Description

Butanoic Acid, L-2-Aminobutanoyl-L-2-Amino-, Methyl Ester (9Ci) is a specialized, high-purity chemical building block used in advanced organic synthesis. This compound matters for its role as a key chiral intermediate in the development of novel pharmaceuticals and bioactive peptides. It is primarily needed by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for applications requiring precise stereochemistry and high synthetic fidelity. The CAS number for this product is 772292-30-5.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in peptide-based therapeutics.
• Peptide Synthesis: Used in solid-phase and solution-phase peptide synthesis to introduce specific amino acid derivatives into complex peptide sequences.
• Bioconjugation: Serves as a building block for creating custom linkers and modifiers in antibody-drug conjugates (ADCs) and other bioconjugation strategies.
• Chemical Biology Research: Employed in the synthesis of molecular probes and tools for studying enzyme mechanisms and protein-protein interactions.
• Fine Chemical Production: Acts as a precursor in the multi-step synthesis of complex, high-value specialty chemicals and catalysts.

Basic Information

Product Name	Butanoic Acid, L-2-Aminobutanoyl-L-2-Amino-, Methyl Ester (9Ci)
CAS No.	772292-30-5
Molecular Formula	C9H16N2O3
Molecular Weight	200.24 g/mol
Synonyms	L-2-Aminobutyryl-L-2-aminobutyric acid methyl ester; Methyl L-2-aminobutanoyl-L-2-aminobutanoate; H-Abu-Abu-OMe; (2S)-2-[[(2S)-2-aminobutanoyl]amino]butanoic acid methyl ester; Abu-Abu methyl ester; Methyl (2S)-2-[[(2S)-2-aminobutanoyl]amino]butanoate
EINECS	Contact for details

Quality Control

Our Butanoic Acid, L-2-Aminobutanoyl-L-2-Amino-, Methyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure it meets the exacting standards required for pharmaceutical R&D and fine chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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