Description

A,A-Dichlorophthalide CAS NO 601-70-7 is a specialized halogenated phthalide derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique molecular structure provides a versatile scaffold for constructing complex molecules, making it a valuable asset for research and development. This compound is primarily sought after by the pharmaceutical and agrochemical industries for the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and potential drug candidates.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Acts as a versatile precursor for constructing complex heterocyclic compounds and fine chemicals.
• Material Science Research: Investigated as a monomer or additive in the development of specialized polymers and advanced materials.
• Chemical Research & Development: Employed in academic and industrial R&D for methodological studies and new reaction pathway exploration.

Basic Information

Product Name	A,A-Dichlorophthalide
CAS No.	601-70-7
Molecular Formula	C8H4Cl2O2
Molecular Weight	203.02 g/mol
Synonyms	3,3-Dichlorophthalide; 3,3-Dichloro-1(3H)-isobenzofuranone; α,α-Dichlorophthalide; NSC 406079; 1(3H)-Isobenzofuranone, 3,3-dichloro-; Phthalide, 3,3-dichloro-; 3,3-Dichloro-2-benzofuran-1(3H)-one
EINECS	210-009-7

Quality Control

Our A,A-Dichlorophloride is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A detailed Certificate of Analysis (COA) documenting all test results is 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. 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	< 20 ppm

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