Description

Pyrazine, 3-Methyl-5-(1-Methylethyl)-2-(Methylthio)- (9Ci) is a specialized heterocyclic compound belonging to the alkylthio-substituted pyrazine class, valued for its unique organoleptic and chemical properties. This compound is a key building block and flavor/aroma modifier in high-value synthesis, offering distinct sulfurous and roasted notes. It is primarily sought after by R&D chemists and production specialists in the flavor & fragrance, pharmaceutical, and agrochemical industries for creating complex sensory profiles and advanced intermediates.

Application

• Flavor & Fragrance Industry: A crucial component for imparting savory, roasted, nutty, or meaty notes in reaction flavors, savory enhancers, and high-end fragrance compositions.
• Pharmaceutical Intermediates: Serves as a sophisticated synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring substituted pyrazine cores.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its specific structure contributes to biological activity.
• Organic Synthesis & Research: Acts as a versatile building block in academic and industrial research for constructing complex heterocyclic systems and functional materials.
• Food Technology: Employed in the development of processed food flavors, especially for creating authentic cooked meat, coffee, or cocoa profiles.

Basic Information

Product Name	Pyrazine, 3-Methyl-5-(1-Methylethyl)-2-(Methylthio)- (9Ci)
CAS No.	99784-22-2
Molecular Formula	C9H14N2S
Molecular Weight	182.28 g/mol
Synonyms	2-(Methylthio)-3-methyl-5-(1-methylethyl)pyrazine; 3-Methyl-5-isopropyl-2-(methylthio)pyrazine; 5-Isopropyl-3-methyl-2-(methylthio)pyrazine; 2-Methylthio-3-methyl-5-isopropylpyrazine; FEMA 4186; Pyrazine, 2-(methylthio)-3-methyl-5-(1-methylethyl)-; 2-Methylmercapto-3-methyl-5-isopropylpyrazine
EINECS	Contact for details

Quality Control

Every batch of our Pyrazine, 3-Methyl-5-(1-Methylethyl)-2-(Methylthio)- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed chromatographic data (GC/HPLC), to ensure identity, purity, and consistency meet your precise R&D or production requirements. Our quality protocols are designed to support compliance in flavor (FEMA), pharmaceutical, and other regulated applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere for long-term storage or after opening to maintain stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.520 - 1.530
Specific Gravity (20°C)	1.020 - 1.050

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