Description

Cholest-5-En-23-Yn-3β-Ol CAS NO 63015-91-8 is a high-purity steroidal alkyne derivative, a key advanced intermediate in organic synthesis. This compound is valued for its unique molecular scaffold, enabling the construction of complex molecules for research and development. It is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers for the synthesis of novel therapeutic agents and bioactive compounds.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a precursor or probe in metabolic pathway studies and receptor binding assays.
• Fine Chemical Synthesis: Serves as a versatile intermediate for creating specialized steroidal compounds with modified biological activity.
• Academic & Industrial R&D: Employed in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Reference Standard: Utilized as an analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	Cholest-5-En-23-Yn-3β-Ol
CAS No.	63015-91-8
Molecular Formula	C₂₇H₄₂O
Molecular Weight	382.63 g/mol
Synonyms	23-Ethynyl-3β-hydroxycholest-5-ene; 23-Ethynylcholesterol; 3β-Hydroxy-23-ethynylcholest-5-ene; Cholest-5-en-23-yn-3-ol, (3β)-; 23-Ethynyl-5-cholesten-3β-ol; 23-Yne-cholesterol; (3β)-Cholest-5-en-23-yn-3-ol
EINECS	Contact for details

Quality Control

Our Cholest-5-En-23-Yn-3β-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance protocols.

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). This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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