Description

[S,(-)]-4,21,21-Trimethyldocosane-2-One CAS NO 18607-44-8 is a high-purity, chiral ketone compound characterized by its specific stereochemistry and long hydrocarbon chain. This compound serves as a valuable advanced intermediate and building block in sophisticated organic syntheses, where its defined stereocenter is critical for producing enantiomerically pure target molecules. It is primarily needed by pharmaceutical R&D and fine chemical sectors for applications in drug discovery, chiral catalyst development, and the synthesis of complex natural products.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs) and investigational new drugs.
• Asymmetric Synthesis: Employed as a building block for constructing complex molecules with high enantiomeric purity in medicinal chemistry.
• Liquid Crystal & Advanced Material Research: Used in the development of novel organic materials and liquid crystal compounds due to its long alkyl chain structure.
• Fragrance & Flavor Chemistry: Serves as a potential intermediate for synthesizing macrocyclic musk analogs and other specialty aroma chemicals.
• Agrochemical Research: Investigated as an intermediate for novel, biologically active compounds in crop protection.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	[S,(-)]-4,21,21-Trimethyldocosane-2-One
CAS No.	18607-44-8
Molecular Formula	C₂₅H₅₀O
Molecular Weight	366.67 g/mol
Synonyms	(S)-4,21,21-Trimethyldocosan-2-one; (-)-4,21,21-Trimethyldocosane-2-One; (4S)-4,21,21-Trimethyldocosan-2-one; L-4,21,21-Trimethyldocosane-2-One; (S)-(-)-4,21,21-Trimethyldocosane-2-One; 2-Docosanone, 4,21,21-trimethyl-, (4S)-; 18607-44-8
EINECS	Contact for details

Quality Control

Our [S,(-)]-4,21,21-Trimethyldocosane-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess 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. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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