C9H15NO6
233.22 g/mol
Pharmaceutical IntermediateWarning
N-(tert-Butoxycarbonyl)-L-aspartic acid
CAS13726-67-5EC237-294-7
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
N-(tert-Butoxycarbonyl)-L-aspartic acid is a protected derivative of L-aspartic acid commonly used in peptide synthesis. It serves as a pharmaceutical intermediate, where the tert-butoxycarbonyl (Boc) group protects the amino function during peptide chain assembly.
Pharmaceutical intermediate for peptide synthesisBuilding block in solid-phase peptide synthesisLaboratory reagent for research in peptide chemistry
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 0.77
Boc-L-aspartic acid 4-tert-butyl ester
CAS1676-90-0
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.77
Boc-L-Aspartic acid 1-tert-butyl ester
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pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.75
N(alpha)-t-butoxycarbonyl-L-asparagine
CAS7536-55-2
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.75
Boc-D-Asparagine
CAS75647-01-7
pharmaceutical intermediate
ReferenceSame Category
Trans-N-boc-4-hydroxy-L-proline
CAS13726-69-7
pharmaceutical intermediate
ReferenceSame Category
Boc-L-glutamic acid 5-tert-butyl ester
CAS13726-84-6
pharmaceutical intermediate
ReferenceSame Category
Boc-L-Glutamine
CAS13726-85-7
pharmaceutical intermediate
ReferenceSame Category
4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid
CAS137281-39-1
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for N-(tert-Butoxycarbonyl)-L-aspartic acid (CAS 13726-67-5) 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]butanedioic acid
InChIKey
KAJBMCZQVSQJDE-YFKPBYRVSA-N
SMILES
CC(C)(C)OC(=O)N[C@@H](CC(=O)O)C(=O)O
Synonyms (15)
- Boc-L-Asp-OH
- Boc-L-aspartic acid
- Boc-aspartic acid
- N-Boc aspartic acid
- N-Boc-L-aspartic Acid
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