Description

4H-Cyclopenta[C]Furan-4-Acetic Acid, 5,6-Dihydro-5,6-Dihydroxy-, Methyl Ester, (4S,5R,6S)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. This compound matters because its unique fused cyclopentafuran structure, coupled with multiple functional groups, makes it a versatile precursor for constructing complex molecular architectures. Pharmaceutical and agrochemical research organizations need this intermediate for the development of novel active ingredients, particularly where specific stereochemistry is critical for biological activity.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new drug candidates, especially for complex small-molecule therapeutics.
• Agrochemical Synthesis: Used in the creation of advanced, stereoselective pesticides and herbicides where specific isomer activity is required.
• Chemical Research: Serves as a sophisticated starting material or intermediate in academic and industrial laboratories for methodology development and total synthesis projects.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Material Science Precursor: Potential use in the synthesis of specialized monomers or ligands for advanced polymeric or coordination compounds.

Basic Information

Item	Detail
Product Name	4H-Cyclopenta[C]Furan-4-Acetic Acid, 5,6-Dihydro-5,6-Dihydroxy-, Methyl Ester, (4S,5R,6S)- (9Ci)
CAS No.	752225-58-4
Molecular Formula	C10H12O5
Molecular Weight	212.20 g/mol
Synonyms	(4S,5R,6S)-5,6-Dihydro-5,6-dihydroxy-4H-cyclopenta[c]furan-4-acetic acid methyl ester; Methyl (4S,5R,6S)-5,6-dihydro-5,6-dihydroxy-4H-cyclopenta[c]furan-4-acetate; 4H-Cyclopenta[c]furan-4-acetic acid, 5,6-dihydro-5,6-dihydroxy-, methyl ester, (4S,5R,6S)-; (4S,5R,6S)-rel-5,6-Dihydro-5,6-dihydroxy-4H-cyclopenta[c]furan-4-acetic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 4H-Cyclopenta[C]Furan-4-Acetic Acid, 5,6-Dihydro-5,6-Dihydroxy-, Methyl Ester, (4S,5R,6S)- (9Ci) adheres to stringent quality protocols suitable for advanced synthetic intermediates. Every batch undergoes rigorous analytical testing, including HPLC for purity and chiral assay, NMR for structural confirmation, and specific optical rotation measurement to guarantee stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Specific Optical Rotation	Provided on COA
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.