Description

2H-Pyran-2-One, 3-Acetyl-5,6-Dihydro-4-Hydroxy-6-Methyl-, (S)- (9Ci) is a high-purity, chiral lactone derivative of significant interest in advanced organic synthesis. This compound matters as a versatile and stereochemically defined building block for the development of complex molecules, particularly in the pharmaceutical sector. It is primarily needed by research and development teams in the fine chemical, pharmaceutical, and agrochemical industries for use as a key intermediate in the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds with complex lactone or pyranone core structures.
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex natural product analogs and other high-value fine chemicals requiring specific stereochemistry.
• Agrochemical Research: Acts as a potential intermediate in the development of novel herbicides, fungicides, or plant growth regulators that leverage its unique heterocyclic framework.
• Flavor & Fragrance Precursor: May be utilized in the synthesis of sophisticated lactone-based aroma compounds, contributing to complex flavor and fragrance profiles.
• Material Science Research: Investigated as a monomer or precursor for the synthesis of specialized polymers with potential applications in biodegradable materials or functional coatings.

Basic Information

Product Name	2H-Pyran-2-One, 3-Acetyl-5,6-Dihydro-4-Hydroxy-6-Methyl-, (S)- (9Ci)
CAS No.	154623-26-4
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	(S)-3-Acetyl-5,6-dihydro-4-hydroxy-6-methyl-2H-pyran-2-one; (S)-3-Acetyldihydro-4-hydroxy-6-methyl-2H-pyran-2-one; 3-Acetyl-5,6-dihydro-4-hydroxy-6-methyl-2H-pyran-2-one, (S)-; 4-Hydroxy-6-methyl-3-acetyl-5,6-dihydro-2H-pyran-2-one, (S)-; Dihydro-4-hydroxy-6-methyl-3-acetyl-2H-pyran-2-one, (S)-; (S)-Dehydroacetic acid derivative; (S)-DHA lactone derivative
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 3-Acetyl-5,6-Dihydro-4-Hydroxy-6-Methyl-, (S)- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and hygroscopic; therefore, containers should be kept sealed under an inert atmosphere when not in use to maintain stability and purity.

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% ee (S-enantiomer)
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.