Description

3-Methylbutanoic Acid (8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-Methylethyl)-2-Oxo-2H-Furo[2,3-H]-1-Benzopyran-9-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry, making it a valuable chiral building block for advanced chemical synthesis. Its intricate fused-ring structure is critical for researchers and manufacturers requiring precise molecular architecture in their final products. This compound is primarily utilized in the pharmaceutical and fine chemical industries for the development of active ingredients and specialty intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for complex target molecules.
• Fine Chemical Synthesis: Used as a specialized building block in multi-step organic synthesis for creating fragrances, flavors, and other high-value specialty chemicals.
• Asymmetric Catalysis Research: Acts as a substrate or ligand precursor in academic and industrial research focused on developing new stereoselective reactions.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation in pharmaceutical analysis.
• Material Science Research: Investigated as a monomer or precursor for synthesizing novel polymers with specific optical or mechanical properties.

Basic Information

Product Name	3-Methylbutanoic Acid (8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-Methylethyl)-2-Oxo-2H-Furo[2,3-H]-1-Benzopyran-9-Yl Ester
CAS No.	31456-93-6
Molecular Formula	C19H22O6
Molecular Weight	346.38 g/mol
Synonyms	(8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-methylethyl)-2-oxo-2H-furo[2,3-h]-1-benzopyran-9-yl 3-methylbutanoate; 3-Methylbutyric Acid (8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-Methylethyl)-2-Oxo-2H-Furo[2,3-H]Chromen-9-Yl Ester; Isovaleric Acid (8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-Methylethyl)-2-Oxo-2H-Furo[2,3-H]-1-Benzopyran-9-Yl Ester; Furocoumarin Ester Derivative; (8S,9R)-Khellactone 3-Methylbutanoate Ester
EINECS	Contact for details

Quality Control

Our 3-Methylbutanoic Acid (8S,9R)-8,9-Dihydro-8-(1-Hydroxy-1-Methylethyl)-2-Oxo-2H-Furo[2,3-H]-1-Benzopyran-9-Yl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral assay, to ensure identity, strength, and composition. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and compliance with your research or cGMP-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.