Description

(18α,19α)-Urs-20-En-16α-Ol CAS NO 66394-77-2 is a high-purity, pentacyclic triterpenoid compound belonging to the ursane class. This specialized intermediate is valued for its defined stereochemistry and structural framework, which is critical for advanced pharmaceutical research and synthesis. It serves as a key building block for medicinal chemists and R&D professionals in the pharmaceutical, biotechnology, and fine chemical sectors seeking to develop novel therapeutic agents.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral precursor for the synthesis of novel bioactive molecules and drug candidates.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and the development of new therapeutic compounds targeting various diseases.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and compound identification.
• Biochemical Research: Utilized in studies exploring the biological activity and metabolic pathways of triterpenoid compounds.
• Fine Chemical Synthesis: Acts as a sophisticated starting material for the custom synthesis of complex natural product derivatives and specialty chemicals.

Basic Information

Product Name	(18α,19α)-Urs-20-En-16α-Ol
CAS No.	66394-77-2
Molecular Formula	C₃₀H₅₀O
Molecular Weight	426.73 g/mol
Synonyms	16α-Hydroxyurs-20-ene; Urs-20-en-16α-ol; (18α,19α)-Urs-20-en-16α-ol; 16α-Hydroxy-urs-20-ene; Ursane-16α-ol derivative; Triterpenoid alcohol; Pentacyclic triterpene alcohol
EINECS	Contact for details

Quality Control

Our (18α,19α)-Urs-20-En-16α-Ol is manufactured 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 support compliance with cGMP guidelines for pharmaceutical intermediates, and specifications can be aligned with client requirements for research and development purposes.

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 stable under these conditions but should be handled in a manner to minimize prolonged exposure to air and moisture.

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)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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