Description

(9R)-8,8-Dimethyl-9α,10β-Dihydroxy-9,10-Dihydro-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One is a high-purity, optically active dihydrobenzopyranone derivative. This compound is valued for its defined stereochemistry and serves as a critical chiral building block and reference standard in advanced chemical synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly for compounds requiring specific stereocenters.
• Reference Standard: Used as a high-purity analytical standard for method development, validation, and quality control in pharmaceutical and chemical analysis.
• Organic Synthesis Building Block: Employed in asymmetric synthesis and total synthesis projects to construct complex natural products or specialized organic frameworks.
• Biochemical Research: Potential use as a tool compound or precursor in studying biological pathways and enzyme interactions due to its specific molecular architecture.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals where precise stereochemical control is essential for product performance.

Basic Information

Product Name	(9R)-8,8-Dimethyl-9α,10β-Dihydroxy-9,10-Dihydro-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One
CAS No.	23458-04-0
Molecular Formula	C15H16O5
Molecular Weight	276.28 g/mol
Synonyms	(9R)-8,8-Dimethyl-9α,10β-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one; (9R)-8,8-Dimethyl-9,10-dihydro-9,10-dihydroxy-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one; (R)-8,8-Dimethyl-9α,10β-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one; Dihydrobenzopyranone derivative; CAS 23458-04-0
EINECS	Contact for details

Quality Control

Our (9R)-8,8-Dimethyl-9α,10β-Dihydroxy-9,10-Dihydro-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure compliance with research and pharmaceutical-grade standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 is light-sensitive; ensure containers are opaque or stored in dark conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white 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	≤ 10 ppm

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