Description

(18α,19α)-Urs-20-Ene-3β,16α-Diol CAS NO 66394-61-4 is a high-purity, semi-synthetic triterpenoid diol derived from ursolic acid. This compound is valued for its role as a critical pharmaceutical intermediate and a versatile scaffold in medicinal chemistry research. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors for developing novel therapeutic agents.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel anti-inflammatory, anti-cancer, and hepatoprotective drug candidates.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies to optimize biological activity and pharmacokinetic properties.
• Reference Standard: Employed as an analytical standard in quality control laboratories for the identification and quantification of related triterpenoids.
• Nutraceutical Development: Investigated for potential use in advanced dietary supplements targeting metabolic and inflammatory pathways.
• Biochemical Tool: Utilized in life science research to study specific biological pathways and mechanisms of action.

Basic Information

Product Name	(18α,19α)-Urs-20-Ene-3β,16α-Diol
CAS No.	66394-61-4
Molecular Formula	C30H50O2
Molecular Weight	442.72 g/mol
Synonyms	Urs-20-ene-3β,16α-diol; 3β,16α-Dihydroxyurs-20-ene; (3β,16α)-Urs-20-ene-3,16-diol; 16α-Hydroxyursolic alcohol; Ursolic acid diol derivative; 20(29)-Ursene-3β,16α-diol; 3β,16α-Dihydroxy-urs-20-ene
EINECS	Contact for details

Quality Control

Our (18α,19α)-Urs-20-Ene-3β,16α-Diol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term storage, consider using desiccants.

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	≤ 1.0%
Residue on Ignition	≤ 0.1%

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