Description

(18α,19α)-16-Hydroxyurs-20-En-3-One CAS NO 66394-73-8 is a high-purity pentacyclic triterpenoid derivative, specifically a hydroxy-ursene derivative. This compound is valued for its role as a critical intermediate in advanced pharmaceutical synthesis and as a reference standard for analytical research. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors for developing novel therapeutic agents and conducting quality control analysis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel triterpenoid-based drugs targeting inflammation, metabolic disorders, and oncology.
• Reference Standard: Used as a high-purity analytical standard in HPLC, LC-MS, and NMR for the identification and quantification of ursane-type compounds in complex matrices.
• Biochemical Research: Employed in academic and industrial R&D to study structure-activity relationships (SAR) and biological pathways of triterpenoids.
• Natural Product Isolation & Analysis: Serves as a benchmark compound for the isolation, purification, and characterization of similar triterpenes from botanical sources.
• Nutraceutical Development: Investigated as a potential active ingredient or a precursor for enhanced bioavailability formulations in dietary supplements.

Basic Information

Product Name	(18α,19α)-16-Hydroxyurs-20-En-3-One
CAS No.	66394-73-8
Molecular Formula	C30H48O2
Molecular Weight	440.71 g/mol
Synonyms	16-Hydroxyurs-20-en-3-one; Urs-20-ene-3,16-diol, 3-one; (18α,19α)-16-Hydroxyurs-20-en-3-one; 3-Oxours-20-ene-16α-ol; 16α-Hydroxy-3-oxours-20-ene; Ursane-3,16-dione derivative
EINECS	Contact for details

Quality Control

Our (18α,19α)-16-Hydroxyurs-20-En-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS). We provide Certificates of Analysis (COA) with detailed specifications to ensure the material meets the stringent requirements for research and synthesis. Custom purity grades, including pharmaceutical reference standards, are available upon request.

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). The compound should be kept under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.