Description

Pentanoic Acid, 2-Hydroxy-, 1,1-Dimethylethyl Ester, (2R)- is a high-purity chiral intermediate of significant value in advanced organic synthesis. This compound matters for its role in constructing complex molecules with precise stereochemistry, which is critical for developing active pharmaceutical ingredients (APIs) and fine chemicals. Industries requiring enantiomerically pure building blocks, such as pharmaceutical R&D, agrochemical manufacturing, and specialty chemical production, are the primary users of this material.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides and herbicides.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent for methodological development in asymmetric synthesis and catalysis studies.
• Ligand and Catalyst Preparation: Utilized in the synthesis of chiral ligands for asymmetric catalysis.

Basic Information

Product Name	Pentanoic Acid, 2-Hydroxy-, 1,1-Dimethylethyl Ester, (2R)-
CAS No.	2097878-69-6
Molecular Formula	C9H18O3
Molecular Weight	174.24 g/mol
Synonyms	(2R)-2-Hydroxypentanoic Acid tert-Butyl Ester; (R)-2-Hydroxyvaleric Acid tert-Butyl Ester; tert-Butyl (R)-2-Hydroxypentanoate; (R)-tert-Butyl 2-Hydroxypentanoate; (R)-2-Hydroxy-pentanoic Acid 1,1-Dimethylethyl Ester; (R)-2-Hydroxyvalerate tert-Butyl Ester; (2R)-2-Hydroxyvaleric Acid tert-Butyl Ester
EINECS	Contact for details

Quality Control

Our Pentanoic Acid, 2-Hydroxy-, 1,1-Dimethylethyl Ester, (2R)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are available upon request.

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 incompatible materials such as strong acids and oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 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.