Description

H-Asp-Obzl Hcl CAS NO 53161-68-5 is a protected aspartic acid derivative, specifically the benzyl ester hydrochloride salt of aspartic acid. This compound is a critical building block in the synthesis of peptides and other complex organic molecules, offering precise control over chemical reactivity. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for developing novel therapeutic agents and biochemical tools.

Application

• Peptide Synthesis: Serves as a key protected amino acid intermediate in solid-phase and solution-phase peptide synthesis (SPPS).
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and prodrugs.
• Biochemical Research: Employed as a substrate or precursor in enzymatic studies and metabolic pathway investigations.
• Fine Chemical Production: Acts as a chiral building block for the synthesis of complex organic compounds and specialty chemicals.
• Protecting Group Chemistry: Utilized in multi-step organic syntheses where selective protection and deprotection of carboxylic acid groups are required.

Basic Information

Product Name	H-Asp-Obzl Hcl
CAS No.	53161-68-5
Molecular Formula	C11H14ClNO4
Molecular Weight	259.69 g/mol
Synonyms	L-Aspartic acid β-benzyl ester hydrochloride; Aspartic acid 4-benzyl ester hydrochloride; H-Asp(OBzl)-OH·HCl; (S)-2-Amino-3-(benzyloxycarbonyl)propanoic acid hydrochloride; Asp-OBzl·HCl; Benzyl L-aspartate hydrochloride; 4-Benzyl L-aspartate hydrochloride; β-Benzyl L-aspartate hydrochloride
EINECS	Contact for details

Quality Control

Our H-Asp-Obzl Hcl is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed specifications are provided to guarantee traceability and batch-to-batch consistency.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤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.