Description

3-Cyanophthalide is a versatile and high-value organic intermediate, specifically a phthalide derivative, with the CAS registry number 27613-27-0. Its core value lies in its bifunctional chemical structure, featuring both a nitrile group and a phthalide moiety, which makes it a critical building block for synthesizing complex molecules. This compound is essential for manufacturers in the pharmaceutical and advanced materials sectors who require a reliable, high-purity precursor for active pharmaceutical ingredients (APIs) and specialty polymers.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of various active pharmaceutical ingredients (APIs), particularly those with fused-ring systems.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for high-performance organic pigments and colorants.
• Functional Material Development: Employed in research and production of organic semiconductors, liquid crystals, and photoconductive materials.
• Chemical Research & Development: A valuable reagent for constructing novel heterocyclic compounds in academic and industrial R&D labs.
• Polymer Modification: Used to introduce specific functional groups into polymer chains to alter material properties.

Basic Information

Product Name	3-Cyanophthalide
CAS No.	27613-27-0
Molecular Formula	C9H5NO2
Molecular Weight	159.14 g/mol
Synonyms	3-Cyanophthalide; 1(3H)-Isobenzofuranone, 3-cyano-; 3-Cyano-1(3H)-isobenzofuranone; 3-Cyanoisobenzofuran-1(3H)-one; 3-CN-Phthalide; Phthalide-3-carbonitrile; 3-Cyanophthalic anhydride (common misnomer); 3-Cyano-1-oxoisobenzofuran
EINECS	Contact for details

Quality Control

Our 3-Cyanophthalide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring the material meets the stringent requirements of pharmaceutical and advanced material synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and moisture. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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