Description

9,10-Dihydro-9,10-Dihydroxy-8,8-Dimethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One CAS NO 518-76-3 is a high-purity, complex heterocyclic compound belonging to the benzodipyranone class. This specialty chemical serves as a critical advanced intermediate for synthesizing fine chemicals and active pharmaceutical ingredients (APIs). It is essential for research and development laboratories, as well as production facilities in the pharmaceutical and agrochemical sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with complex polycyclic frameworks.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its unique benzodipyranone structure.
• Organic Synthesis: Serves as a versatile precursor for creating complex natural product analogs and specialty molecules in academic and industrial R&D.
• Material Science: Potential applications in developing organic electronic materials or advanced polymers due to its fused ring system.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory compliance testing.

Basic Information

Product Name	9,10-Dihydro-9,10-Dihydroxy-8,8-Dimethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One
CAS No.	518-76-3
Molecular Formula	C₁₅H₁₆O₅
Molecular Weight	276.28 g/mol
Synonyms	9,10-Dihydro-9,10-dihydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one; 8,8-Dimethyl-9,10-dihydro-9,10-dihydroxy-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one; 9,10-Dihydroxy-9,10-dihydro-8,8-dimethylbenzo[1,2-b:3,4-b']dipyran-2(8H)-one; NSC 407347; 2H,8H-Benzo[1,2-b:3,4-b']dipyran-2-one, 9,10-dihydro-9,10-dihydroxy-8,8-dimethyl-; 518-76-3; Benzo[1,2-b:3,4-b']dipyran-2-one derivative.
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Quality Control

Our 9,10-Dihydro-9,10-Dihydroxy-8,8-Dimethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting research and production-grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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