Description

Benzoic Acid, 4-Amino-3-Mercapto-, Ethyl Ester is a specialized organic compound featuring both amino and mercapto functional groups on a benzoic acid ethyl ester backbone, making it a versatile intermediate for advanced synthesis. This compound is valued for its dual reactivity, which allows for selective modifications in the creation of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries for constructing heterocyclic compounds and functionalized aromatic systems.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those containing benzothiazole or related heterocyclic scaffolds with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides where the mercapto and amino groups contribute to target binding.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the development of specialty polymers, coatings, and advanced organic materials.
• Chemical Research & Development: An essential reagent in organic synthesis laboratories for studying nucleophilic substitution and condensation reactions.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex organic dyes and pigments due to its aromatic structure and modifiable functional groups.
• Chelating Agent Synthesis: Acts as a precursor for ligands and chelating agents used in metal catalysis and extraction processes.

Basic Information

Product Name	Benzoic Acid, 4-Amino-3-Mercapto-, Ethyl Ester
CAS No.	55439-71-9
Molecular Formula	C9H11NO2S
Molecular Weight	197.26 g/mol
Synonyms	4-Amino-3-mercaptobenzoic acid ethyl ester; Ethyl 4-amino-3-mercaptobenzoate; 3-Mercapto-4-aminobenzoic acid ethyl ester; 4-Amino-3-sulfanylbenzoic acid ethyl ester; Benzoic acid, 4-amino-3-mercapto-, ethyl ester; Ethyl 4-amino-3-sulfanylbenzoate; AI3-52010; NSC 403119
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4-Amino-3-Mercapto-, Ethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and purity. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation and light, it is recommended to store the material under an inert atmosphere for long-term preservation and to minimize decomposition.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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