Description

Pyridine, 3-Ethynyl-, 1-Oxide is a specialized heterocyclic building block featuring a pyridine N-oxide core with an ethynyl substituent. This unique structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and material science industries for applications in medicinal chemistry, ligand synthesis, and the development of functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in oncology and neurology research.
• Agrochemical Synthesis: Used in the development of new generation herbicides, fungicides, and plant growth regulators.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the synthesis of conductive polymers, metal-organic frameworks (MOFs), and other advanced functional materials.
• Chemical Biology Probes: Useful for creating tagged molecules and probes for studying biological systems and enzyme mechanisms.
• Academic & Industrial R&D: A critical reagent for exploratory synthetic chemistry in both university laboratories and corporate R&D centers.

Basic Information

Product Name	Pyridine, 3-Ethynyl-, 1-Oxide
CAS No.	49836-11-5
Molecular Formula	C7H5NO
Molecular Weight	119.12 g/mol
Synonyms	3-Ethynylpyridine 1-Oxide; 3-Ethynylpyridine N-Oxide; 1-Oxido-3-ethynylpyridin-1-ium; 3-Ethynyl-1-oxidopyridin-1-ium; 3-Ethynylpyridine Oxide; Pyridine N-Oxide, 3-ethynyl-
EINECS	Contact for details

Quality Control

Our Pyridine, 3-Ethynyl-, 1-Oxide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports cGMP and ISO standards for reliable supply to regulated industries.

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	Off-white to light yellow 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%

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