Intermediates

3,5-Difluoropyridine-4-carboxylic acid

  • CAS No.903522-29-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 3,5-Difluoropyridine-4-carboxylic acid (≥99.0%) for advanced pharmaceutical synthesis. Reliable intermediate with consistent quality and global supply.

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Product Technical Details

Product Overview

3,5-Difluoropyridine-4-carboxylic acid is a high-value fluorinated heterocyclic carboxylic acid widely employed as a key building block in modern medicinal chemistry. With its dual fluorine substitution pattern and carboxylic acid functionality at the 4-position of the pyridine ring, this compound offers exceptional reactivity and selectivity in cross-coupling, amidation, and derivatization reactions. It serves as a critical intermediate in the synthesis of complex pharmaceutical active ingredients targeting diverse therapeutic areas.

Specifications

CAS Number903522-29-2
Molecular FormulaC6H3F2NO2
Molecular Weight159.09 g/mol
AppearanceYellow liquid
Purity≥99.0%
Density1.535 g/cm³
Boiling Point316.9°C at 760 mmHg
Flash Point145.5°C
Refractive Index1.515

Industrial Applications

This fluorinated pyridine derivative is primarily utilized in the pharmaceutical industry as a versatile synthetic intermediate. Its unique electronic and steric properties enable the construction of structurally complex molecules with improved metabolic stability, bioavailability, and target affinity. Common applications include:

  • Synthesis of kinase inhibitors and other targeted oncology therapeutics
  • Development of central nervous system (CNS) agents requiring enhanced blood-brain barrier penetration
  • Preparation of anti-infective scaffolds leveraging fluorine’s influence on lipophilicity
  • Building block for agrochemical research and specialty materials

Stored in tightly sealed containers under cool, dry conditions, 3,5-Difluoropyridine-4-carboxylic acid maintains stability during standard handling and transportation. Supplied in 25 kg drums for industrial-scale manufacturing, it meets stringent quality control standards required by global regulatory frameworks.