Description

2(5H)-Furanone,4-Hydroxy-3-Methyl-5-(1-Methylethyl)-,(R)-(9Ci) is a high-purity, optically active furanone derivative, a key chiral building block valued for its unique lactone structure. This compound is critical for synthesizing complex molecules where stereochemistry and functional group compatibility are paramount. It is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for applications in asymmetric synthesis and the development of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a versatile chiral synthon in the research and development of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Used as a key starting material or reagent in stereoselective chemical reactions to construct complex molecular architectures.
• Fine Chemical Production: Employed in the synthesis of specialty chemicals, including flavors, fragrances, and advanced materials requiring specific stereochemistry.
• Academic & Industrial Research: A valuable compound for methodological development in organic chemistry and catalysis studies within R&D laboratories.
• Agrochemical Synthesis: Potential intermediate in the development of chiral pesticides or herbicides where biological activity is enantiomer-specific.

Basic Information

Product Name	2(5H)-Furanone,4-Hydroxy-3-Methyl-5-(1-Methylethyl)-,(R)-(9Ci)
CAS No.	176909-74-3
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	(R)-4-Hydroxy-3-methyl-5-(1-methylethyl)-2(5H)-furanone; (R)-4-Hydroxy-3-methyl-5-isopropyl-2(5H)-furanone; (R)-4-Hydroxy-3-methyl-5-isopropylfuran-2(5H)-one; (R)-Pantolactone; (R)-Pantoyl lactone; (R)-3-Hydroxy-4,4-dimethyl-dihydrofuran-2(3H)-one (related isomer); D-(-)-Pantolactone
EINECS	Contact for details

Quality Control

Every batch of our 2(5H)-Furanone,4-Hydroxy-3-Methyl-5-(1-Methylethyl)-,(R)-(9Ci) undergoes rigorous analytical testing to ensure it meets the high standards required for research and synthesis. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as chiral purity (enantiomeric excess), chemical purity, and identity confirmation. Our quality management system is designed to support cGMP and ISO guidelines for traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. The material is easily oxidized and should be handled under an inert atmosphere to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
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.