Description

Butanedioic Acid, 2-Hydroxy-3-Methyl-, Diethyl Ester is a specialized diester derivative of a substituted succinic acid, offering unique reactivity and solubility characteristics. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, where its ester groups and chiral center provide versatile functional handles. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Polymer Modification: Employed as a monomer or co-monomer to introduce specific functional groups into polymer chains, altering properties like flexibility or biodegradability.
• Research & Development: Serves as a standard or reagent in organic chemistry research for method development and catalytic studies.
• Liquid Formulation Aid: Its ester nature can be leveraged as a solvent or co-solvent in various industrial formulations.

Basic Information

Product Name	Butanedioic Acid, 2-Hydroxy-3-Methyl-, Diethyl Ester
CAS No.	93504-92-8
Molecular Formula	C10H18O5
Molecular Weight	218.25 g/mol
Synonyms	Diethyl 2-Hydroxy-3-methylsuccinate; 2-Hydroxy-3-methylbutanedioic Acid Diethyl Ester; Diethyl (2R,3S)-2-Hydroxy-3-methylsuccinate (stereoisomer); 3-Methyl-2-hydroxysuccinic Acid Diethyl Ester; Diethyl 3-Methyl-2-hydroxysuccinate; 2-Hydroxy-3-methylsuccinic Acid Diethyl Ester; Ethyl 2-Hydroxy-3-methylsuccinate
EINECS	Contact for details

Quality Control

Our Butanedioic Acid, 2-Hydroxy-3-Methyl-, Diethyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	Contact for details
Specific Rotation	Contact for details
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.