Description

3,5-Dimethoxycinnamic Acid CAS NO 16909-11-8 is a high-purity, synthetically derived cinnamic acid derivative characterized by its two methoxy substituents. This compound serves as a versatile and critical organic intermediate for advanced synthesis in pharmaceutical and fine chemical research. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, including potential anti-inflammatory and anticancer agents.
• Organic Synthesis Reagent: Used in coupling reactions (e.g., Heck reaction) and as a precursor for more complex cinnamate derivatives.
• UV-Absorbing Compound Synthesis: Serves as a starting material for creating organic molecules with specific light-absorption properties for cosmetic or material science applications.
• Flavor & Fragrance Industry: Intermediate for the production of certain aromatic compounds and fixatives.
• Agrochemical Research: Utilized in the development of new active ingredients and plant growth regulators.
• Material Science: Potential monomer or cross-linking agent in the research of specialty polymers and coatings.

Basic Information

Product Name	3,5-Dimethoxycinnamic Acid
CAS No.	16909-11-8
Molecular Formula	C11H12O4
Molecular Weight	208.21 g/mol
Synonyms	3,5-Dimethoxycinnamic acid; (E)-3-(3,5-Dimethoxyphenyl)acrylic acid; Cinnamic acid, 3,5-dimethoxy-; 3,5-Dimethoxybenzeneacrylic acid; trans-3,5-Dimethoxycinnamic acid; 3-(3,5-Dimethoxyphenyl)-2-propenoic acid
EINECS	240-946-9

Quality Control

Our 3,5-Dimethoxycinnamic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
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.