Description

(S)-3-Methylhexanoic Acid CAS NO 35666-77-4 is a high-purity, single-enantiomer chiral carboxylic acid, serving as a critical building block in asymmetric synthesis. Its defined stereochemistry is essential for producing compounds with specific biological activity and desired physical properties. This intermediate is particularly valuable for the pharmaceutical, agrochemical, and specialty fragrance industries, where precise molecular configuration dictates product efficacy and performance.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), especially in the development of enantiomerically pure drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the (S)-enantiomer provides targeted biological activity.
• Flavor & Fragrance Ingredient: Employed as a precursor for creating sophisticated, high-value chiral aroma chemicals with specific olfactory profiles.
• Ligand & Catalyst Development: Serves as a starting material for synthesizing chiral ligands and organocatalysts used in asymmetric catalysis.
• Advanced Material Research: Utilized in academic and industrial R&D for constructing complex organic molecules and studying stereoselective reactions.
• Fine Chemical Production: Acts as a versatile intermediate for manufacturing other specialty chemicals requiring the (S)-3-methylhexanoic acid moiety.

Basic Information

Product Name	(S)-3-Methylhexanoic Acid
CAS No.	35666-77-4
Molecular Formula	C7H14O2
Molecular Weight	130.18 g/mol
Synonyms	(S)-3-Methylcaproic Acid; (S)-3-Methylhexanoic Acid; (3S)-3-Methylhexanoic Acid; L-3-Methylhexanoic Acid; (S)-(-)-3-Methylhexanoic Acid; 3-Methylhexanoic Acid, (S)-; Hexanoic acid, 3-methyl-, (3S)-
EINECS	Contact for details

Quality Control

Our (S)-3-Methylhexanoic Acid is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets exacting standards for enantiomeric excess and chemical purity. A Certificate of Analysis (COA) detailing identity, assay, chiral purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee (S)
Specific Rotation [α]	Contact for details
Refractive Index	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.