Intermediates

2-Cyanopyrazine

  • CAS No.19847-12-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 2-Cyanopyrazine (CAS 19847-12-2), a key heterocyclic intermediate for pharmaceutical and agrochemical synthesis.

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Product Technical Details

Product Overview

2-Cyanopyrazine (CAS 19847-12-2) is a versatile nitrogen-containing heterocyclic compound widely employed as a critical building block in the synthesis of active pharmaceutical ingredients (APIs) and specialty agrochemicals. With its reactive nitrile group adjacent to the electron-deficient pyrazine ring, it serves as an excellent electrophilic synthon for nucleophilic addition, cycloaddition, and cross-coupling reactions in advanced organic synthesis.

Specifications

Molecular FormulaC₅H₃N₃
Molecular Weight105.10 g/mol
AppearanceSlightly green transparent liquid
Melting Point18–20 °C (tested: 22 °C)
Boiling Point87 °C at 6 mmHg
Density1.174 g/cm³
Refractive Index1.534
Assay (GC)≥99.0% (tested: 99.57%)
Moisture (KF)≤0.2% (tested: 0.08%)

Industrial Applications

As a high-value chemical intermediate, 2-Cyanopyrazine is primarily utilized in the pharmaceutical industry for the construction of complex molecular architectures, including kinase inhibitors, antimicrobial agents, and central nervous system modulators. Its structural motif also finds application in the development of novel crop protection agents and functional materials. Due to its reactivity and stability under controlled conditions, it is compatible with large-scale GMP manufacturing processes.

  • Enables efficient synthesis of fused pyrazine derivatives via nitrile transformation
  • Suitable for multi-step API campaigns requiring stringent impurity control
  • Supplied with full analytical documentation including COA and spectral data