Description

2H-Pyran-2-One, 3-Ethyltetrahydro-, (R)- is a chiral lactone compound of significant interest in fine chemical synthesis. This product matters for its role as a versatile building block and chiral intermediate in the production of complex molecules. It is primarily needed by the pharmaceutical, agrochemical, and fragrance industries for research, development, and manufacturing processes.

Application

• As a key chiral intermediate in the synthesis of active pharmaceutical ingredients (APIs).
• Building block for the development of novel agrochemicals and plant protection agents.
• Precursor in the manufacture of specialty fragrances and flavoring agents.
• Starting material for advanced organic synthesis and asymmetric catalysis research.
• Intermediate for producing liquid crystals and other advanced functional materials.
• Used in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	2H-Pyran-2-One, 3-Ethyltetrahydro-, (R)-
CAS No.	73788-99-5
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	(R)-3-Ethyltetrahydro-2H-pyran-2-one; (R)-3-Ethyl-δ-valerolactone; (R)-3-Ethyl-5-methylbutyrolactone; (R)-3-Ethyl-5-methyloxan-2-one; 3-Ethyltetrahydro-2H-pyran-2-one, (R)-; (R)-3-Ethyltetrahydropyran-2-one; (R)-3-Ethyl-δ-valerolactone; (R)-3-Ethyl-5-methylbutyrolactone
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 3-Ethyltetrahydro-, (R)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent chiral integrity, meeting the stringent requirements of advanced synthesis. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request to support your quality assurance protocols.

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 acids and incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/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.