Description

Butanoic Acid, 2-Hydroxy-2-Methyl-3-Oxo-, (2S)- (9Ci) is a chiral, multifunctional organic acid derivative, serving as a critical building block in advanced chemical synthesis. Its unique stereochemistry and reactive functional groups make it a valuable intermediate for creating complex molecules with high enantiomeric purity. This compound is essential for research and production in the pharmaceutical and fine chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of drugs targeting metabolic and neurological pathways.
• Asymmetric Synthesis: Utilized as a precursor or auxiliary in catalytic asymmetric reactions to introduce stereogenic centers.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and advanced agrochemicals requiring specific stereochemistry.
• Biochemical Research: Used in the study of enzyme mechanisms and metabolic pathways involving short-chain fatty acid derivatives.
• Ligand and Catalyst Development: Acts as a precursor for designing novel chiral ligands and organocatalysts.

Basic Information

Product Name	Butanoic Acid, 2-Hydroxy-2-Methyl-3-Oxo-, (2S)- (9Ci)
CAS No.	71698-08-3
Molecular Formula	C5H8O4
Molecular Weight	132.11 g/mol
Synonyms	(2S)-2-Hydroxy-2-methyl-3-oxobutanoic acid; (S)-2-Hydroxy-2-methyl-3-oxobutanoic acid; L-2-Hydroxy-2-methyl-3-oxobutanoic acid; 2-Methyl-2-hydroxy-3-oxobutyric acid, (S)-; 3-Oxo-2-hydroxy-2-methylbutyric acid; Acetoacetic acid, 2-hydroxy-2-methyl-, (S)-; A chiral derivative of acetoacetic acid
EINECS	Contact for details

Quality Control

Our Butanoic Acid, 2-Hydroxy-2-Methyl-3-Oxo-, (2S)- (9Ci) is produced under strict quality management systems. Each batch is tested to ensure high chemical and enantiomeric purity, with specifications typically meeting or exceeding research-grade standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity (HPLC), chiral purity, and residual solvent content is provided with every shipment to ensure traceability and compliance for your R&D and cGMP applications.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which may affect stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines

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