Description

3-Cyano-7-Hydroxycoumarin is a versatile and highly functionalized coumarin derivative, serving as a critical building block in advanced organic synthesis. Its core value lies in its dual functionality, combining the fluorescent coumarin scaffold with reactive cyano and phenolic hydroxyl groups, enabling precise molecular design. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for developing new active ingredients and functional dyes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting enzymes where the coumarin core acts as a pharmacophore.
• Fluorescent Probe & Sensor Development: Used to create sensitive chemosensors and bioimaging agents due to its inherent fluorescence and ability to be further derivatized.
• Agrochemical Synthesis: Employed in the research and production of advanced pesticides and herbicides, leveraging its structural complexity for enhanced biological activity.
• Organic Electronic Materials: Acts as a building block for electron-transport materials, OLED emitters, and other functional materials in optoelectronics.
• Dye & Pigment Industry: Serves as an intermediate for synthesizing high-performance fluorescent dyes and pigments with specific light-absorption properties.
• Bioconjugation & Labeling: The hydroxyl group allows for facile attachment to biomolecules (proteins, peptides) for labeling and tracking applications.

Basic Information

Product Name	3-Cyano-7-Hydroxycoumarin
CAS No.	19088-73-4
Molecular Formula	C₁₀H₅NO₃
Molecular Weight	187.15 g/mol
Synonyms	7-Hydroxy-3-cyanocoumarin; 7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile; 3-Cyano-7-hydroxy-2H-chromen-2-one; 3-Cyano-7-hydroxy-2H-1-benzopyran-2-one; 7-Hydroxycoumarin-3-carbonitrile; 3-CN-7-OH Coumarin
EINECS	Contact for details

Quality Control

Every batch of 3-Cyano-7-Hydroxycoumarin is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemicals and research intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), is performed. A Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment to guarantee traceability and consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C (dec.)
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.