Description

Pirenoxine CAS NO 1043-21-6 is a synthetic organic compound belonging to the pyridoxine (vitamin B6) analog class, recognized for its specific biochemical activity. This compound is of significant commercial interest due to its targeted application in advanced ophthalmic formulations. It is primarily required by pharmaceutical manufacturers and research institutions focused on developing and producing specialized eye care products and biochemical research reagents.

Application

• Primary Active Pharmaceutical Ingredient (API) in ophthalmic solutions, specifically for cataract prevention and management.
• Key intermediate in the synthesis of more complex pharmaceutical compounds targeting oxidative stress pathways.
• Research chemical for biochemical studies investigating aldose reductase inhibition and its role in diabetic complications.
• Reference standard in analytical laboratories for quality control and method development in pharmaceutical analysis.
• Formulation component in advanced drug delivery systems for topical ocular administration.

Basic Information

Product Name	Pirenoxine
CAS No.	1043-21-6
Molecular Formula	C₁₆H₁₂N₂O₃
Molecular Weight	280.28 g/mol
Synonyms	Pirfenoxone; 1-Hydroxy-5-oxo-5H-pyrido[3,2-a]phenoxazine-3-carboxylic Acid; 5-Oxo-5H-pyrido[3,2-a]phenoxazine-1-carboxylic Acid; Pirenoxine Sodium; Catalin (brand name); Kary Uni (brand name); PRN
EINECS	213-881-8

Quality Control

Our Pirenoxine is manufactured under a GMP-compliant quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to meet stringent pharmaceutical-grade specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange-yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time conforms to reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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