Description

(18α,19α)-Ursane-3,16-Dione CAS NO 66965-49-9 is a high-purity pentacyclic triterpenoid dione, a key intermediate in the synthesis of bioactive ursane-type compounds. Its defined stereochemistry and functional groups make it a valuable scaffold for pharmaceutical research and development. This compound is primarily targeted at research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors seeking to develop novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel ursane-type drugs with potential anti-inflammatory, hepatoprotective, or antitumor activities.
• Reference Standard: Used as a certified reference material (CRM) in analytical laboratories for quality control and method validation of related natural products or synthetic derivatives.
• Biochemical Research: Serves as a precursor or probe in studies investigating enzyme inhibition, receptor binding, and other biological pathways involving triterpenoids.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex natural product analogs and specialty chemicals for advanced material science.
• Nutraceutical Development: Investigated as a starting material for the development of high-value, standardized botanical extracts and dietary supplements.

Basic Information

Product Name	(18α,19α)-Ursane-3,16-Dione
CAS No.	66965-49-9
Molecular Formula	C30H46O2
Molecular Weight	438.70 g/mol
Synonyms	Ursane-3,16-dione; 3,16-Dioxoursane; (18α,19α)-Ursane-3,16-dione; 3β-Hydroxyursan-16-one (oxidation product); Ursanedione; Triterpenoid dione; 16-Oxoursan-3-one; 3,16-Ursanedione
EINECS	Contact for details

Quality Control

Our (18α,19α)-Ursane-3,16-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR, MS). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications.

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 compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.