Description

Naphthalene, 2-Ethynyl-7-Methoxy- (9Ci) CAS NO 144269-93-2 is a specialized naphthalene derivative featuring an ethynyl and a methoxy substituent, making it a valuable building block in advanced organic synthesis. This compound is critical for researchers and manufacturers requiring a high-purity, functionalized aromatic intermediate to construct complex molecular architectures. It is primarily sought after by the pharmaceutical, agrochemical, and materials science industries for applications in drug discovery, ligand development, and the creation of novel organic electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targets requiring rigid, aromatic scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that leverage its specific substitution pattern.
• Organic Light-Emitting Diodes (OLEDs): Acts as a core building block for electron-transport materials or host materials in OLED devices due to its conjugated structure.
• Ligand Synthesis for Catalysis: Employed in the preparation of specialized ligands for transition metal catalysts used in cross-coupling and other organic transformations.
• Advanced Material Development: Utilized in creating monomers for high-performance polymers, liquid crystals, or organic semiconductors.
• Academic & Industrial R&D: A vital reagent for synthetic chemistry research in universities and corporate laboratories exploring new chemical entities.

Basic Information

Product Name	Naphthalene, 2-Ethynyl-7-Methoxy- (9Ci)
CAS No.	144269-93-2
Molecular Formula	C₁₃H₁₀O
Molecular Weight	182.22 g/mol
Synonyms	2-Ethynyl-7-methoxynaphthalene; 7-Methoxy-2-ethynylnaphthalene; 2-Ethynyl-7-methoxy-naphthalene; 2-Ethynyl-7-methoxynaphthalene (9CI); 144269-93-2; 7-Methoxy-2-naphthylacetylene; 2-(Ethynyl)-7-methoxynaphthalene
EINECS	Contact for details

Quality Control

Our Naphthalene, 2-Ethynyl-7-Methoxy- (9Ci) is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) specifying identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.