Description

Pentanoic Acid, 5-Hydroxy-, 1,1-Dimethylethyl Ester is a specialty organic ester compound, also known as tert-Butyl 5-hydroxypentanoate. This chemical serves as a valuable protected intermediate in advanced organic synthesis, offering controlled reactivity for the construction of complex molecules. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a protected hydroxypentanoic acid moiety.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and specialty polymers where specific ester functionality is required.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for constructing complex organic molecules, leveraging the tert-butyl ester as a protecting group for carboxylic acids.
• Material Science Research: Investigated as a monomer or modifying agent in the development of specialized polymeric materials with tailored properties.

Basic Information

Product Name	Pentanoic Acid, 5-Hydroxy-, 1,1-Dimethylethyl Ester
CAS No.	91420-49-4
Molecular Formula	C9H18O3
Molecular Weight	174.24 g/mol
Synonyms	tert-Butyl 5-hydroxypentanoate; 5-Hydroxypentanoic acid tert-butyl ester; 1,1-Dimethylethyl 5-hydroxypentanoate; tert-Butyl 5-hydroxyvalerate; 5-Hydroxyvaleric acid tert-butyl ester; Butanoic acid, 4-hydroxy-, 1,1-dimethylethyl ester (related); tert-Butyl ester of 5-hydroxypentanoic acid
EINECS	Contact for details

Quality Control

Our Pentanoic Acid, 5-Hydroxy-, 1,1-Dimethylethyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and synthesis applications. A Certificate of Analysis (COA) detailing specific results for purity, assay, and impurity profiles is provided with every shipment.

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 acids and oxidizing agents. The container should be kept tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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