Description

L-Alanine, Monoanhydride With Boric Acid (H3Bo3) (9Ci) CAS NO 140189-20-4 is a specialized organoboron derivative of the essential amino acid L-alanine. This compound is valued for its unique chemical structure, which combines the biological relevance of an amino acid with the Lewis acid properties of boron, making it a versatile intermediate in advanced synthesis. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and fine chemical sectors for applications in catalysis, medicinal chemistry, and the development of novel materials.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly those targeting enzyme inhibition or requiring boron-containing pharmacophores.
• Catalyst & Ligand Precursor: Serves as a building block for creating specialized ligands and catalysts in asymmetric synthesis and cross-coupling reactions.
• Agrochemical Research: Employed in the development of new herbicides, fungicides, or plant growth regulators with enhanced activity or selectivity.
• Bioconjugation & Probe Development: Utilized in biochemical research for modifying peptides or proteins, or in creating molecular probes for diagnostic applications.
• Material Science: Investigated as a monomer or additive for producing specialized polymers, coatings, or boron-nitrogen containing materials.
• Chemical Biology Tool: Acts as a research chemical for studying boron's role in biological systems and metabolic pathways.

Basic Information

Product Name	L-Alanine, Monoanhydride With Boric Acid (H3Bo3) (9Ci)
CAS No.	140189-20-4
Molecular Formula	C3H8BNO4
Molecular Weight	132.91 g/mol
Synonyms	L-Alanine Boronic Acid; Alanineboronic Acid; (S)-2-Amino-3-boronopropanoic Acid; B-Alanine, N-Borono-; L-2-Amino-3-boronopropanoic Acid; Boronoalanine; Alanine Boronate; 2-Amino-3-boronopropanoic Acid
EINECS	Contact for details

Quality Control

Our L-Alanine, Monoanhydride With Boric Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral integrity, NMR for structural confirmation, and elemental analysis. We provide full traceability and detailed Certificates of Analysis (COA) to support your R&D and regulatory requirements. Specifications can be tailored to meet research-grade or custom purity standards upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chiral Purity (HPLC)	≥ 98.0% L-Isomer
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm

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