Description

4H-Naphtho[1,2-B]Pyran-4-One, 7-Bromo- is a high-purity, brominated heterocyclic organic compound that serves as a critical synthetic intermediate and building block in advanced chemical research and development. Its unique fused-ring structure, functionalized with a bromine atom, makes it a versatile precursor for constructing complex molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries, where it is used to develop novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of compounds with potential therapeutic activity.
• Agrochemical Research: Used in the creation of new active ingredients for crop protection products, such as herbicides and fungicides.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for the synthesis of specialized organic semiconductors and emissive layer materials.
• Dye and Pigment Synthesis: Serves as an intermediate in the production of advanced colorants and functional dyes.
• Material Science: Utilized in the development of novel polymers and advanced organic materials with specific optical or electronic properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and catalysis.

Basic Information

Product Name	4H-Naphtho[1,2-B]Pyran-4-One, 7-Bromo-
CAS No.	882687-75-4
Molecular Formula	C₁₆H₉BrO₂
Molecular Weight	313.15 g/mol
Synonyms	7-Bromo-4H-naphtho[1,2-b]pyran-4-one; 7-Bromonaphtho[1,2-b]pyran-4-one; 7-Bromo-4H-benzo[f]chromen-4-one; 7-Bromobenzo[f]chromen-4-one; 7-Bromo-4H-naphtho[1,2-b]pyranone; 7-Bromonaphthopyranone; 882687-75-4
EINECS	Contact for details

Quality Control

Our 4H-Naphtho[1,2-B]Pyran-4-One, 7-Bromo- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our commitment to quality ensures a reliable supply of this high-value intermediate for your most demanding R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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