C9H15NO2
169.22 g/mol
Pharmaceutical IntermediateWarning
(2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid
CAS80875-98-5EC617-180-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a pharmaceutical intermediate used in the manufacturing of perindopril. It is an octahydroindole carboxylic acid with a bicyclic ring system and stereochemistry suitable for peptide coupling reactions.
Pharmaceutical manufacturing intermediate for perindoprilBuilding block for peptide synthesis
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.
Sourcing (2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid?
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Related Compounds
ReferenceSame Category
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pharmaceutical intermediate
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CAS80980-89-8
pharmaceutical intermediate
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pharmaceutical intermediate
ReferenceSame Category
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CAS80983-36-4
pharmaceutical intermediate
Referencestereoisomer of
(2S,3aS,7aR)-octahydro-1H-indole-2-carboxylic acid
CAS145513-93-5
pharmaceutical intermediate
Referencestereoisomer of
Octahydro-1H-indole-2-carboxylic acid
CAS80828-13-3
pharmaceutical intermediate
Referencesame scaffold
Perindopril
CAS82834-16-0
pharmaceutical raw material
Referencesame scaffold
Perindopril erbumine
CAS107133-36-8
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid (CAS 80875-98-5) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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,3aS,7aS)-2,3,3a,4,5,6,7,7a-octahydro-1H-indole-2-carboxylic acid
InChIKey
CQYBNXGHMBNGCG-FXQIFTODSA-N
SMILES
C1CC[C@H]2[C@@H](C1)C[C@H](N2)C(=O)O
Synonyms (24)
- PERINDOPRIL TERT-BUTYLAMINE IMPURITY A (EP IMPURITY)
- Perindopril EP impurity A
- Perindopril impurity A, European Pharmacopoeia (EP)
- (S,S,s)-perhydroindolic acid
- Perindopril impurity A
- Perindopril impurity A CRS
Sourcing (2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid?
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