Description

(5R,6S)-5-Hydroxy-5,6-Dihydro-6-Methyl-2H-Pyran-2-One CAS NO 54826-92-5 is a high-purity chiral lactone compound that serves as a critical synthetic intermediate and building block in advanced organic synthesis. Its defined stereochemistry and functionalized pyranone structure make it invaluable for constructing complex molecules with precise three-dimensional architecture. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates, particularly in antibiotic and antiviral research.
• Agrochemical Synthesis: Used in the development of novel, stereospecific pesticides and herbicides where biological activity is conformation-dependent.
• Fine Chemical Production: Serves as a versatile building block for fragrances, flavors, and other high-value specialty chemicals requiring specific stereochemistry.
• Academic & Industrial R&D: A valuable reagent for methodological studies in asymmetric synthesis and catalysis.
• Material Science Precursor: Potential use in the synthesis of chiral polymers or advanced organic frameworks with specific optical properties.

Basic Information

Product Name	(5R,6S)-5-Hydroxy-5,6-Dihydro-6-Methyl-2H-Pyran-2-One
CAS No.	54826-92-5
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	(5R,6S)-5-Hydroxy-6-methyl-5,6-dihydro-2H-pyran-2-one; 6-Methyl-5,6-dihydro-5-hydroxy-2H-pyran-2-one; (5R,6S)-6-Methyl-5,6-dihydro-5-hydroxy-2H-pyran-2-one; 5-Hydroxy-6-methyl-5,6-dihydro-2H-pyran-2-one; Dihydro-5-hydroxy-6-methyl-2H-pyran-2-one; (5R,6S)-Lactone of 5-hydroxy-6-methyl-5,6-dihydropyran-2-one
EINECS	Contact for details

Quality Control

Our (5R,6S)-5-Hydroxy-5,6-Dihydro-6-Methyl-2H-Pyran-2-One is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We offer material suitable for research and development applications, with specifications tailored to meet project-specific requirements. Certificates of Analysis (COA) documenting identity, purity, and chiral purity are available for all batches upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
Loss on Drying	≤ 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.