Description

Benzoic Acid, 3-Amino-5-Borono-, 1-Ethyl Ester (9Ci) is a specialized boronic acid derivative that serves as a critical building block in modern synthetic chemistry. This compound matters for its unique bifunctional structure, combining an amino group and a boronic acid ester, which enables its use in advanced cross-coupling reactions and as a precursor for complex molecular architectures. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly in oncology and CNS research.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides that require specific boronic acid functionalities.
• Material Science Research: Serves as a monomer or functional additive in the creation of boron-containing polymers and advanced organic frameworks.
• Chemical Biology Probes: Utilized in the design of molecular probes and sensors that leverage boronic acid's affinity for diols.
• Catalyst Ligand Development: Acts as a starting material for synthesizing novel ligands used in homogeneous catalysis.
• Academic & Contract Research: Employed in methodological studies and scale-up process development within R&D laboratories.

Basic Information

Product Name	Benzoic Acid, 3-Amino-5-Borono-, 1-Ethyl Ester (9Ci)
CAS No.	510773-04-3
Molecular Formula	C9H12BNO4
Molecular Weight	209.01 g/mol
Synonyms	3-Amino-5-boronobenzoic acid 1-ethyl ester; 1-Ethyl 3-amino-5-boronobenzoate; 5-(Ethoxycarbonyl)-3-aminophenylboronic acid; (3-Amino-5-(ethoxycarbonyl)phenyl)boronic acid; 3-Carbethoxy-5-aminophenylboronic acid; B-[3-Amino-5-(ethoxycarbonyl)phenyl]boronic acid; 3-Amino-5-boronobenzoic acid ethyl ester; Ethyl 3-amino-5-boronobenzoate
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 3-Amino-5-Borono-, 1-Ethyl Ester is produced under strict quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. All batches undergo comprehensive analytical characterization, including HPLC, NMR (1H, 13C, 11B), and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.