Description

Cholesta-5,20(22)-Dien-3β-Ol is a high-purity sterol derivative, a key intermediate in the synthesis of complex bioactive molecules. Its defined structure and high purity are critical for ensuring the consistency and efficacy of downstream pharmaceutical and research applications. This compound is essential for R&D chemists and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors, particularly those developing steroid-based therapeutics, reference standards, and advanced chemical probes.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a precursor or standard in metabolic pathway studies, enzyme inhibition assays, and receptor binding research.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex natural products and specialized organic compounds.
• Nutraceutical Development: Investigated as an intermediate for advanced sterol-based nutritional supplements.

Basic Information

Product Name	Cholesta-5,20(22)-Dien-3β-Ol
CAS No.	21903-21-9
Molecular Formula	C₂₇H₄₄O
Molecular Weight	384.64 g/mol
Synonyms	5,20(22)-Cholestadien-3β-ol; (3β)-Cholesta-5,20(22)-dien-3-ol; 3β-Hydroxycholesta-5,20(22)-diene; NSC 72178; 20(22)-Dehydrocholesterol; δ⁵,²⁰(²²)-Cholestadien-3β-ol
EINECS	Contact for details

Quality Control

Our Cholesta-5,20(22)-Dien-3β-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or cGMP guidelines for intermediate use.

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. 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
Purity (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.