Description

3-Methyl-2-Cyclobutene-1,2-Dicarboxylic Acid is a specialized, high-purity organic acid derivative featuring a strained cyclobutene ring system. This compound serves as a critical advanced intermediate for synthesizing complex molecules in pharmaceutical and fine chemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a strained, functionalized ring system.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or precursor for developing specialized polymers and advanced organic materials with unique properties.
• Fine Chemical Production: Employed in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis, including cycloaddition reactions and ring-opening polymerizations.

Basic Information

Product Name	3-Methyl-2-Cyclobutene-1,2-Dicarboxylic Acid
CAS No.	4924-54-3
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	3-Methyl-2-cyclobutene-1,2-dicarboxylic acid; 3-Methylcyclobut-2-ene-1,2-dicarboxylic acid; 1,2-Cyclobutenedicarboxylic acid, 3-methyl-; 3-Methyl-1,2-cyclobutenedicarboxylic acid
EINECS	225-552-8

Quality Control

Our 3-Methyl-2-Cyclobutene-1,2-Dicarboxylic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white 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.