Description

Cholesta-5,7-Diene-1 Alpha,3 β-Diol is a high-purity sterol derivative, specifically a dihydroxylated diene, serving as a critical intermediate in advanced organic synthesis. This compound is valued for its unique molecular structure, which makes it a versatile building block for the research and development of novel pharmaceutical and biochemical agents. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, life sciences, and fine chemical sectors for applications in steroid chemistry, vitamin D analog synthesis, and metabolic pathway studies.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of vitamin D analogs and other steroidal pharmaceuticals.
• Biochemical Research: Used as a reference standard or probe in studies of cholesterol metabolism and related enzymatic pathways.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex sterol-based molecules in custom synthesis projects.
• Academic & Industrial R&D: Employed in discovery chemistry for developing new therapeutic agents and studying structure-activity relationships (SAR).
• Reference Material: Utilized as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	Cholesta-5,7-Diene-1 Alpha,3 β-Diol
CAS No.	43217-89-6
Molecular Formula	C₂₇H₄₄O₂
Molecular Weight	400.64 g/mol
Synonyms	1α,3β-Dihydroxycholesta-5,7-diene; (1α,3β)-Cholesta-5,7-diene-1,3-diol; 1α,3β-Dihydroxy-5,7-cholestadiene; 5,7-Cholestadiene-1α,3β-diol; Provitamin D4 Diol; 1α,3β-Dihydroxyprovitamin D4
EINECS	Contact for details

Quality Control

Our Cholesta-5,7-Diene-1 Alpha,3 β-Diol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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