Description

4-Mercapto-4-Methylvaleric Acid is a specialized organic compound featuring both a carboxylic acid and a thiol functional group. This unique bifunctional structure makes it a valuable building block and intermediate in advanced organic synthesis and material science. It is particularly sought after by research and development teams in the pharmaceutical, agrochemical, and polymer industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the development of active pharmaceutical ingredients (APIs), particularly in molecules requiring thioether linkages or controlled-release mechanisms.
• Polymer Modification Agent: Used to introduce thiol groups into polymer chains for cross-linking, improving adhesion properties, or creating functional materials like hydrogels and coatings.
• Agrochemical Synthesis: Acts as a precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators where the mercapto group is integral to biological activity.
• Ligand Synthesis for Catalysis: Employed in the preparation of chiral and achiral ligands for metal catalysts used in asymmetric synthesis and other catalytic processes.
• Bioconjugation Chemistry: Utilized in biochemical research for modifying proteins, peptides, and other biomolecules via thiol-specific coupling reactions.
• Flavor and Fragrance Industry: May be used as an intermediate in the synthesis of specific sulfur-containing aroma compounds.

Basic Information

Product Name	4-Mercapto-4-Methylvaleric Acid
CAS No.	140231-31-8
Molecular Formula	C6H12O2S
Molecular Weight	148.22 g/mol
Synonyms	4-Methyl-4-sulfanylpentanoic acid; 4-Mercapto-4-methylpentanoic acid; 4-Methyl-4-mercaptovaleric acid; 4-Mercapto-4-methylvaleric acid; 4-Methyl-4-thiopentanoic acid; 4-(Mercaptomethyl)valeric acid (isomer); 4-Methyl-4-sulfanyl-valeric acid; 4-MMVA
EINECS	Contact for details

Quality Control

Our production of 4-Mercapto-4-Methylvaleric Acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, GC, and NMR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere to prevent oxidation of the thiol group. Keep away from strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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