Description

4H-Pyran-4-One,2,3-Dihydro-2-Methyl-,(2S)-(9Ci) is a specific stereoisomer of a dihydropyranone derivative, a valuable chiral building block in synthetic organic chemistry. This compound matters for its role in constructing complex molecular architectures with precise stereochemical control, which is critical for developing active pharmaceutical ingredients (APIs) and advanced materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for asymmetric synthesis and medicinal chemistry programs. The product is supplied under high-purity conditions to ensure reliable performance in sensitive reactions.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the asymmetric synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel pesticides and herbicides where specific stereochemistry influences biological activity.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex natural products, flavors, and fragrances.
• Academic & Industrial R&D: Employed in methodological studies and catalysis research for developing new synthetic routes.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or organic electronic materials with tailored properties.

Basic Information

Product Name	4H-Pyran-4-One,2,3-Dihydro-2-Methyl-,(2S)-(9Ci)
CAS No.	190912-15-3
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	(2S)-2-Methyl-2,3-dihydro-4H-pyran-4-one; (S)-2-Methyl-2,3-dihydro-4H-pyran-4-one; 2,3-Dihydro-2-methyl-4H-pyran-4-one, (2S)-; 190912-15-3; (S)-2-Methyl-4-oxo-3,4-dihydro-2H-pyran; (2S)-2-Methyl-3,4-dihydro-2H-pyran-4-one; (S)-2-Methyl-2,3-dihydropyran-4-one
EINECS	Contact for details

Quality Control

Our 4H-Pyran-4-One,2,3-Dihydro-2-Methyl-,(2S)-(9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and development applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting identity, purity, and enantiomeric excess. We support cGMP and ISO compliant documentation for advanced applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 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.