Description

(18α,19α)-Urs-20-En-16-One CAS NO 66394-76-1 is a high-purity, specialized triterpenoid compound belonging to the ursane class, characterized by its unique steroidal-like structure. This compound is valued for its role as a critical intermediate or reference standard in advanced chemical synthesis and analytical research. It is primarily sought by pharmaceutical R&D laboratories, academic institutions, and fine chemical manufacturers engaged in the development of bioactive molecules and novel therapeutic agents.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel steroid-like drugs and bioactive compounds.
• Research & Development: Used as a reference standard or starting material in medicinal chemistry for structure-activity relationship (SAR) studies.
• Academic Research: Employed in biochemical and pharmacological studies to investigate biological pathways and mechanisms.
• Fine Chemical Synthesis: Acts as a precursor for the production of more complex, high-value specialty chemicals.
• Analytical Standard: Provides a certified reference material for quality control and method validation in analytical laboratories (HPLC, GC-MS).

Basic Information

Product Name	(18α,19α)-Urs-20-En-16-One
CAS No.	66394-76-1
Molecular Formula	C30H48O
Molecular Weight	424.71 g/mol
Synonyms	Urs-20-en-16-one; 16-Oxours-20-ene; (18α,19α)-Urs-20-en-16-one; 16-Ketours-20-ene; Ursane-16-one derivative; 3β-Hydroxyurs-20-en-16-one (related); Ursene triterpenoid ketone
EINECS	Contact for details

Quality Control

Our (18α,19α)-Urs-20-En-16-One is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly 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)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%

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