Description

7-Mercaptoheptanoic Acid is a high-purity, bifunctional organic compound featuring both a terminal thiol (mercapto) and a carboxylic acid group, making it a versatile building block for chemical synthesis. This unique structure is critical for applications requiring controlled molecular assembly, cross-linking, and surface functionalization. It is an essential intermediate for researchers and manufacturers in the pharmaceutical, polymer, and material science industries seeking to develop advanced products with specific chemical functionalities.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly for drugs requiring thiol-based conjugation or controlled-release mechanisms.
• Polymer Modification & Cross-linking Agent: Used to introduce thiol groups into polymer chains for UV-curable coatings, adhesives, and elastomers, enhancing properties like flexibility and chemical resistance.
• Surface Functionalization & Self-Assembled Monolayers (SAMs): Employed to modify gold, silver, and other metal surfaces for biosensors, nanotechnology, and corrosion inhibition applications.
• Ligand Synthesis for Catalysis: Acts as a precursor for synthesizing chelating ligands used in homogeneous catalysis and metal complexation processes.
• Bioconjugation & Protein Labeling: Utilized in biochemical research for site-specific modification of proteins, peptides, and antibodies via thiol-maleimide or disulfide bond formation.
• Flavor & Fragrance Precursor: Can be used in the synthesis of sulfur-containing aroma compounds for high-value flavor and fragrance formulations.

Basic Information

Product Name	7-Mercaptoheptanoic Acid
CAS No.	52000-32-5
Molecular Formula	C7H14O2S
Molecular Weight	162.25 g/mol
Synonyms	7-Sulfanylheptanoic Acid; Heptanoic acid, 7-mercapto-; 7-Thioheptanoic Acid; 7-Mercaptoheptanoic acid; 7-MHA; ω-Mercaptoheptanoic Acid; 7-Mercaptoenanthic Acid; 7-Mercapto-n-heptanoic Acid
EINECS	Contact for details

Quality Control

Our 7-Mercaptoheptanoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C to minimize oxidation and degradation. Keep away from strong oxidizing agents and bases.

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.