Description

Cotarnine is a benzylisoquinoline alkaloid derivative, recognized for its specific chemical structure and properties. This compound is of significant interest in advanced pharmaceutical research and fine chemical synthesis, serving as a valuable intermediate or reference standard. It is primarily utilized by research institutions, pharmaceutical development laboratories, and specialty chemical manufacturers. Our supply ensures high purity and consistent quality to meet the stringent demands of these applications.

Application

• Pharmaceutical Research Intermediate: Used as a key building block in the synthesis of more complex alkaloid-based compounds and potential active pharmaceutical ingredients (APIs).
• Biochemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in laboratories.
• Academic & R&D Studies: Employed in pharmacological and phytochemical research to study structure-activity relationships and natural product pathways.
• Fine Chemical Synthesis: Acts as a specialized intermediate in custom synthesis and the production of niche fine chemicals.

Basic Information

Product Name	Cotarnine
CAS No.	82-54-2
Molecular Formula	C12H15NO4
Molecular Weight	237.25 g/mol
Synonyms	Cotarnine; 1,2,3,4-Tetrahydro-6,7-dimethoxy-1-methylisoquinoline-5,8-diol; 6,7-Dimethoxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-5,8-diol; Narcotine impurity; Narcotinium; Stypticin; Cotarnine chloride (salt form reference); Cotarnine hydrochloride (salt form reference)
EINECS	201-424-9

Quality Control

Our Cotarnine is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We support compliance with relevant research and development standards, and specifications can be aligned with client requirements for specific applications.

Storage

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

Specification

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