Description

Benzenepropanoic Acid, 3-Ethenyl-2,4-Dimethyl-α-Methylene-, Methyl Ester (9Ci) is a specialized organic ester compound with a complex aromatic structure, serving as a valuable intermediate in advanced chemical synthesis. This compound matters for its role in constructing more complex molecular architectures, particularly in fine chemical and pharmaceutical research where specific functional groups are required. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex aromatic ester backbones.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, including dyes, pigments, and performance additives.
• Polymer & Material Science: Acts as a monomer or functionalizing agent in the research of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis & Catalysis Research: Employed in academic and industrial laboratories to study novel organic reactions, catalytic processes, and to synthesize complex natural product analogs.
• Flavor & Fragrance Industry: Potential use as an intermediate in the synthesis of complex aromatic compounds for high-value fragrance and flavor ingredients.

Basic Information

Product Name	Benzenepropanoic Acid, 3-Ethenyl-2,4-Dimethyl-α-Methylene-, Methyl Ester (9Ci)
CAS No.	820965-00-2
Molecular Formula	C15H18O2
Molecular Weight	230.30 g/mol
Synonyms	3-Ethenyl-2,4-dimethyl-α-methylenebenzenepropanoic acid methyl ester; Methyl 3-ethenyl-2,4-dimethyl-α-methylenebenzenepropanoate; 2,4-Dimethyl-3-vinyl-α-methylenebenzenepropanoic acid methyl ester; (2,4-Dimethyl-3-vinylbenzylidene)acetic acid methyl ester; Aromatic vinyl ester derivative; CAS 820965-00-2; Research compound 820965-00-2
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid, 3-Ethenyl-2,4-Dimethyl-α-Methylene-, Methyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

Storage

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

Specification

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