Description

5-Hydroxypentanoic Acid Methyl Ester is a versatile bifunctional chemical intermediate featuring both a hydroxyl and an ester group. This compound is valued for its role in organic synthesis, particularly in the production of lactones, polymers, and fine chemicals. It serves as a critical building block for R&D and manufacturing in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and prodrugs.
• Lactone Synthesis: Serves as a direct precursor for the production of δ-valerolactone and other cyclic esters.
• Polymer & Resin Production: Used as a monomer or co-monomer in creating biodegradable polyesters and specialty resins.
• Agrochemical Synthesis: Intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Flavor & Fragrance Industry: Building block for the synthesis of aroma chemicals and flavoring agents.
• Crosslinking Agent: Utilized in coatings and adhesive formulations to modify properties and enhance performance.
• Organic Synthesis Reagent: Employed in academic and industrial research for constructing complex molecular architectures.

Basic Information

Product Name	5-Hydroxypentanoic Acid Methyl Ester
CAS No.	14273-92-8
Molecular Formula	C6H12O3
Molecular Weight	132.16 g/mol
Synonyms	Methyl 5-hydroxypentanoate; Methyl 5-hydroxyvalerate; 5-Hydroxyvaleric acid methyl ester; δ-Hydroxyvaleric acid methyl ester; Methyl δ-hydroxypentanoate; 5-Hydroxypentanoic acid, methyl ester; Methyl 5-hydroxypentanoate; Methyl 5-oxypentanoate
EINECS	Contact for details

Quality Control

Our 5-Hydroxypentanoic Acid Methyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to guarantee compliance with your specific requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.435 - 1.445
Density (20°C)	1.05 - 1.10 g/mL

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