Description

5-(4-Biphenylyl)Pentanal is a high-purity organic building block characterized by its biphenyl and aldehyde functional groups. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or acting as enzyme inhibitors.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, or plant growth regulators, leveraging its biphenyl core for biological activity.
• Liquid Crystal & OLED Material Research: Serves as a building block for creating novel organic semiconductors, charge-transport materials, or liquid crystal molecules due to its rigid biphenyl structure and reactive aldehyde group.
• Polymer & Resin Modification: Employed to introduce aromaticity and aldehyde functionality into polymer chains, modifying properties like thermal stability, rigidity, or cross-linking potential.
• Chemical Research & Development: Utilized as a standard or starting material in methodological studies, catalysis research, and the development of new synthetic pathways in academic and industrial labs.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of complex fragrances, dyes, or other specialty chemicals.

Basic Information

Product Name	5-(4-Biphenylyl)Pentanal
CAS No.	289032-37-7
Molecular Formula	C₁₇H₁₈O
Molecular Weight	238.33 g/mol
Synonyms	4-(5-Oxopentyl)-1,1'-biphenyl; 5-(4-Biphenylyl)valeraldehyde; 5-(Biphenyl-4-yl)pentanal; [1,1'-Biphenyl]-4-pentanal; 4'-Pentyl[1,1'-biphenyl]-4-carboxaldehyde (incorrect but common misnomer); Biphenyl-4-pentanal; 5-(4-Phenylphenyl)pentanal
EINECS	Contact for details

Quality Control

Our 5-(4-Biphenylyl)Pentanal is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. The compound is easily oxidized and light-sensitive. Allow the sealed container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay (GC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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