C19H25NO5S
379.5 g/mol
Pharmaceutical IntermediateWarning
O-Benzyl-L-valine toluene-p-sulphonate
CAS16652-76-9EC240-702-6
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
O-Benzyl-L-valine toluene-p-sulphonate is a salt form of L-valine benzyl ester with p-toluenesulfonic acid, commonly used as a pharmaceutical intermediate in peptide synthesis. It is supplied as a research-grade compound for laboratory-scale manufacturing and chemical development.
Pharmaceutical intermediate for peptide synthesisLaboratory reagent for amino acid derivative preparation
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
StrongSame Parent
L-Valine benzyl ester hydrochloride
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SimilarStructure SimilarSimilarity 0.74
Benzyl (2S)-2-aminopropanoate
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SimilarStructure SimilarSimilarity 0.74
L-Alanine benzyl ester 4-toluenesulfonate
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SimilarStructure SimilarSimilarity 0.74
L-Alanine benzyl ester hydrochloride
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SimilarStructure SimilarSimilarity 0.74
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
7-Desmethyl-3-hydroxyagomelatine
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ReferenceSame Category
4-(2-(5-Chloro-2-methoxybenzamido)ethyl)benzenesulfamide
CAS16673-34-0
pharmaceutical intermediate
Safety Reference
Warning
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for O-Benzyl-L-valine toluene-p-sulphonate (CAS 16652-76-9) 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 (2S)-2-amino-3-methylbutanoate;4-methylbenzenesulfonic acid
InChIKey
QWUQVUDPBXFOKF-MERQFXBCSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.CC(C)[C@@H](C(=O)OCC1=CC=CC=C1)N
Synonyms (27)
- H-VAL-OBZL P-TOSYLATE
- H-Val-OBzl.Tos
- H-Val-OBzl.TosOH
- L-Val-OBzl.TosOH
- L-Valin-benzylester tosylate
- Val-OBzl TosOH
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