Description

(18α)-Urs-20-Ene-3β,16β-Diol Diacetate CAS NO 66965-50-2 is a high-purity, semi-synthetic triterpenoid derivative, valued for its role as a critical intermediate in advanced pharmaceutical synthesis. This compound is essential for research and development in creating novel therapeutic agents, particularly due to its specific stereochemistry and functional groups. It is primarily targeted at the pharmaceutical, biotechnology, and fine chemical industries for use in API development and process chemistry.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel triterpenoid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and pharmacological research.
• Fine Chemical Synthesis: Serves as a chiral starting material for the production of complex organic molecules with specific biological activity.
• Process Development: Employed in scaling up and optimizing synthetic routes for new chemical entities in pilot plants.
• Academic Research: Utilized in university and institutional labs for exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	(18α)-Urs-20-Ene-3β,16β-Diol Diacetate
CAS No.	66965-50-2
Molecular Formula	C34H54O4
Molecular Weight	526.80 g/mol
Synonyms	Urs-20-ene-3β,16β-diol, 3,16-diacetate; 3β,16β-Diacetoxyurs-20-ene; Ursane-3β,16β-diol diacetate; (3β,16β)-Urs-20-ene-3,16-diyl diacetate; 3β-Acetoxy-16β-acetoxyurs-20-ene; 16β-Acetoxy-3β-acetoxyurs-20-ene; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our (18α)-Urs-20-Ene-3β,16β-Diol Diacetate is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer requirements for research or cGMP applications.

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 product is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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