Description

2H-Furo[3,4-B]Pyran-2,5(7H)-Dione,7-Ethyl-4-Methoxy-,(7S)-(9Ci) is a high-purity, chiral organic compound with significant utility in advanced chemical synthesis. This molecule serves as a critical chiral building block or intermediate for the development of complex pharmaceuticals and fine chemicals, where stereochemical control is paramount. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for process development and active ingredient synthesis.

Application

This specialized chiral intermediate is designed for high-value synthetic applications, including:

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) or metabolic disorder targets.
• Asymmetric Synthesis: Employed as a starting material or precursor in catalytic asymmetric reactions to construct complex molecular architectures with high enantiomeric purity.
• Fine Chemical Production: Used in the multi-step synthesis of advanced agrochemicals, flavors, fragrances, and other performance chemicals requiring specific stereochemistry.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and for contract research organizations (CROs) developing custom synthetic routes for clients.
• Process Chemistry & Scale-Up: Serves as a defined intermediate for process optimization and scale-up activities from laboratory to pilot plant and commercial manufacturing.

Basic Information

Product Name	2H-Furo[3,4-B]Pyran-2,5(7H)-Dione,7-Ethyl-4-Methoxy-,(7S)-(9Ci)
CAS No.	628302-58-9
Molecular Formula	C₁₀H₁₂O₅
Molecular Weight	212.20 g/mol
Synonyms	(7S)-7-Ethyl-4-methoxy-2H,5H,7H-furo[3,4-b]pyran-2,5-dione; 7-Ethyl-4-methoxy-2H-furo[3,4-b]pyran-2,5(7H)-dione, (7S)-; (S)-7-Ethyl-4-methoxy-2H-furo[3,4-b]pyran-2,5(7H)-dione; Chiral Furopyrandione Derivative; Ethyl Methoxy Furopyrandione; (7S)-Enantiomer of CAS 628302-58-9
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as chiral purity (enantiomeric excess), chemical purity (HPLC), and identity confirmation. We employ advanced analytical techniques including chiral HPLC, NMR, and MS to validate specifications. Quality management is aligned with cGMP principles where applicable for pharmaceutical-grade material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be sensitive to moisture and prolonged exposure to air; therefore, containers should be kept sealed under an inert atmosphere after opening for optimal long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 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.