Description

4-Cyanocinnamic Acid is a high-purity organic building block characterized by its cinnamic acid backbone substituted with a cyano group at the 4-position. This compound matters as a versatile intermediate in advanced organic synthesis, enabling the construction of complex molecules for pharmaceutical and material science applications. Industries that need it include pharmaceutical R&D for active ingredient synthesis, agrochemical manufacturing, and academic research laboratories developing novel organic electronic materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of tyrosine kinase inhibitors and other small-molecule drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides and plant growth regulators.
• Organic Electronic Materials: Serves as a building block for conjugated polymers and molecular semiconductors in OLED and OPV research.
• Liquid Crystal & Dye Manufacturing: Core structure for creating cyanobiphenyl-based liquid crystals and specialized chromophores.
• Peptide Mimetics & Bioconjugation: The carboxylic acid and aromatic nitrile groups facilitate its use in creating peptide analogs and bioconjugation linkers.
• Academic & Industrial Research: A valuable reagent for methodology development in cross-coupling and cyano chemistry.

Basic Information

Product Name	4-Cyanocinnamic Acid
CAS No.	16642-94-7
Molecular Formula	C10H7NO2
Molecular Weight	173.17 g/mol
Synonyms	trans-4-Cyanocinnamic Acid; (E)-3-(4-Cyanophenyl)acrylic Acid; 4-Cyano-trans-cinnamic Acid; p-Cyanocinnamic Acid; 3-(4-Cyanophenyl)-2-propenoic Acid; 4-Cyanobenzalacetic Acid; KYN 204
EINECS	240-704-6

Quality Control

Our 4-Cyanocinnamic Acid is manufactured under a strict quality management system. 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 industrial synthesis. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	255 - 260 °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.