Intermediates

5-Bromo-2-methylindole

  • CAS No.1075-34-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 5-Bromo-2-methylindole (CAS 1075-34-9), a key building block for advanced organic synthesis and pharmaceutical intermediates.

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Product Technical Details

Product Overview

5-Bromo-2-methylindole is a high-value heterocyclic compound widely employed as a versatile intermediate in the synthesis of complex organic molecules. With its bromine substituent at the 5-position and a methyl group at the 2-position of the indole core, this molecule offers excellent regioselectivity for cross-coupling reactions, making it indispensable in medicinal chemistry and agrochemical research.

Specifications

Molecular FormulaC9H8BrN
Molecular Weight210.070 g/mol
CAS Number1075-34-9
AppearanceLight yellow crystalline powder
Assay≥98.0%
Moisture≤1.0%
Melting Point104–107 °C (lit.)
Boiling Point325.1 ± 22.0 °C at 760 mmHg
Density1.6 ± 0.1 g/cm³
Flash Point150.4 ± 22.3 °C
Vapour Pressure0.0 ± 0.7 mmHg at 25 °C
Refractive Index1.685

Industrial Applications

This compound serves primarily as a critical intermediate in the development of active pharmaceutical ingredients (APIs), functional materials, and specialty agrochemicals. Its structural features enable efficient participation in Suzuki, Negishi, and other palladium-catalyzed coupling protocols, facilitating rapid molecular diversification.

  • Ideal for constructing indole-based scaffolds in drug discovery programs
  • Used in the synthesis of kinase inhibitors and receptor modulators
  • Suitable for scale-up under GMP-compliant manufacturing conditions

Stored in a cool, dry, and well-ventilated area, 5-Bromo-2-methylindole maintains stability under recommended conditions. Standard packaging is 25 kg per drum, with custom options available to meet specific client requirements.