Description

(18α)-Urs-19(29)-En-3β-Ol is a high-purity pentacyclic triterpenoid compound, specifically a derivative of ursane. This compound serves as a critical reference standard and advanced pharmaceutical intermediate for research and development. It is primarily required by the pharmaceutical, biotechnology, and nutraceutical industries for the synthesis and quality control of novel therapeutic agents.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and assay calibration in the development of new drugs.
• Active Pharmaceutical Ingredient (API) Intermediate: A key building block in the synthesis of complex therapeutic molecules targeting various metabolic and inflammatory pathways.
• Biochemical Research: Employed in academic and industrial laboratories to study biological activities, structure-activity relationships (SAR), and enzyme interactions.
• Natural Product Synthesis: Serves as a starting material or intermediate for the semi-synthesis of other bioactive triterpenoids and their analogs.
• Quality Control & Analytical Testing: Essential for HPLC, GC, and other chromatographic methods to ensure the quality of botanical extracts and finished products.

Basic Information

Product Name	(18α)-Urs-19(29)-En-3β-Ol
CAS No.	13854-94-9
Molecular Formula	C30H50O
Molecular Weight	426.73 g/mol
Synonyms	Urs-19(29)-en-3β-ol; 3β-Hydroxyurs-19(29)-ene; 19(29)-Dehydroursenol; 19-Dehydroursenol; δ19(29)-Ursen-3β-ol; (3β)-Urs-19(29)-en-3-ol; Urs-19-ene-3β-ol
EINECS	Contact for details

Quality Control

Our (18α)-Urs-19(29)-En-3β-Ol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for identity confirmation, to ensure it meets the stringent requirements for use as a reference material. A Certificate of Analysis (COA) detailing all specifications is provided with each 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). The product is stable under these conditions for long-term storage.

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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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