Description

2-Methyl-5-[1-(Methylamino)Ethylidene]-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester is a specialized, high-purity organic intermediate with a unique functionalized cyclopentadiene core. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research and development chemists and process development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those with complex polycyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive diene and ester functionalities.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for Diels-Alder reactions and other cycloaddition chemistry to create complex organic molecules.
• Ligand and Catalyst Development: Utilized in the preparation of novel chelating ligands for metal catalysts used in asymmetric synthesis.

Basic Information

Product Name	2-Methyl-5-[1-(Methylamino)Ethylidene]-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester
CAS No.	13061-79-5
Molecular Formula	C₁₃H₁₇NO₄
Molecular Weight	251.28 g/mol
Synonyms	Dimethyl 2-Methyl-5-[1-(methylamino)ethylidene]-1,3-cyclopentadiene-1,3-dicarboxylate; 1,3-Cyclopentadiene-1,3-dicarboxylic acid, 2-methyl-5-[1-(methylamino)ethylidene]-, dimethyl ester; 2-Methyl-5-(1-methylaminoethylidene)cyclopenta-1,3-diene-1,3-dicarboxylic acid dimethyl ester; NSC 163044; Aminomethylidenecyclopentadiene derivative
EINECS	Contact for details

Quality Control

Our 2-Methyl-5-[1-(Methylamino)Ethylidene]-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

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.