Description

1-Bromo-5-Methoxynaphthalene is a high-purity, functionalized naphthalene derivative serving as a versatile and critical building block in advanced organic synthesis. Its value lies in providing a reactive bromine site and a methoxy directing group on the naphthalene scaffold, enabling precise molecular construction for complex target molecules. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with naphthalene-based structures, for therapeutic areas such as oncology and CNS disorders.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides where the naphthalene core contributes to biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a starting material for synthesizing electron-transporting or host materials in OLED displays and lighting.
• Ligand and Catalyst Development: Serves as a backbone for creating sophisticated ligands used in asymmetric catalysis and transition metal complexes.
• Functional Dye and Pigment Production: Intermediate for manufacturing specialized dyes, fluorescent probes, and high-performance pigments.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in cross-coupling reactions (e.g., Suzuki, Stille) and electrophilic aromatic substitution research.
• Material Science Research: Building block for organic semiconductors, conductive polymers, and other advanced organic electronic materials.

Basic Information

Product Name	1-Bromo-5-Methoxynaphthalene
CAS No.	74924-95-1
Molecular Formula	C₁₁H₉BrO
Molecular Weight	237.09 g/mol
Synonyms	5-Methoxy-1-bromonaphthalene; 1-Bromo-5-methoxynaphthalene; 5-Methoxy-1-naphthyl bromide; 1-Brom-5-methoxynaphthalin; NSC 403120; 1-Bromo-5-naphthyl methyl ether; 5-Methoxynaphthalen-1-yl bromide
EINECS	Contact for details

Quality Control

Our 1-Bromo-5-Methoxynaphthalene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the consistency and reliability required for your critical R&D and production processes.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.