Description

6,8-Dichloro-5-Hydroxy-6'-Methoxy-7-Methyl-4,4'-Dioxospiro[4H-1,3-Benzodioxin-2,1'-[2,5]Cyclohexadiene]-2'-Carboxylic Acid Methyl Ester is a high-purity, complex spirocyclic organic compound with significant synthetic utility. This advanced pharmaceutical intermediate is valued for its precise molecular architecture, which serves as a critical building block in the development of novel active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical sectors engaged in innovative drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel therapeutic agents, particularly in research for complex heterocyclic compounds.
• Organic Synthesis Research: Used as a sophisticated precursor in academic and industrial R&D for constructing complex spirocyclic and fused ring systems.
• Agrochemical Development: Potential intermediate in the research and synthesis of new-generation, high-performance crop protection agents.
• Material Science: Investigated for the development of specialty polymers and organic electronic materials due to its unique fused-ring structure.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	6,8-Dichloro-5-Hydroxy-6'-Methoxy-7-Methyl-4,4'-Dioxospiro[4H-1,3-Benzodioxin-2,1'-[2,5]Cyclohexadiene]-2'-Carboxylic Acid Methyl Ester
CAS No.	428-21-7
Molecular Formula	C18H12Cl2O8
Molecular Weight	427.19 g/mol
Synonyms	Methyl 6,8-dichloro-5-hydroxy-6'-methoxy-7-methyl-4,4'-dioxospiro[4H-1,3-benzodioxine-2,1'-cyclohexa-2,5-diene]-2'-carboxylate; Spiro[4H-1,3-benzodioxine-2,1'-cyclohexa-2,5-diene]-2'-carboxylic acid, 6,8-dichloro-5-hydroxy-6'-methoxy-7-methyl-4,4'-dioxo-, methyl ester; CAS 428-21-7
EINECS	Contact for details

Quality Control

Our 6,8-Dichloro-5-Hydroxy-6'-Methoxy-7-Methyl-4,4'-Dioxospiro[4H-1,3-Benzodioxin-2,1'-[2,5]Cyclohexadiene]-2'-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.