Z-L-aspartic acid β-benzyl ester

Z-L-aspartic acid β-benzyl ester is a protected L-aspartic acid derivative in which the α-amino group is carbobenzyloxy (Z, benzyloxycarbonyl) protected and the side-chain carboxyl group is esterified as a β-benzyl ester, giving an aspartate scaffold with two carboxyl-related functionalities masked as protecting groups. The molecule contains a Z-protected amino functionality and a benzyl ester that together reduce free zwitterionic character and modulate chemoselectivity by preventing side reactions associated with unprotected amine and carboxyl groups. It is used as an amino acid building block or intermediate for peptide synthesis and related derivatization workflows where controlled exposure of the reactive termini is required for stepwise coupling and subsequent deprotection strategies.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

CAT No: CP00433

CAS No:3479-47-8

Synonyms/Alias:Z-Asp(OBzl)-OH;3479-47-8;Cbz-Asp(OBzl)-OH;Z-L-asparticacid4-benzylester;(S)-4-(Benzyloxy)-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoicacid;N-Cbz-L-asparticAcid4-BenzylEster;ST50826272;N-Benzyloxycarbonyl-L-AsparticAcid4-BenzylEster;N-Cbz-L-asparticacidbeta-benzylester;PubChem14963;AC1L2IDI;4-BenzylN-Cbz-L-aspartate;95980_ALDRICH;SCHEMBL7583002;95980_FLUKA;CTK3J6577;MolPort-003-939-906;ZINC1708468;EINECS222-456-1;4-BenzylN-Carbobenzoxy-L-aspartate;ANW-43243;CZ-028;MFCD00037820;AKOS015924111;MCULE-1611792115

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C19H19NO6
M.W/Mr.
357.4
Abbr
Z-Asp(OBzl)-OH
InChI
1S/C19H19NO6/c21-17(25-12-14-7-3-1-4-8-14)11-16(18(22)23)20-19(24)26-13-15-9-5-2-6-10-15/h1-10,16H,11-13H2,(H,20,24)(H,22,23)/t16-/m0/s1
InChI Key
VUKCNAATVIWRTF-INIZCTEOSA-N
Canonical SMILES
C1=CC=C(C=C1)COC(=O)CC(C(=O)O)NC(=O)OCC2=CC=CC=C2

Useful Tools

Peptide Calculator

Abbreviation List

Peptide Glossary

If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.

Featured Services
cGMP Peptide ServicePeptide Synthesis ServicesPeptide Nucleic Acids SynthesisPeptide Modification ServicesPeptide CDMOEpitope Mapping ServicesCustom Conjugation ServicePeptide Analysis Services
Hot Products
About us

Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.

From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.

Our Customers