Description

(18α,19α)-3β-Hydroxyurs-20-En-16-One CAS NO 42482-69-9 is a high-purity pentacyclic triterpenoid derivative, specifically a hydroxy-ursene compound, valued for its role as a critical intermediate and reference standard in advanced chemical synthesis. This compound matters for its structural specificity, which makes it an essential building block for pharmaceutical research and the development of novel bioactive molecules. It is primarily needed by R&D laboratories, fine chemical manufacturers, and academic institutions focused on medicinal chemistry, natural product synthesis, and metabolic studies.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of potential therapeutic agents, particularly those targeting metabolic and inflammatory pathways.
• Reference Standard: Used as a high-purity analytical standard in HPLC, LC-MS, and NMR for quality control and method validation in natural product analysis.
• Medicinal Chemistry Research: A valuable scaffold for structure-activity relationship (SAR) studies to develop new drug candidates with modified biological activity.
• Natural Product Derivatization: Employed in the semi-synthesis of novel triterpenoid analogs for evaluating enhanced pharmacological properties.
• Biochemical Research: Utilized in enzymatic studies and as a probe to investigate specific biological interactions and signaling mechanisms.
• Academic & Institutional R&D: Fundamental compound for teaching and research in advanced organic chemistry and natural product chemistry courses.

Basic Information

Product Name	(18α,19α)-3β-Hydroxyurs-20-En-16-One
CAS No.	42482-69-9
Molecular Formula	C30H48O2
Molecular Weight	440.71 g/mol
Synonyms	3β-Hydroxyurs-20-en-16-one; 16-Oxo-3β-hydroxyurs-20-ene; Urs-20-ene-3β,16-diol, 16-one; 3β-Hydroxy-16-oxours-20-ene; (3β,18α,19α)-Urs-20-ene-3,16-diol, 16-one; 16-Keto-3β-hydroxyurs-20-ene; 3β-Hydroxy-16-ketours-20-ene; 16-Oxours-20-en-3β-ol
EINECS	Contact for details

Quality Control

Our (18α,19α)-3β-Hydroxyurs-20-En-16-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets exacting standards for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your quality assurance and regulatory documentation needs.

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 light-sensitive; prolonged exposure to light should be avoided to maintain stability and purity.

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	≤ 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.