Description

Benzyl 5-Hydroxypentanoate is a valuable organic ester compound, CAS NO 134848-96-7, that serves as a versatile intermediate in fine chemical synthesis. Its bifunctional structure, featuring both a benzyl-protected carboxylate and a terminal hydroxyl group, makes it a critical building block for creating more complex molecules. This compound is particularly sought after by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a hydroxypentanoate moiety.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure can be incorporated into bioactive molecules.
• Polymer & Material Science: Acts as a monomer or chain extender in the creation of specialty polyesters and polyurethanes with tailored properties.
• Fragrance & Flavor Precursor: Serves as a starting material for the synthesis of specific aroma chemicals and flavoring agents.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for constructing complex organic frameworks via reactions at either the ester or alcohol functional group.
• Crosslinking Agent: Its dual functionality allows it to act as a crosslinker in resin and coating formulations.

Basic Information

Product Name	Benzyl 5-Hydroxypentanoate
CAS No.	134848-96-7
Molecular Formula	C12H16O3
Molecular Weight	208.25 g/mol
Synonyms	5-Hydroxypentanoic Acid Benzyl Ester; Benzyl 5-Hydroxyvalerate; 5-(Benzyloxy)-5-oxopentanoic Acid (incorrect IUPAC but common); Valeric acid, 5-hydroxy-, benzyl ester; NSC 403120; Benzyl δ-Hydroxyvalerate; Pentanoic acid, 5-hydroxy-, phenylmethyl ester
EINECS	Contact for details

Quality Control

Our Benzyl 5-Hydroxypentanoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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