Home/Compounds/Pharmaceutical Intermediate/Benzyl (S)-(-)-1,2,3,4-tetrahydro-3-isoquinolinecarboxylate p-toluenesulfonic acid salt
C24H25NO5S
439.5 g/mol
Pharmaceutical Intermediate
(S)-3-BENZYLOXYCARBONYL-1,2,3,4-TETRAHYDRO-ISOQUINOLINIUM 4-METHYLBENZENESULFONATE
CAS77497-97-3EC406-960-0
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
This compound is a salt form of a tetrahydroisoquinoline derivative, specifically the benzyl ester of (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid with 4-methylbenzenesulfonic acid. It is primarily used as a pharmaceutical intermediate in the manufacturing of quinapril.
Pharmaceutical intermediate for quinapril
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
Benzyl (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate
CAS77497-96-2
research reagent
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
1-Benzyl-3-pyrrolidinone
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pharmaceutical intermediate
ReferenceSame Category
(S)-tert-Butyl 6-amino-2-((tert-butoxycarbonyl)amino)hexanoate
CAS7750-42-7
pharmaceutical intermediate
ReferenceSame Category
(R)-3-Hydroxy-2-pyrrolidone
CAS77510-50-0
pharmaceutical intermediate
Safety Reference
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for (S)-3-BENZYLOXYCARBONYL-1,2,3,4-TETRAHYDRO-ISOQUINOLINIUM 4-METHYLBENZENESULFONATE (CAS 77497-97-3) is 2933.49.
HS code (international, 6-digit)
2933.49
EU CN code (8-digit)
2933 49 90
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 (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate;4-methylbenzenesulfonic acid
InChIKey
PSMBIFNNFMRIMV-NTISSMGPSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.C1[C@H](NCC2=CC=CC=C21)C(=O)OCC3=CC=CC=C3
Synonyms (10)
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