H-Ala-OtBu.HCl | CAS No. 13404-22-3: High-Purity Alanine Derivative for Advanced Peptide Synthesis

H-Ala-OtBu.HCl (CAS No. 13404-22-3) is an optically active, Boc-protected L-alanine derivative widely used as a key intermediate in solid-phase peptide synthesis (SPPS) and other synthetic protocols. Its tert-butyl ester functionality provides acid-labile protection of the carboxyl group, enabling selective deprotection during peptide elongation cycles. The hydrochloride salt form enhances stability and solubility in polar organic solvents, ensuring reliable coupling efficiency. Produced to meet rigorous quality standards, this compound is characterized by consistent enantiomeric purity, low moisture content, and verified identity. Detailed analytical profiling, including NMR spectroscopy, HPLC purity assessment, and mass spectrometry, accompanies each lot to support high reproducibility in pharmaceutical and biochemical research applications.

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