Description

(S)-2-Methylvaleric Acid CAS NO 1187-82-2 is a high-purity, single-enantiomer chiral carboxylic acid, a critical building block in asymmetric synthesis. Its defined stereochemistry is essential for producing optically active compounds with high biological specificity and efficacy. This product is primarily targeted at the pharmaceutical, agrochemical, and advanced material sectors, where precise molecular architecture dictates product performance.

Application

• Pharmaceutical Intermediates: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in cardiovascular and central nervous system (CNS) drugs.
• Agrochemical Synthesis: Used in the production of enantiomerically pure herbicides and pesticides, where the specific isomer provides the desired biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric hydrogenation and other stereoselective reactions.
• Flavor and Fragrance Industry: Employed in the synthesis of high-value chiral flavor compounds and aroma chemicals.
• Advanced Polymer Research: Acts as a monomer or co-monomer for creating polymers with specific chiral properties and functionalities.
• Biochemical Research: Used as a standard or reagent in enzymatic studies and metabolic pathway analysis.

Basic Information

Product Name	(S)-2-Methylvaleric Acid
CAS No.	1187-82-2
Molecular Formula	C6H12O2
Molecular Weight	116.16 g/mol
Synonyms	(S)-2-Methylpentanoic Acid; (S)-2-Methylvaleric Acid; (S)-2-Methylpentanoic Acid; L-2-Methylvaleric Acid; (S)-(+)-2-Methylvaleric Acid; (2S)-2-Methylpentanoic Acid; (S)-2-Methyl-n-valeric Acid; (S)-α-Methylvaleric Acid
EINECS	214-689-9

Quality Control

Our (S)-2-Methylvaleric Acid is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with exacting standards for enantiomeric excess (e.e.) and chemical purity. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and optical rotation is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability to maintain chiral integrity and prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Optical Rotation [α]D20	+15.0° to +18.0° (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.