Description

2(3H)-Furanone,5-Butyl-5-Ethoxydihydro-4-Hydroxy-,(4R-Cis)-(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 creating complex molecular architectures. It is primarily needed by research and development teams in the pharmaceutical and fine chemical industries for applications such as chiral intermediate synthesis and flavor/fragrance development.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: Serves as a key precursor for the development of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Flavor and Fragrance Ingredient: Used in the research and production of sophisticated flavor compounds and aroma chemicals due to its lactone structure.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex heterocyclic compounds and natural product analogs.
• Asymmetric Catalyst Ligand Research: Investigated as a potential chiral ligand or scaffold in the development of novel asymmetric catalysts.
• Material Science Research: Explored as a monomer or intermediate for specialty polymers with unique properties.
• Agrochemical Intermediate: Used in the synthesis of advanced, targeted agrochemicals.

Basic Information

Product Name	2(3H)-Furanone,5-Butyl-5-Ethoxydihydro-4-Hydroxy-,(4R-Cis)-(9Ci)
CAS No.	169396-13-8
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	(4R,5S)-5-Butyl-5-ethoxy-4-hydroxydihydrofuran-2(3H)-one; 5-Butyl-5-ethoxy-4-hydroxydihydro-2(3H)-furanone, (4R-cis)-; 4-Hydroxy-5-butyl-5-ethoxydihydro-2(3H)-furanone, (4R-cis)-; cis-5-Butyl-5-ethoxy-4-hydroxytetrahydrofuran-2-one; Dihydro-5-butyl-5-ethoxy-4-hydroxy-2(3H)-furanone, (4R-cis)-; (4R,5S)-5-Butyl-5-ethoxy-4-hydroxy-tetrahydro-furan-2-one; Lactone derivative CAS 169396-13-8
EINECS	Contact for details

Quality Control

Our 2(3H)-Furanone,5-Butyl-5-Ethoxydihydro-4-Hydroxy-,(4R-Cis)-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure high chemical and stereochemical purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee (4R,5S)
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.