Description

3,4,8,10-Tetramethoxy[2]Benzopyrano[4,3-B][1]Benzopyran-7(5H)-One is a complex heterocyclic organic compound belonging to the benzopyranone class, characterized by its fused ring system and methoxy substituents. This compound serves as a valuable advanced pharmaceutical intermediate and a key synthetic building block for the development of novel bioactive molecules. It is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for applications in drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used as a core scaffold for developing new pesticides or herbicides with specific modes of action.
• Fine Chemical Synthesis: Serves as a versatile building block for creating specialty chemicals, dyes, and functional materials.
• Academic & R&D: Employed in university and corporate research laboratories for studying structure-activity relationships (SAR) and heterocyclic chemistry.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	3,4,8,10-Tetramethoxy[2]Benzopyrano[4,3-B][1]Benzopyran-7(5H)-One
CAS No.	17277-00-8
Molecular Formula	C₂₁H₂₀O₇
Molecular Weight	384.38 g/mol
Synonyms	3,4,8,10-Tetramethoxy[2]benzopyrano[4,3-b][1]benzopyran-7(5H)-one; 3,4,8,10-Tetramethoxy-5H-[1]benzopyrano[4,3-b][1]benzopyran-7-one; 5H-[1]Benzopyrano[4,3-b][1]benzopyran-7-one, 3,4,8,10-tetramethoxy-; NSC 407347; Tetramethoxybenzopyranobenzopyranone; Fused benzopyranone derivative
EINECS	Contact for details

Quality Control

Our 3,4,8,10-Tetramethoxy[2]Benzopyrano[4,3-B][1]Benzopyran-7(5H)-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS). We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your research or production specifications. Custom purity grades, including research and pharmaceutical intermediate standards, are available.

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 away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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