Description

(18α,19α,20β)-Ursane-3,16-Dione CAS NO 42483-55-6 is a high-purity, synthetic pentacyclic triterpenoid dione of significant interest in advanced chemical synthesis and pharmaceutical research. This compound serves as a critical intermediate for developing novel bioactive molecules and fine chemicals. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors for applications in drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel triterpenoid derivatives with potential therapeutic applications.
• Biochemical Research: Used as a reference standard or precursor in studies investigating enzyme inhibition, receptor binding, and metabolic pathways.
• Fine Chemical Synthesis: Serves as a sophisticated starting material for creating complex molecular architectures in specialty and performance chemical manufacturing.
• Academic Research: Employed in organic chemistry laboratories for methodological development and the study of stereoselective reactions.

Basic Information

Product Name	(18α,19α,20β)-Ursane-3,16-Dione
CAS No.	42483-55-6
Molecular Formula	C30H46O2
Molecular Weight	438.70 g/mol
Synonyms	Ursane-3,16-dione; 3,16-Dioxoursane; (18α,19α,20β)-Ursane-3,16-dione; 3,16-Diketo-ursane; Ursanedione; 3,16-Ursanedione; 18α,19α,20β-Ursane-3,16-dione
EINECS	Contact for details

Quality Control

Our (18α,19α,20β)-Ursane-3,16-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light sources to maintain stability and purity.

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.