Description

Pyrazine, 3-(1-Hexynyl)-2,5-Dimethyl- (9Ci) is a specialized heterocyclic organic compound featuring a pyrazine core substituted with a hexynyl group and methyl groups. This unique structure makes it a valuable advanced intermediate for the synthesis of complex molecules in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, flavors, and functional materials. The compound is supplied with a CAS Number of 109191-81-3.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting CNS disorders or metabolic diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Flavor & Fragrance (F&F) Industry: Serves as a precursor for creating complex, nutty, or roasted flavor compounds due to the pyrazine moiety's characteristic sensory properties.
• Material Science: Potential monomer or ligand for constructing specialized polymers, coordination complexes, or organic electronic materials.
• Chemical Synthesis: Versatile intermediate for further functionalization via the alkyne group, enabling click chemistry, Sonogashira coupling, and other cross-coupling reactions.

Basic Information

Item	Details
Product Name	Pyrazine, 3-(1-Hexynyl)-2,5-Dimethyl- (9Ci)
CAS No.	109191-81-3
Molecular Formula	C12H16N2
Molecular Weight	188.27 g/mol
Synonyms	2,5-Dimethyl-3-(1-hexynyl)pyrazine; 3-(1-Hexyn-1-yl)-2,5-dimethylpyrazine; 2,5-Dimethyl-3-hex-1-ynylpyrazine; Pyrazine, 2,5-dimethyl-3-(1-hexynyl)-; 3-Hex-1-ynyl-2,5-dimethylpyrazine
EINECS	Contact for details

Quality Control

Our high-purity Pyrazine derivative is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to confirm identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.