Description

(18α,19α)-Urs-20-Ene-3β,16β-Diol Diacetate is a high-purity, semi-synthetic triterpenoid derivative. This compound is valued for its role as a critical intermediate in advanced pharmaceutical research and synthesis, particularly in the development of novel therapeutic agents. It is primarily sought by research institutions, pharmaceutical development laboratories, and fine chemical manufacturers working on bioactive natural product derivatives and steroid-like compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel triterpenoid-based drug candidates with potential anti-inflammatory, hepatoprotective, or anticancer activities.
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies and structure-activity relationship (SAR) investigations of ursane-type triterpenes.
• Fine Chemical Synthesis: Serves as a versatile chiral starting material for the preparation of more complex, functionalized derivatives for specialized applications.
• Natural Product Chemistry: Employed in the semi-synthesis of analogs to study the impact of acetylation on the bioavailability and biological activity of natural ursane diols.

Basic Information

Product Name	(18α,19α)-Urs-20-Ene-3β,16β-Diol Diacetate
CAS No.	42482-72-4
Molecular Formula	C34H54O4
Molecular Weight	526.80 g/mol
Synonyms	Urs-20-ene-3β,16β-diol 3,16-diacetate; 3β,16β-Diacetoxyurs-20-ene; (3β,16β)-Urs-20-Ene-3,16-Diol Diacetate; 3β,16β-Dihydroxyurs-20-ene diacetate; Ursane-3,16-diol diacetate derivative; 3,16-Di-O-acetylurs-20-ene-3β,16β-diol
EINECS	Contact for details

Quality Control

Our (18α,19α)-Urs-20-Ene-3β,16β-Diol Diacetate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the stringent requirements of research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed to protect from moisture.

Specification

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