Description

24-Ethyl-5Beta(H)-Cholestan-3Beta-Ol is a high-purity sterol derivative, a key intermediate in the synthesis of complex bioactive molecules. Its defined stereochemistry and structural framework make it a valuable building block for pharmaceutical research and fine chemical manufacturing. This compound is essential for researchers and manufacturers in the pharmaceutical, nutraceutical, and advanced materials sectors requiring precise steroidal precursors.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and hormone analogs.
• Biochemical Research: Used as a standard or reagent in metabolic pathway studies, membrane fluidity research, and sterol biosynthesis investigations.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Fine Chemical Synthesis: Employed as a specialized building block for creating novel sterol derivatives with potential biological activity.
• Nutraceutical Development: Investigated for use in the development of advanced plant sterol and stanols formulations.

Basic Information

Product Name	24-Ethyl-5Beta(H)-Cholestan-3Beta-Ol
CAS No.	4736-91-8
Molecular Formula	C₂₉H₅₂O
Molecular Weight	416.73 g/mol
Synonyms	24-Ethylcholestanol; 24-Ethyl-5β-cholestan-3β-ol; 5β-Stigmastan-3β-ol; Dihydro-β-sitosterol; Fucosterol, reduced; 24-Ethyl-5β-cholestanol; Stigmastanol (often refers to 5α-isomer, but 5β is a related derivative)
EINECS	225-231-8

Quality Control

Our 24-Ethyl-5Beta(H)-Cholestan-3Beta-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and specific tests for residual solvents and related impurities. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability 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 controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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