Description

(18α)-A-Neo-5α-Ursane CAS NO 56271-19-3 is a high-purity, specialized triterpenoid compound belonging to the ursane class, serving as a critical intermediate and reference standard in advanced chemical synthesis. Its value lies in its defined stereochemistry and structural framework, which is essential for research and development in complex organic molecule construction. This compound is primarily needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic institutions focused on natural product chemistry, medicinal chemistry, and the synthesis of bioactive molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel therapeutic agents and complex natural product derivatives.
• Reference Standard: Used as a high-purity analytical standard for quality control, method development, and compound identification in research and manufacturing.
• Medicinal Chemistry Research: Employed in structure-activity relationship (SAR) studies to explore the biological activity of ursane-type triterpenoids.
• Fine Chemical Synthesis: Serves as a precursor for the production of other high-value, stereochemically defined specialty chemicals.
• Academic & Industrial R&D: Fundamental research tool in organic synthesis laboratories for developing new synthetic methodologies.

Basic Information

Product Name	(18α)-A-Neo-5α-Ursane
CAS No.	56271-19-3
Molecular Formula	C30H52
Molecular Weight	412.73 g/mol
Synonyms	18α-A-Neo-5α-Ursane; A-Neo-5α-Ursane, (18α)-; (18α)-A-Neo-ursane; 5α-Ursane, (18α)-A-Neo-; Ursane, (18α)-A-Neo-5α-; 18α-A-Neo-ursane; Neo-5α-ursane (18α-A- isomer); 18α-H-A-Neo-5α-ursane
EINECS	Contact for details

Quality Control

Our (18α)-A-Neo-5α-Ursane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation. A Certificate of Analysis (COA) detailing specific results for identity, purity, and related substances is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.