Description

4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One, 2,3,9,10-Tetrahydro-5-Hydroxy-8,8-Dimethyl-2-Phenyl-, (S)- (9Ci) is a high-purity, optically active chromanone derivative of significant interest in advanced organic synthesis. This compound serves as a versatile chiral building block and a key scaffold for the development of novel molecules with specific biological activities. It is primarily sought after by pharmaceutical R&D and fine chemical sectors for the creation of potential therapeutic agents and complex specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and metabolic disorder targets.
• Asymmetric Synthesis: Utilized as a chiral auxiliary or starting material in stereoselective reactions to construct complex molecular architectures.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and the generation of compound libraries for high-throughput screening.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, including advanced flavors, fragrances, and agrochemical intermediates requiring specific stereochemistry.
• Academic & Industrial R&D: Employed in research laboratories for developing new synthetic methodologies and exploring novel chemical spaces.

Basic Information

Product Name	4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One, 2,3,9,10-Tetrahydro-5-Hydroxy-8,8-Dimethyl-2-Phenyl-, (S)- (9Ci)
CAS No.	104055-79-0
Molecular Formula	C20H20O4
Molecular Weight	324.37 g/mol
Synonyms	(S)-5-Hydroxy-8,8-dimethyl-2-phenyl-2,3,9,10-tetrahydro-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; (S)-2,3,9,10-Tetrahydro-5-hydroxy-8,8-dimethyl-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; (S)-Flavanone derivative; (S)-Chromanone derivative; (S)-2-Phenylchroman-4-one derivative; (S)-4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one, 2,3,9,10-tetrahydro-5-hydroxy-8,8-dimethyl-2-phenyl-; (S)-104055-79-0
EINECS	Contact for details

Quality Control

Our 4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One derivative is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for chiral purity and assay, to ensure it meets exacting standards for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and other critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
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.