Description

2-Pentanone, 3,4,4-Trimethyl-, (S)- (9Ci) is a chiral, branched-chain ketone of significant interest in fine chemical synthesis. This compound matters for its role as a versatile chiral building block and intermediate in the production of complex molecules. It is needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where its unique structure imparts specific biological activity.
• Flavor and Fragrance Ingredient: Acts as a potential intermediate for creating complex, high-value aroma chemicals due to its ketone functionality and branched alkyl chain.
• Organic Synthesis Reagent: Employed in academic and industrial R&D laboratories for asymmetric synthesis, cross-coupling reactions, and the construction of complex organic frameworks.
• Specialty Polymer Modifier: Can be utilized as a monomer or co-monomer in the development of specialty polymers with tailored properties.
• Solvent for Specialty Applications: Its specific volatility and solvating power make it suitable for niche applications in coatings and formulation chemistry.

Basic Information

Product Name	2-Pentanone, 3,4,4-Trimethyl-, (S)- (9Ci)
CAS No.	133524-14-8
Molecular Formula	C8H16O
Molecular Weight	128.21 g/mol
Synonyms	(S)-3,4,4-Trimethylpentan-2-one; (S)-3,4,4-Trimethyl-2-pentanone; L-3,4,4-Trimethyl-2-pentanone; (S)-(-)-3,4,4-Trimethyl-2-pentanone; 2-Pentanone, 3,4,4-trimethyl-, (S)-; 3,4,4-Trimethyl-2-pentanone, (S)-; (S)-3,4,4-Trimethylpentan-2-one (9CI)
EINECS	Contact for details

Quality Control

Our 2-Pentanone, 3,4,4-Trimethyl-, (S)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain purity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Chiral Purity (Chiral GC/HPLC)	≥ 98.0% ee (S-enantiomer)
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.410 - 1.420
Specific Rotation ([α]D20)	Contact for details

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