Description

Spiro[2.4]Hepta-4,6-Diene-1-Carboxylic Acid, Methyl Ester (9Ci) is a specialized spirocyclic organic building block with a unique strained-ring structure. This compound is valued for its role as a key synthetic intermediate in advanced organic chemistry and materials science research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates with complex spirocyclic or strained-ring cores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where its unique structure can impart specific biological activity.
• Material Science: Acts as a monomer or cross-linking agent in the research of advanced polymers with tailored thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for Diels-Alder reactions and other cycloadditions to create novel polycyclic compounds.
• Ligand and Catalyst Development: Utilized in the design and synthesis of novel chiral ligands or organocatalysts for asymmetric synthesis.
• Fine Chemical Production: Incorporated into the multi-step synthesis of high-value specialty chemicals, dyes, and fragrances.

Basic Information

Product Name	Spiro[2.4]Hepta-4,6-Diene-1-Carboxylic Acid, Methyl Ester (9Ci)
CAS No.	97580-83-1
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	Methyl Spiro[2.4]hepta-4,6-diene-1-carboxylate; Methyl 1-Azaspiro[2.4]hepta-4,6-diene-1-carboxylate (related structure); Spiro[2.4]hepta-4,6-diene-1-carboxylic acid methyl ester; 1-Carbomethoxyspiro[2.4]hepta-4,6-diene; 9CI Labeled Compound; Bicyclo[3.1.0]hex-2-ene-6-carboxylic acid, methyl ester (systematic alternative); Spirocyclic Diene Ester
EINECS	Contact for details

Quality Control

Our Spiro[2.4]Hepta-4,6-Diene-1-Carboxylic Acid, Methyl Ester (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

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). This compound should be kept under an inert atmosphere if long-term storage is required to maintain stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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