Description

5-Carbomethoxyphthalide is a versatile and high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a key building block in the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring fine chemicals for research, development, and manufacturing of active ingredients will find this product essential for their processes.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with complex heterocyclic structures.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile starting material or intermediate for constructing complex organic molecules in research and development laboratories.
• Material Science Research: Employed in the development of novel polymers, ligands, and specialty chemicals with specific functional properties.
• Chemical Research & Development: Essential for method development, scale-up studies, and exploring new synthetic pathways in academic and industrial settings.

Basic Information

Product Name	5-Carbomethoxyphthalide
CAS No.	23405-32-5
Molecular Formula	C10H8O4
Molecular Weight	192.17 g/mol
Synonyms	5-(Methoxycarbonyl)phthalide; 5-(Methoxycarbonyl)-1(3H)-isobenzofuranone; Methyl 1-oxo-1,3-dihydro-2-benzofuran-5-carboxylate; 5-Methoxycarbonylphthalide; 1-Oxo-1,3-dihydroisobenzofuran-5-carboxylic acid methyl ester; 5-Carbomethoxy-1(3H)-isobenzofuranone
EINECS	Contact for details

Quality Control

Our 5-Carbomethoxyphthalide is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. Certificates of Analysis (COA) documenting all test results are provided with every shipment to support your quality assurance protocols.

Storage

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

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	≤ 10 ppm

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