Description

5H-Furo[3,4-B]Pyran-5-One, 2,3,7,7A-Tetrahydro-3-Hydroxy-7-Methyl-2-(1E)-1-Propenyl-, (2S,3S,7S,7As)- (9Ci) is a high-purity, stereochemically defined chiral compound with the CAS number 684237-03-4. This molecule serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block for complex organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the research and development of new therapeutic agents, particularly in antiviral, anticancer, or anti-inflammatory drug discovery pipelines.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced, high-efficacy crop protection agents and pesticides.
• Fine Chemical Production: Serves as a specialized building block for synthesizing complex molecules used in flavors, fragrances, and electronic chemicals.
• Academic & Industrial Research: A valuable compound for methodological studies in asymmetric synthesis, catalysis, and natural product total synthesis.
• Material Science: Potential precursor for developing novel organic functional materials with specific optical or electronic properties.

Basic Information

Item	Detail
Product Name	5H-Furo[3,4-B]Pyran-5-One, 2,3,7,7A-Tetrahydro-3-Hydroxy-7-Methyl-2-(1E)-1-Propenyl-, (2S,3S,7S,7As)- (9Ci)
CAS No.	684237-03-4
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	(2S,3S,7S,7aS)-2-[(1E)-1-Propen-1-yl]-3-hydroxy-7-methyl-2,3,7,7a-tetrahydro-5H-furo[3,4-b]pyran-5-one; 5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-[(1E)-1-propen-1-yl]-, (2S,3S,7S,7aS)-; Chiral Furopyranone Derivative; Light-sensitive Furopyranone Intermediate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to guarantee identity, purity, and stereochemical integrity. Certificates of Analysis (COA) are available upon request, detailing batch-specific results for all critical parameters.

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). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

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

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