Description

4-Pentenoic Acid, 5-Phenyl-, (E)- is a specialized unsaturated carboxylic acid derivative featuring a phenyl-substituted pentenoic acid backbone in the (E)-configuration. This compound serves as a valuable chiral building block and synthetic intermediate in advanced organic synthesis, prized for its defined stereochemistry and reactive alkene functionality. It is primarily utilized by research institutions and pharmaceutical development teams for constructing complex molecular architectures, including active pharmaceutical ingredients (APIs) and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Organic Synthesis Building Block: Used in asymmetric synthesis, cross-coupling reactions, and the construction of complex natural product analogs.
• Agrochemical Research: Employed in the development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Precursor: Acts as a monomer or functional modifier in the research of specialized polymers and advanced materials.
• Flavor & Fragrance Chemistry: Serves as an intermediate for synthesizing specific aromatic compounds.
• Academic & R&D: Utilized in university and corporate research laboratories for methodological studies and discovery chemistry.

Basic Information

Product Name	4-Pentenoic Acid, 5-Phenyl-, (E)-
CAS No.	17920-83-1
Molecular Formula	C11H12O2
Molecular Weight	176.21 g/mol
Synonyms	(E)-5-Phenyl-4-pentenoic Acid; trans-5-Phenyl-4-pentenoic Acid; (E)-5-Phenylpent-4-enoic Acid; 4-Pentenoic acid, 5-phenyl-, (E)-; 5-Phenyl-4-pentenoic acid, (E)-; (E)-3-(2-Phenylethenyl)propanoic Acid
EINECS	Contact for details

Quality Control

Our 4-Pentenoic Acid, 5-Phenyl-, (E)- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and chiral purity analysis, to ensure identity, strength, and compositional integrity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality protocols to meet specific client requirements.

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). Keep away from strong oxidizing agents, strong bases, and heat sources. For long-term storage under an inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (E-isomer)
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.