Description

(S)-(+)-3-Methylpentanoic Acid is a high-purity chiral carboxylic acid, specifically the (S)-enantiomer of 3-methylpentanoic acid. This compound is a valuable chiral building block and intermediate in the synthesis of complex molecules, offering precise stereochemical control. It is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where the specific spatial arrangement of atoms is critical for biological activity and material properties.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of drugs targeting the central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the production of chiral pesticides, herbicides, and fungicides, where the (S)-configuration can enhance efficacy and reduce environmental impact.
• Flavor and Fragrance Ingredient: Serves as a precursor for the synthesis of esters and other compounds that contribute to specific, high-value flavor and aroma profiles.
• Ligand and Catalyst Development: Employed in the research and preparation of chiral ligands for asymmetric catalysis, enabling more efficient and selective chemical transformations.
• Material Science Research: Acts as a monomer or modifying agent in the development of specialized polymers with tailored optical or mechanical properties.
• Analytical Standard: Used as a reference standard in chromatographic analysis (GC, HPLC) for method development and quality control in chiral separations.

Basic Information

Product Name	(S)-(+)-3-Methylpentanoic Acid
CAS No.	1730-92-3
Molecular Formula	C6H12O2
Molecular Weight	116.16 g/mol
Synonyms	(S)-3-Methylvaleric Acid; (S)-(+)-3-Methylvaleric Acid; (S)-3-Methylpentanoic Acid; D-3-Methylvaleric Acid; (S)-3-Methylpentanoic acid; (S)-β-Methylvaleric Acid; (3S)-3-Methylpentanoic Acid; (S)-3-Methylpentanoic Acid; (+)-(S)-3-Methylpentanoic Acid
EINECS	217-069-1

Quality Control

Our (S)-(+)-3-Methylpentanoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity (enantiomeric excess) determination by chiral GC or HPLC, standard assay, and impurity profiling to ensure it meets the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and heat sources. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0% ee
Specific Rotation [α]20/D	+10.0° to +12.0° (c=1, CHCl3)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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