Description

Cyanic Acid, 4-Formylphenyl Ester (9Ci) is a specialized organic building block primarily used in advanced chemical synthesis. This compound matters for its role as a key intermediate in the production of pharmaceuticals, agrochemicals, and functional materials, enabling the introduction of both formyl and cyanate functional groups. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring benzaldehyde or phenolic ester motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and high-performance materials.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing heterocycles and other complex organic molecules via its reactive formyl and cyanate groups.
• Ligand & Catalyst Development: Useful in the preparation of novel ligands for metal catalysis and coordination chemistry.

Basic Information

Product Name	Cyanic Acid, 4-Formylphenyl Ester (9Ci)
CAS No.	1126-84-7
Molecular Formula	C8H5NO2
Molecular Weight	147.13 g/mol
Synonyms	4-Formylphenyl cyanate; p-Formylphenyl cyanate; 4-Cyanato-1-benzaldehyde; p-Cyanatobenzaldehyde; Benzaldehyde, 4-cyanato-; 4-Hydroxybenzaldehyde cyanate (ester); (4-Formylphenoxy)carbonitrile; 1-Cyanooxy-4-formylbenzene
EINECS	Contact for details

Quality Control

Our Cyanic Acid, 4-Formylphenyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and should be handled under an inert atmosphere if necessary to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.