Description

(Ar)-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione is a complex, high-purity organic compound belonging to the class of dimeric naphthopyran derivatives. This compound matters as a sophisticated chemical intermediate and research-grade building block for advanced material science and pharmaceutical development. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting complex biological pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection with potential novel modes of action.
• Material Science: Acts as a monomer or cross-linking agent in the development of advanced polymers and organic electronic materials.
• Dye & Pigment Synthesis: Utilized as a core structure for creating high-performance, light-fast organic dyes and pigments.
• Chemical Biology Probe: Employed in research to study enzyme interactions or as a fluorescent tag due to its complex polycyclic structure.
• Academic & Industrial R&D: A valuable compound for fundamental research in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	(Ar)-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione
CAS No.	3692-07-7
Molecular Formula	C₃₀H₂₂O₁₀
Molecular Weight	542.49 g/mol
Synonyms	9,9'-Bi(4H-naphtho[2,3-b]pyran)-4,4'-dione, 5,5',6,6',8,8'-hexahydroxy-2,2'-dimethyl-; Hexahydroxy Dimethyl Binaphthopyrandione; Dimeric Naphthopyrandione Derivative; 2,2'-Dimethyl-5,5',6,6',8,8'-hexahydroxy-9,9'-bi-4H-naphtho[2,3-b]pyran-4,4'-dione; CAS 3692-07-7
EINECS	Contact for details

Quality Control

Our (Ar)-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements for research and process chemistry. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic and light-sensitive nature, the material should be handled under an inert atmosphere (e.g., nitrogen or argon) in a moisture-controlled environment for long-term stability.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
Residue on Ignition	≤ 0.5%

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