Description

[S-(E)]-4-(2,6,6-Trimethyl-2-Cyclohexen-1-Yl)-3-Buten-2-One is a high-purity, optically active ketone derivative with a distinct molecular structure. This compound is valued for its role as a key chiral intermediate and building block in advanced organic synthesis. It is primarily sought by research and development laboratories and production facilities in the pharmaceutical, agrochemical, and fine fragrance industries for creating complex, high-value molecules.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of steroids, vitamins, and other therapeutic compounds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators where specific stereochemistry is required for bioactivity.
• Fragrance & Flavor Ingredient: Serves as a precursor for high-value aroma chemicals and flavorants, contributing to complex scent profiles in perfumery and specialty food applications.
• Organic Synthesis Research: Employed in academic and industrial R&D for methodological studies in asymmetric synthesis, catalysis, and the construction of complex natural product analogs.
• Fine Chemical Production: Acts as a specialized intermediate for manufacturing other fine chemicals and custom-synthesized materials requiring its unique structural framework.

Basic Information

Product Name	[S-(E)]-4-(2,6,6-Trimethyl-2-Cyclohexen-1-Yl)-3-Buten-2-One
CAS No.	14398-36-8
Molecular Formula	C13H20O
Molecular Weight	192.30 g/mol
Synonyms	(S,E)-4-(2,6,6-Trimethylcyclohex-2-en-1-yl)but-3-en-2-one; (S)-(E)-α-Ionone; (S,E)-α-Ionone; (4S,6E)-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one; L-α-Ionone; (S)-(-)-α-Ionone; Optically Active α-Ionone; (S)-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
EINECS	Contact for details

Quality Control

Our production of [S-(E)]-4-(2,6,6-Trimethyl-2-Cyclohexen-1-Yl)-3-Buten-2-One adheres to stringent internal quality standards to ensure batch-to-batch consistency and high optical purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, GC, and NMR spectroscopy. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Refractive Index	Contact for details
Related Substances (GC)	≤ 2.0% total

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