Description

7-Methylcyclopenta[C]Pyran-4-Carboxylic Acid Methyl Ester is a high-purity, specialized organic ester building block of significant interest in advanced chemical synthesis. This compound serves as a critical intermediate for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors, where precise molecular architecture is paramount. It is essential for research chemists and process development teams working on novel active ingredients, fragrances, and functional materials that require its unique fused bicyclic structure.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural motif can contribute to specific biological activity and environmental stability.
• Fragrance and Flavor Chemistry: Serves as a precursor for synthesizing unique aroma chemicals with complex, woody, or amber-like olfactory notes.
• Material Science Research: Investigated as a monomer or building block for specialty polymers and advanced organic electronic materials due to its rigid, conjugated framework.
• Organic Synthesis Reference Standard: Employed as a pure standard in analytical laboratories for method development and quality control of related synthetic pathways.
• Academic and R&D: A valuable reagent for methodological studies in organic chemistry, including catalysis, cycloaddition reactions, and stereoselective synthesis.

Basic Information

Product Name	7-Methylcyclopenta[C]Pyran-4-Carboxylic Acid Methyl Ester
CAS No.	63785-74-0
Molecular Formula	C11H12O3
Molecular Weight	192.21 g/mol
Synonyms	Methyl 7-methylcyclopenta[c]pyran-4-carboxylate; 7-Methyl-4H-cyclopenta[c]pyran-4-carboxylic acid methyl ester; 4H-Cyclopenta[c]pyran-4-carboxylic acid, 7-methyl-, methyl ester; 7-Methylcyclopentapyran-4-carboxylic Acid Methyl Ester; Methyl 7-Methyl-4H-cyclopenta[c]pyran-4-carboxylate
EINECS	Contact for details

Quality Control

Our 7-Methylcyclopenta[C]Pyran-4-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

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.