Description

2,3-Dihydro-3,6,9-Trimethylnaphtho[1,8-Bc]Pyran-7,8-Dione is a specialized organic compound belonging to the naphthopyranone class, identified by CAS number 5090-87-9. This chemical serves as a critical synthetic intermediate and functional material, valued for its unique fused-ring quinone structure. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors for developing novel active ingredients and functional dyes.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its complex heterocyclic core.
• Organic Synthesis: Acts as a versatile precursor for synthesizing more complex polycyclic compounds and functionalized quinones in academic and industrial R&D.
• Material Science: Investigated for use in the development of organic semiconductors, photoactive materials, and specialized dyes due to its electron-accepting properties.
• Biochemical Research: Employed in studies exploring quinone-based redox chemistry and its interactions with biological systems.

Basic Information

Product Name	2,3-Dihydro-3,6,9-Trimethylnaphtho[1,8-Bc]Pyran-7,8-Dione
CAS No.	5090-87-9
Molecular Formula	C₁₆H₁₄O₃
Molecular Weight	254.28 g/mol
Synonyms	3,6,9-Trimethyl-2,3-dihydronaphtho[1,8-bc]pyran-7,8-dione; 3,6,9-Trimethyl-2,3-dihydronaphtho[1,8-bc]pyran-7,8-dione; Naphtho[1,8-bc]pyran-7,8-dione, 2,3-dihydro-3,6,9-trimethyl-; 3,6,9-Trimethyl-2,3-dihydronaphtho[1,8-bc]pyran-7,8-dione; 5090-87-9; Trimethylnaphthopyrandione
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-3,6,9-Trimethylnaphtho[1,8-Bc]Pyran-7,8-Dione is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets precise customer specifications and high-purity standards for research and development. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). Due to its light-sensitive nature and propensity to be easily oxidized, prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.