Description

(R)-γ-Valerolactone CAS NO 58917-25-2 is a high-purity, chiral lactone compound serving as a critical chiral building block and intermediate in advanced organic synthesis. Its enantiomeric purity makes it indispensable for the production of optically active pharmaceuticals, agrochemicals, and fine chemicals. This product is essential for research and manufacturing in the pharmaceutical, flavor & fragrance, and specialty chemical industries where stereochemical control is paramount.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: A key starting material for the production of active pharmaceutical ingredients (APIs) requiring specific (R)-configuration.
• Agrochemical Precursor: Used in the synthesis of enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Serves as a chiral synthon for creating natural-identical flavor compounds and aroma chemicals.
• Asymmetric Catalyst Ligand Synthesis: Employed in the preparation of chiral ligands for transition metal catalysis.
• Polymer and Resin Modifier: Acts as a monomer or co-monomer for producing specialty polymers with tailored properties.
• Solvent for Specialty Applications: Utilized as a green, biodegradable solvent in high-value extraction and formulation processes.
• Academic and Industrial R&D: A valuable reagent for methodological development in organic chemistry and process optimization.

Basic Information

Product Name	(R)-γ-Valerolactone
CAS No.	58917-25-2
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	(R)-4-Hydroxypentanoic acid lactone; (R)-4-Methyl-γ-butyrolactone; (R)-γ-Valerolactone; (R)-GVL; (R)-Pantolactone; (R)-3-Methylbutyrolactone; (R)-4-Methylbutyrolactone; (R)-4-Methyl-dihydro-2(3H)-furanone
EINECS	Contact for details

Quality Control

Our (R)-γ-Valerolactone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assay by HPLC, to ensure it meets the high standards required for chiral synthesis. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.435
Specific Rotation ([α]D20)	Contact for details

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