Intermediates

5-Cyanoindole

  • CAS No.15861-24-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 5-Cyanoindole (CAS 15861-24-2), a key pharmaceutical intermediate used in the synthesis of active pharmaceutical ingredients such as Vilazodone.

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Product Technical Details

Product Overview

5-Cyanoindole is a high-value heterocyclic organic compound widely employed as a critical building block in modern pharmaceutical synthesis. With the molecular formula C9H6N2 and a molecular weight of 142.16 g/mol, this indole derivative features a nitrile group at the 5-position, imparting enhanced reactivity for downstream functionalization. It serves as an essential intermediate in the production of selective serotonin modulators, including the antidepressant Vilazodone (CAS 163521-12-8).

Specifications

Molecular FormulaC9H6N2
Molecular Weight142.157 g/mol
Melting Point106–109 °C
Density1.2 ± 0.1 g/cm³
Boiling Point350.0 ± 15.0 °C at 760 mmHg
Flash Point121.9 ± 5.6 °C
Vapour Pressure0.0 ± 0.8 mmHg at 25 °C
Refractive Index1.675

Quality Profile

Our 5-Cyanoindole meets stringent quality standards for use in regulated pharmaceutical manufacturing environments. Each batch undergoes rigorous analytical testing to ensure consistency and compliance.

  • Appearance: Off-white to yellowish powder
  • Assay (HPLC): ≥99.0% (typical result: 99.29%)
  • Loss on drying: ≤0.5% (typical: 0.18%)
  • Residue on ignition: ≤0.5% (typical: 0.15%)

Industrial Applications

As a versatile synthetic intermediate, 5-Cyanoindole is primarily utilized in the development and large-scale production of central nervous system (CNS) therapeutics. Its robust chemical scaffold enables efficient construction of complex indole-based APIs through nucleophilic addition, cyclization, or cross-coupling reactions. Beyond antidepressants, it also finds application in research programs targeting neuropharmacological agents and kinase inhibitors.

Stored in a cool, dry, and well-ventilated area, the product is typically packed in 25 kg fiber drums with inner polyethylene liners, though custom packaging is available upon request. As a non-final active ingredient, it is intended exclusively for industrial and research use under appropriate regulatory oversight.