C17H21NO5S
351.4 g/mol
Pharmaceutical IntermediateWarning
O-Benzyl-L-alanine toluene-p-sulphonate
CAS42854-62-6EC255-969-4
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
O-Benzyl-L-alanine toluene-p-sulphonate is a salt-form compound consisting of the benzyl ester of alanine paired with p-toluenesulfonic acid. It is primarily used as a synthetic intermediate in peptide chemistry, particularly for the introduction of alanine residues with a benzyl-protecting group.
peptide synthesis intermediatebuilding block for protected alanine derivatives
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
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for O-Benzyl-L-alanine toluene-p-sulphonate (CAS 42854-62-6) is 2922.49.
HS code (international, 6-digit)
2922.49
EU CN code (8-digit)
2922 49 85
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
benzyl 2-aminopropanoate;4-methylbenzenesulfonic acid
InChIKey
NWOPHJSSBMABBD-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.CC(C(=O)OCC1=CC=CC=C1)N
Synonyms (20)
- Ala-OBzl.TosOH
- D-Ala-OBzl.TosOH
- H-Ala-OBzl.P-Tosylate
- H-Ala-obzl.tosoh
- H-D-ALA-OBZL P-TOSYLATE
- H-DL-Ala-OBzl p-tosylate
- H-DL-Ala-OBzl.TosOH
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