development, metabolic studies, and the synthesis of complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based therapeutics 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.
• Fine Chemical Synthesis: Serves as a precursor for the production of specialized sterols, hormones, and other high-value chiral compounds.
• Analytical Standard: Employed in analytical laboratories for method development, calibration, and quality control testing via HPLC, GC-MS, or NMR.
• Academic & Industrial R&D: Facilitates exploratory chemistry in universities and corporate R&D centers for developing new materials and bioactive agents.

Basic Information

Product Name	Beta Alpha Alpha 20R 24R-Ethylcholestane
CAS No.	4705-29-7
Molecular Formula	C₂₉H₅₂
Molecular Weight	400.73 g/mol
Synonyms	(20R,24R)-Ethylcholestane; 24-Ethyl-5α-cholestane; 24-Ethylcholestane; Stigmastane; 5α-Stigmastane; (20R,24R)-Stigmastane; 24-Ethyl-5α-cholestane (20R,24R)-form; 5α,20R,24R-Stigmastane
EINECS	Contact for details

Quality Control

Our Beta Alpha Alpha 20R 24R-Ethylcholestane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to relevant industry guidelines, and specifications can be tailored to meet specific research or cGMP requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.

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%
Heavy Metals	≤ 20 ppm

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