Description

2,4-Pentadienoic Acid, 5-(3,4-Dihydroxyphenyl)- (9Ci) is a specialized organic compound featuring a catechol moiety conjugated to a pentadienoic acid chain. This unique structure makes it a valuable synthetic intermediate and building block for advanced chemical synthesis. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials. The compound's reactivity profile offers significant potential for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its phenolic structure.
• Material Science: Acts as a monomer or cross-linking agent in the research of specialty polymers and coatings with specific adhesive or conductive properties.
• Biochemical Research: Employed in studies of enzyme inhibition, antioxidant activity, and as a probe for understanding biological pathways involving catechol derivatives.
• Organic Synthesis Building Block: Utilized in academic and industrial laboratories for constructing complex natural product analogs and heterocyclic compounds.

Basic Information

Product Name	2,4-Pentadienoic Acid, 5-(3,4-Dihydroxyphenyl)- (9Ci)
CAS No.	110501-70-7
Molecular Formula	C11H10O4
Molecular Weight	206.19 g/mol
Synonyms	5-(3,4-Dihydroxyphenyl)-2,4-pentadienoic acid; 3,4-Dihydroxycinnamylideneacetic acid; (3,4-Dihydroxyphenyl)penta-2,4-dienoic acid; 3-(3,4-Dihydroxyphenyl)-2-propenylideneacetic acid; Caffeic acid methylene derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2,4-Pentadienoic Acid, 5-(3,4-Dihydroxyphenyl)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) that include results from HPLC, NMR, and other relevant spectroscopic methods. Specifications can be aligned with research or pilot-scale requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and easily oxidized nature, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place. Recommended long-term storage temperature is 2-8°C. Allow the sealed container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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