Description

(2R,5Sr)-(-)-2,5-Dihydro-3,6-Dimethoxy-2-Isopropyl-5-Methylpyrazine CAS NO 207923-14-6 is a high-purity chiral pyrazine derivative, a key building block in advanced organic synthesis. Its defined stereochemistry and functionalized structure make it an essential intermediate for creating complex molecules with specific biological activity. This compound is primarily needed by pharmaceutical R&D and fine chemical synthesis teams focused on developing new active ingredients and chiral ligands.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring stereochemical control.
• Asymmetric Catalysis: Serves as a precursor or ligand in the synthesis of chiral catalysts used in enantioselective chemical transformations.
• Flavor & Fragrance Chemistry: Used in the synthesis of complex, high-value aroma chemicals where specific stereoisomers are required for authentic organoleptic profiles.
• Agrochemical Research: Employed as a building block in the development of new, stereochemically-defined pesticides and herbicides.
• Academic & Industrial Research: A valuable tool for chemists exploring new synthetic methodologies, heterocyclic chemistry, and the properties of chiral nitrogen-containing compounds.
• Material Science: Potential use in the synthesis of specialized organic ligands for metal-organic frameworks (MOFs) or functional materials.

Basic Information

Product Name	(2R,5Sr)-(-)-2,5-Dihydro-3,6-Dimethoxy-2-Isopropyl-5-Methylpyrazine
CAS No.	207923-14-6
Molecular Formula	C10H18N2O2
Molecular Weight	198.26 g/mol
Synonyms	(-)-2,5-Dihydro-3,6-dimethoxy-2-isopropyl-5-methylpyrazine; (2R,5S)-2,5-Dihydro-3,6-dimethoxy-2-isopropyl-5-methylpyrazine; 2-Isopropyl-5-methyl-3,6-dimethoxy-2,5-dihydropyrazine; (R,S)-Dihydrodimethoxymethylisopropylpyrazine; Chiral Dihydrodimethoxypyrazine; Flavor Pyrazine Intermediate; 207923-14-6
EINECS	Contact for details

Quality Control

Our (2R,5Sr)-(-)-2,5-Dihydro-3,6-Dimethoxy-2-Isopropyl-5-Methylpyrazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure high enantiomeric excess (e.e.) and chemical purity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% e.e.
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%

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