Description

Benzoic Acid, 4-Amino-2-Mercapto-, Ethyl Ester (9Ci) 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 role in constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research where precise functionalization is critical. It serves as a key building block for researchers and manufacturers in fine chemical, pharmaceutical, and material science industries seeking to develop novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways where the amino and thiol groups are essential for activity.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its reactive sites to create compounds with specific biological activity.
• Fine Chemical Building Block: Employed in organic synthesis for the preparation of complex molecules, dyes, and functional materials requiring a benzoic acid derivative with orthogonal reactive handles.
• Bioconjugation & Ligand Development: The thiol (-SH) group makes it suitable for creating linkers in bioconjugation chemistry or for developing ligands in catalyst and sensor design.
• Material Science Research: Investigated as a monomer or additive in the development of specialized polymers and advanced materials with tailored properties.

Basic Information

Product Name	Benzoic Acid, 4-Amino-2-Mercapto-, Ethyl Ester (9Ci)
CAS No.	345910-57-8
Molecular Formula	C9H11NO2S
Molecular Weight	197.26 g/mol
Synonyms	4-Amino-2-mercaptobenzoic acid ethyl ester; Ethyl 4-amino-2-mercaptobenzoate; 2-Mercapto-4-aminobenzoic acid ethyl ester; Benzoic acid, 4-amino-2-mercapto-, ethyl ester; 4-Amino-2-sulfanylbenzoic acid ethyl ester; Ethyl 4-amino-2-sulfanylbenzoate; 345910-57-8 (CAS)
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4-Amino-2-Mercapto-, Ethyl Ester (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting compliance in GMP-aligned research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Due to the presence of a mercapto group, this material may be susceptible to oxidation; prolonged storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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