Description

Pyrazine, 2,5-Dimethyl-3-(1-Pentenyl)-, (E)- (9Ci) is a specialized alkyl-substituted pyrazine derivative, a class of compounds renowned for their potent organoleptic properties. This compound serves as a high-value building block and flavor/fragrance intermediate, prized for its ability to impart unique roasted, nutty, or green sensory notes. It is primarily sought by manufacturers in the flavor & fragrance, food ingredient, and advanced organic synthesis sectors for creating sophisticated aroma profiles and complex chemical architectures.

Application

• Flavor & Fragrance (F&F) Industry: As a key aroma chemical for creating and enhancing complex flavor profiles in savory applications, roasted nuts, coffee, and meat products.
• Food Ingredient Manufacturing: Used in the synthesis of reaction flavors and process flavorings to develop authentic cooked or roasted notes in prepared foods and snacks.
• Fine Fragrance & Perfumery: Employed as a fragrance ingredient to add unique green, earthy, or pyrazine-type accents to high-end perfume compositions.
• Organic Synthesis & Pharmaceutical Intermediates: Acts as a versatile chemical building block for synthesizing more complex heterocyclic compounds in medicinal chemistry research.
• Agrochemical Research: Investigated as a potential intermediate or active component in the development of novel crop protection agents.

Basic Information

Product Name	Pyrazine, 2,5-Dimethyl-3-(1-Pentenyl)-, (E)- (9Ci)
CAS No.	143901-57-9
Molecular Formula	C11H16N2
Molecular Weight	176.26 g/mol
Synonyms	(E)-2,5-Dimethyl-3-(1-pentenyl)pyrazine; (E)-2,5-Dimethyl-3-(pent-1-en-1-yl)pyrazine; 3-(1-Pentenyl)-2,5-dimethylpyrazine, (E)-; trans-2,5-Dimethyl-3-(1-pentenyl)pyrazine; FEMA 4518; Pyrazine, 2,5-dimethyl-3-(1-pentenyl)-, (E)-; Flavor and Extract Manufacturers Association Number 4518
EINECS	Contact for details

Quality Control

Our production of Pyrazine, 2,5-Dimethyl-3-(1-Pentenyl)-, (E)- (9Ci) adheres to stringent quality management protocols. Every batch is analyzed using advanced techniques like GC, GC-MS, and NMR to ensure high chemical purity, correct isomeric form (E-configuration), and organoleptic consistency. Certificates of Analysis (COA) detailing identity, purity, and specific impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance needs.

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 strong oxidizing agents and heat sources. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (GC-MS)	Conforms to reference
Assay (GC)	≥ 97.0% (Area %)
Isomeric Purity ((E)-isomer)	≥ 98.0%
Refractive Index (20°C)	Contact for details
Specific Gravity (20°C)	Contact for details

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