Intermediates

1-Isothiocyanato-4-methoxybenzene

  • CAS No.2284-20-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-isothiocyanato-4-methoxybenzene (CAS 2284-20-0), a key aromatic isothiocyanate intermediate for advanced organic synthesis in pharmaceutical and agrochemical R&D.

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Product Technical Details

Product Overview

1-Isothiocyanato-4-methoxybenzene (CAS 2284-20-0) is a high-value aromatic isothiocyanate widely employed as a versatile building block in fine chemical and pharmaceutical manufacturing. This compound features a reactive isothiocyanate (–N=C=S) functional group para-substituted with a methoxy moiety on the benzene ring, enabling selective conjugation and cyclization reactions under controlled conditions.

Specifications

Molecular FormulaC₈H₇NOS
Molecular Weight165.21 g/mol
AppearanceColorless to yellow liquid
Assay≥98.0%
Melting Point18 °C (lit.)
Boiling Point280.5 ± 0.0 °C at 760 mmHg
Density1.1 ± 0.1 g/cm³
Flash Point119.5 ± 22.6 °C

Industrial Applications

As a specialized intermediate, 1-isothiocyanato-4-methoxybenzene is primarily utilized in multi-step organic synthesis pathways. Its applications include:

  • Serving as a precursor in the preparation of thiourea derivatives with potential bioactivity screening relevance.
  • Facilitating the construction of heterocyclic scaffolds in medicinal chemistry programs.
  • Acting as a derivatizing agent in analytical chemistry for amine detection via HPLC or fluorescence tagging.
  • Supporting agrochemical innovation through novel molecular architectures.

Due to its reactivity, this compound must be handled under inert atmosphere and stored in a cool, well-ventilated area away from moisture and nucleophiles. Standard industrial packaging is 200 kg per drum, with custom configurations available upon request. All batches are accompanied by comprehensive Certificates of Analysis (COA) to ensure traceability and compliance with global regulatory standards.