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Home/Compounds/Pharmaceutical Intermediate/Boc-L-aspartic acid 4-benzyl ester
C16H21NO6
323.34 g/mol
Pharmaceutical Intermediate

L-Aspartic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 4-(phenylmethyl) ester

CAS7536-58-5
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a Boc-protected derivative of aspartic acid featuring a benzyl ester group. It serves as a building block in peptide synthesis and pharmaceutical manufacturing.

Peptide synthesis intermediatePharmaceutical intermediate for aspartic acid-containing compounds

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

SimilarStructure SimilarSimilarity 0.81

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3,5-Bis(trifluoromethyl)benzyl chloride

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Referencestereoisomer of

Boc-D-aspartic acid 4-benzyl ester

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Related Reading

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2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

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Customs Tariff Classification

The international HS code for L-Aspartic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 4-(phenylmethyl) ester (CAS 7536-58-5) is 2924.29.

HS code (international, 6-digit)

2924.29

EU CN code (8-digit)

2924 29 70

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxo-4-phenylmethoxybutanoic acid

InChIKey

SOHLZANWVLCPHK-LBPRGKRZSA-N

SMILES

CC(C)(C)OC(=O)N[C@@H](CC(=O)OCC1=CC=CC=C1)C(=O)O

Synonyms (30)
  • 4-Benzyl N-Boc-L-aspartate
  • BOC-Asp(OBzl)
  • Boc-Asp(Bzl)-OH
  • Boc-Asp(OBzl)-OH
  • Boc-L-Asp(OBn)-OH
  • Boc-L-Asp(OBzl)-OH
  • N-BOC-H-Asp(OBzl)-OH

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