Description

(2E,S)-2,5-Dimethyl-4-Vinyl-2,5-Hexadienal is a chiral, unsaturated aldehyde that serves as a valuable intermediate in fine chemical synthesis. Its unique structure, featuring both a vinyl group and a conjugated dienal system, makes it a versatile building block for creating complex molecules with specific stereochemistry. This compound is particularly relevant for research and development chemists in the pharmaceutical and agrochemical sectors who require high-purity, specialized intermediates. Its controlled reactivity is key for constructing advanced molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring chiral centers and specific olefin geometry.
• Agrochemical Synthesis: Serves as a key precursor for developing novel pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Acts as a building block for synthesizing complex terpenoids and other aroma chemicals due to its unsaturated aldehyde backbone.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialized polymers with unique properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Diels-Alder reactions, nucleophilic additions, and other carbon-carbon bond forming transformations.
• Chiral Catalyst Ligand Precursor: Utilized in the preparation of ligands for asymmetric catalysis.

Basic Information

Product Name	(2E,S)-2,5-Dimethyl-4-Vinyl-2,5-Hexadienal
CAS No.	19889-93-1
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	(2E,S)-2,5-Dimethyl-4-vinylhexa-2,5-dienal; (S,E)-2,5-Dimethyl-4-vinyl-2,5-hexadienal; (2E)-2,5-Dimethyl-4-vinyl-2,5-hexadienal; 4-Vinyl-2,5-dimethyl-2,5-hexadienal; (S)-2,5-Dimethyl-4-vinyl-2,5-hexadienal; (E)-2,5-Dimethyl-4-vinylhexa-2,5-dienal
EINECS	Contact for details

Quality Control

Our production of (2E,S)-2,5-Dimethyl-4-Vinyl-2,5-Hexadienal adheres to stringent quality protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including chiral HPLC, GC, NMR, and IR spectroscopy to confirm identity, isomeric purity, and chemical assay. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to maximize stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Isomeric Purity (E/Z ratio)	≥ 99:1 (E/Z)
Water Content (KF)	≤ 0.5%

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