Acetamide, N-(2-methoxy-5-nitrophenyl) (CAS 33721-54-9): A Detailed Overview

Acetamide, N-(2-methoxy-5-nitrophenyl), identified by CAS No. 33721-54-9, is an important aromatic acetamide compound used in chemical and pharmaceutical research. With its nitro and methoxy functional groups, this compound is valued as a key intermediate in organic synthesis and medicinal chemistry.

This article provides a clear overview of its chemical identity, structure, properties, applications, and handling considerations.


Chemical Identification

  • CAS Number: 33721-54-9

  • Chemical Name: Acetamide, N-(2-methoxy-5-nitrophenyl)

  • Molecular Class: Aromatic amide

  • Functional Groups: Acetamide, nitro (–NO₂), methoxy (–OCH₃)

The combination of electron-donating and electron-withdrawing groups makes this compound useful for targeted chemical modifications.


Molecular Structure and Properties

This compound consists of a phenyl ring substituted with methoxy and nitro groups, linked to an acetamide moiety. The molecular arrangement contributes to:

  • Balanced electronic properties

  • Controlled reactivity in substitution reactions

  • Suitability for multi-step synthesis pathways

Key Characteristics:

  • Good chemical stability

  • Soluble in common organic solvents

  • Suitable for laboratory-scale synthesis and analysis


Applications in Research and Industry

Pharmaceutical and Medicinal Chemistry

Acetamide, N-(2-methoxy-5-nitrophenyl) is widely used as a synthetic intermediate in:

  • Drug discovery research

  • Structure–activity relationship (SAR) studies

  • Development of aromatic amide-based compounds

Organic and Fine Chemical Synthesis

  • Acts as a precursor for advanced nitroaromatic derivatives

  • Useful in heterocycle synthesis and functional group transformations

  • Supports custom synthesis and process development

Academic Research

Research laboratories utilize this compound for:

  • Reaction mechanism studies

  • Substitution and reduction chemistry

  • Method optimization in aromatic systems


Handling and Storage

To maintain purity and stability:

  • Store in a cool, dry, and well-ventilated environment

  • Protect from excessive heat and moisture

  • Handle with standard laboratory PPE such as gloves and safety glasses

Following proper storage and handling ensures consistent research results.


Quality and Compliance

High-quality material is typically supplied with:

  • Certificate of Analysis (COA)

  • Purity and identity confirmation

  • Batch-level traceability

Selecting a reliable supplier ensures accuracy and reproducibility in research and industrial applications.


Conclusion

Acetamide, N-(2-methoxy-5-nitrophenyl) (CAS 33721-54-9) is a valuable aromatic amide used across pharmaceutical, chemical, and academic research. Its functional versatility and stable chemical profile make it an important building block for advanced organic synthesis and drug development.