Description

2-Ethynyl-3-Methoxypyrazine is a high-purity, specialized pyrazine derivative featuring a reactive ethynyl group. This compound is a critical aroma chemical and flavor intermediate prized for its potent organoleptic properties. It is primarily sought after by flavor and fragrance (F&F) manufacturers and research institutions developing novel sensory compounds for food, beverage, and personal care applications.

Application

• Flavor & Fragrance (F&F) Ingredient: Serves as a key building block for synthesizing complex aroma molecules with green, bell pepper, or earthy notes.
• Food & Beverage Flavoring: Used in the creation of sophisticated flavor profiles for savory snacks, sauces, and processed foods.
• Perfumery: Acts as a valuable intermediate for high-value fragrance compounds in fine perfumes and personal care products.
• Agrochemical Intermediates: Potential use in the research and synthesis of novel crop protection agents and pheromones.
• Pharmaceutical Research: Employed as a versatile synthetic intermediate in medicinal chemistry for drug discovery programs.
• Organic Synthesis: Utilized in academic and industrial R&D for constructing complex heterocyclic compounds via click chemistry or cross-coupling reactions.

Basic Information

Product Name	2-Ethynyl-3-Methoxypyrazine
CAS No.	1357945-86-8
Molecular Formula	C7H6N2O
Molecular Weight	134.14 g/mol
Synonyms	3-Methoxy-2-ethynylpyrazine; 2-Ethynyl-3-methoxypyrazine; 2-Ethynyl-3-methoxy-1,4-diazine; 3-Methoxy-2-ethynyl-1,4-diazine; 2-Ethynyl-3-methoxypyrazine (flavor grade); 2-Ethynyl-3-methoxypyrazine (aroma chemical)
EINECS	Contact for details

Quality Control

Our 2-Ethynyl-3-Methoxypyrazine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and GC-MS for identity and impurity profiling, to ensure it meets the stringent requirements of flavor and fragrance applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.