Description

9-Epi-Cinchonidine is a stereoisomer of the well-known cinchona alkaloid, cinchonidine, distinguished by the epimerization at the C-9 position. This structural variation imparts unique stereochemical and catalytic properties, making it a valuable chiral building block and ligand in asymmetric synthesis. It is primarily sought by research institutions and pharmaceutical companies for the development of chiral catalysts, as a reference standard in analytical chemistry, and for use in advanced organic synthesis.

Application

• As a chiral ligand or organocatalyst in asymmetric synthesis reactions.
• As a key intermediate in the research and development of pharmaceutical active ingredients.
• As a high-purity reference standard for analytical method development and quality control (HPLC, GC).
• In academic and industrial research for studying cinchona alkaloid chemistry and stereoselectivity.
• For the preparation of specialized chiral stationary phases used in chromatographic separations.
• In catalytic systems for enantioselective transformations, such as phase-transfer catalysis.

Basic Information

Product Name	9-Epi-Cinchonidine
CAS No.	550-54-9
Molecular Formula	C19H22N2O
Molecular Weight	294.39 g/mol
Synonyms	(9S)-Cinchonan-9-ol; (8α,9S)-Cinchonan-9-ol; 9-epi-Cinchonidine; Cinchonan-9-ol, (8α,9S)-; Pseudocinchonidine; NSC 192949; Cinchonidine, 9-epi-; (9S)-6'-Methoxycinchonan-9-ol
EINECS	208-979-6

Quality Control

Our 9-Epi-Cinchonidine is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Optical Rotation	Contact for details
Related Substances (HPLC)	Individual impurity ≤ 0.5% Total impurities ≤ 1.0%

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