Description

4-Chlorobenzylidene Phthalide is a specialized organic compound featuring a phthalide core substituted with a 4-chlorobenzylidene group. This structure makes it a valuable chemical intermediate and building block in advanced organic synthesis. It is primarily sought after by research and development laboratories and industrial manufacturers in the pharmaceutical and agrochemical sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis: Serves as a versatile precursor for synthesizing complex heterocyclic compounds and fine chemicals.
• Material Science: Investigated for use in the development of specialty polymers and advanced organic electronic materials.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	4-Chlorobenzylidene Phthalide
CAS No.	20526-97-0
Molecular Formula	C15H9ClO2
Molecular Weight	256.68 g/mol
Synonyms	4-Chlorobenzylidenephthalide; 2-(4-Chlorobenzylidene)-1H-isoindole-1,3(2H)-dione; 2-(4-Chlorobenzylidene)isoindoline-1,3-dione; 4-Chlorobenzal Phthalide; 4-Chlorobenzylidene-1,3-isoindoledione; 4-Chlorobenzylidenephthalide; 4-Chlorobenzylidene-1,3-dihydro-2H-isoindole-1,3-dione
EINECS	Contact for details

Quality Control

Our 4-Chlorobenzylidene Phthalide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.