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Home/Compounds/Pharmaceutical Intermediate/N-(tert-Butoxycarbonyl)-L-alanine
C8H15NO4
189.21 g/mol
Pharmaceutical IntermediateWarning

BOC-ALA

CAS15761-38-3EC239-847-8
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

BOC-ALA (N-tert-butoxycarbonyl-L-alanine) is a protected amino acid derivative commonly employed in peptide synthesis. The tert-butoxycarbonyl (Boc) group shields the amino functionality during peptide chain assembly, enabling stepwise construction of peptides.

protected amino acid for peptide synthesispharmaceutical intermediate

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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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for BOC-ALA (CAS 15761-38-3) is 2924.19.

HS code (international, 6-digit)

2924.19

EU CN code (8-digit)

2924 19 00

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]propanoic acid

InChIKey

QVHJQCGUWFKTSE-YFKPBYRVSA-N

SMILES

C[C@@H](C(=O)O)NC(=O)OC(C)(C)C

Synonyms (54)
  • BOC-ALA
  • (s)-n-boc-alanine
  • BOC-ALANINE
  • BOC-L-ALA
  • Boc-Ala-OH
  • Boc-Ala-OH, >=99.0% (TLC)
  • Boc-Ala-OH, Boc-alanine
  • Boc-L-Ala-OH
  • Boc-l-alanine
  • L-ALANINE, N-BOC PROTECTED
  • N-Boc Alanine
  • N-Boc-L-alanine
  • N-alpha-BOC-L-Alanine
  • N-t-Boc-L-alanine
  • N-t-boc-l-ala
  • N-t-butoxycarbonyl alanine
  • N-t-butyloxycarbonyl-alanine
  • N-tert-Boc-L-alanine
  • l-Alanine t-boc
  • t-BA amino acid
  • t-Boc-Ala
  • t-butoxycarbonyl-L-alanine
  • t-butyloxycarbonylalanine
  • tert-butoxycarbonylalanine

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