Description

L-Alanine, Butyl Ester, Hydrochloride is a protected amino acid derivative where the carboxylic acid group is masked as a butyl ester and the amine is stabilized as a hydrochloride salt. This chemical form is crucial for peptide synthesis and organic chemistry, offering enhanced solubility and stability for controlled reactions. It is primarily utilized by research institutions, pharmaceutical development labs, and fine chemical manufacturers engaged in the production of bioactive peptides, chiral intermediates, and specialized reagents.

Application

• Peptide Synthesis: Serves as a key building block in solid-phase and solution-phase peptide synthesis, where the ester group requires specific deprotection conditions.
• Pharmaceutical Intermediates: Used in the research and development of chiral drugs and active pharmaceutical ingredients (APIs) that incorporate alanine motifs.
• Biochemical Research: Employed as a substrate or precursor in enzymatic studies and metabolic pathway investigations.
• Fine Chemical Production: Acts as a versatile intermediate for synthesizing more complex organic molecules, flavors, and fragrances.
• Protecting Group Chemistry: The butyl ester group provides a standard protecting strategy for carboxylic acids in multi-step organic syntheses.

Basic Information

Product Name	L-Alanine, Butyl Ester, Hydrochloride
CAS No.	81305-85-3
Molecular Formula	C7H16ClNO2
Molecular Weight	181.66 g/mol
Synonyms	L-Alanine butyl ester hydrochloride; (S)-2-Aminopropanoic acid butyl ester hydrochloride; Butyl L-alaninate hydrochloride; H-Ala-OBu.HCl; Alanine butyl ester HCl; L-2-Aminopropionic acid butyl ester hydrochloride; (S)-2-Amino-propionic acid butyl ester hydrochloride
EINECS	Contact for details

Quality Control

Our L-Alanine, Butyl Ester, Hydrochloride is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing specific results for assay, optical rotation, and related substances are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]20/D	+15.0° to +20.0° (c=1 in H2O)
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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