Description

5,24(28)-Cholestadien-24-Methylen-3Beta-Ol CAS NO 474-63-5 is a high-purity sterol derivative, specifically a methylene-substituted cholestadienol, valued for its role as a critical synthetic intermediate and reference standard in advanced research. Its unique chemical structure makes it a versatile building block for the synthesis of more complex steroid analogs and bioactive molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors who require high-quality, well-characterized intermediates for product development and quality control.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Reference Standard: Used as an analytical standard in HPLC, GC-MS, and NMR for the identification and quantification of sterols in complex matrices.
• Biochemical Research: Employed in metabolic pathway studies, receptor binding assays, and investigations into cholesterol biosynthesis and its regulation.
• Nutraceutical Development: Acts as a starting material for the production of specialized dietary supplements and functional food ingredients.
• Fine Chemical Synthesis: Utilized in organic synthesis to create customized sterol derivatives for material science and specialty chemical applications.
• Academic & Industrial R&D: Supports discovery programs in medicinal chemistry and the development of new chemical entities.

Basic Information

Product Name	5,24(28)-Cholestadien-24-Methylen-3Beta-Ol
CAS No.	474-63-5
Molecular Formula	C₂₈H₄₆O
Molecular Weight	398.67 g/mol
Synonyms	24-Methylenecholesta-5,24(28)-dien-3β-ol; 24-Methylenecholest-5-en-3β-ol; 24-Methylenecholesterol; 24-Methylenelophenol; 24-Methylenelathosterol; 24-Methylene-5-cholesten-3β-ol; Desmosterol isomer; (3β)-24-Methylenecholesta-5,24(28)-dien-3-ol
EINECS	207-476-0

Quality Control

Our 5,24(28)-Cholestadien-24-Methylen-3Beta-Ol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to relevant industry guidelines for analytical testing, ensuring the material is suitable for research and development applications. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.