Description

1,3-Cyclopentadiene-1-Carboxylic Acid, 4-Methyl- (9Ci) is a specialized organic building block of significant interest in advanced synthetic chemistry. This compound matters for its role as a key precursor in the synthesis of complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Material Science: Serves as a monomer or precursor for advanced polymers and specialty materials with tailored properties.
• Organic Synthesis & Catalysis: Employed in academic and industrial research for constructing complex carbocyclic and heterocyclic compounds.
• Fine Chemical Production: Integral to the multi-step synthesis of high-value, low-volume specialty chemicals.
• Ligand & Catalyst Development: Useful for creating novel ligands in asymmetric catalysis and organometallic chemistry.

Basic Information

Product Name	1,3-Cyclopentadiene-1-Carboxylic Acid, 4-Methyl- (9Ci)
CAS No.	500881-64-1
Molecular Formula	C7H8O2
Molecular Weight	124.14 g/mol
Synonyms	4-Methyl-1,3-cyclopentadiene-1-carboxylic acid; 4-Methylcyclopenta-1,3-diene-1-carboxylic Acid; 1-Carboxy-4-methyl-1,3-cyclopentadiene; 4-Methyl-1,3-cyclopentadiene-1-carboxylic acid (9CI); 4-Methylcyclopentadienecarboxylic Acid
EINECS	Contact for details

Quality Control

Our 1,3-Cyclopentadiene-1-Carboxylic Acid, 4-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing specific results 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 controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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