Description

(18α,19α,20β)-Ursane-3β,16α-Diol is a high-purity pentacyclic triterpenoid diol, a key intermediate in the synthesis of bioactive ursane-type compounds. This compound matters for its role as a critical building block in pharmaceutical research and development, particularly for creating novel therapeutic agents. It is needed by research institutions, pharmaceutical companies, and fine chemical manufacturers focused on anti-inflammatory, hepatoprotective, and anticancer drug discovery.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of bioactive ursane derivatives for drug development.
• Reference Standard: Used as a certified reference material (CRM) for analytical method development and quality control in laboratories.
• Biochemical Research: Employed in studies investigating the structure-activity relationships (SAR) of triterpenoids and their biological pathways.
• Natural Product Synthesis: A key starting material for the semi-synthesis of complex natural products and their analogs.
• Cosmeceutical R&D: Explored for potential applications in developing high-value skincare ingredients with targeted biological activity.

Basic Information

Product Name	(18α,19α,20β)-Ursane-3β,16α-Diol
CAS No.	66965-48-8
Molecular Formula	C30H52O2
Molecular Weight	444.7 g/mol
Synonyms	3β,16α-Dihydroxyursane; Ursane-3β,16α-diol; (3β,16α)-Ursanediol; 3β,16α-Dihydroxy-urs-12-ene (related skeleton); Ursanediol; 3,16-Dihydroxyursane; Triterpenoid Diol (Ursane series)
EINECS	Contact for details

Quality Control

Our (18α,19α,20β)-Ursane-3β,16α-Diol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, MS). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production standards.

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 hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture uptake.

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.