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Product Line: Pharmaceutical Chemicals

4-Cyano-2-methoxybenzaldehyde

CAS 21962-45-8

Molecular structure of 4-Cyano-2-methoxybenzaldehyde

CAS · 21962-45-8

01

Product Overview

4-Cyano-2-methoxybenzaldehyde is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Class white to yellow powder
Assay 98.0% - 102%
Substance 0.2% max
Impurity A 0.2% max
Impurity B 0.2% max
Single Maximum Impurity 0.15% max
Total Impurities 1.0% max
Residue on ignition 0.5% max
Water 0.5% max
03

Applications

4-Cyano-2-methoxybenzaldehyde is widely used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. It serves as a building block for heterocyclic compounds, dyes, pigments, and specialty organic molecules due to its aldehyde functionality and electron-withdrawing cyano group. In medicinal chemistry, it is employed in the preparation of bioactive compounds, including anti-inflammatory, antimicrobial, and anticancer candidates. The compound is also used in materials science for the development of polymers, photoactive materials, and organic electronics, where its aromatic aldehyde moiety enables condensation and functionalization reactions. Additionally, it is applied in laboratory research for the synthesis of Schiff bases, imines, and other derivatives used in mechanistic studies and structure–activity relationship exploration.

04

Benefits

The compound offers several advantages due to its multifunctional structure, which combines an aldehyde group, a cyano substituent, and a methoxy group on an aromatic ring. The aldehyde group provides high reactivity for condensation, nucleophilic addition, and reductive transformations, enabling diverse chemical modifications. The cyano group enhances electron-withdrawing effects, improving selectivity and reactivity in targeted reactions, while the methoxy group contributes to solubility and chemical stability. Its well-defined structure allows predictable reaction behavior, making it reliable for multi-step syntheses. Additionally, the compound is compatible with standard organic solvents and reaction conditions, which facilitates reproducible and scalable chemical processes.

05

Conclusion

4-Cyano-2-methoxybenzaldehyde is a versatile and valuable intermediate for pharmaceutical, agrochemical, and materials research. Its applications in the synthesis of heterocycles, bioactive molecules, and functional materials, combined with benefits such as chemical reactivity, structural versatility, and stability, make it an important building block in modern organic synthesis. The compound continues to support efficient production of advanced chemical entities and innovative material solutions.

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