C9H9NO2
163.17 g/mol
Pharmaceutical IntermediateWarning
(S)-(-)-Indoline-2-carboxylic acid
CAS79815-20-6EC410-860-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a chiral indoline derivative used as a pharmaceutical intermediate in alkaloid synthesis. This compound features a bicyclic ring system containing an aromatic ring and a secondary amine, with a carboxylic acid functional group contributing to its moderate polarity.
pharmaceutical intermediate for alkaloid 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.
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Related Compounds
ReferenceSame Category
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CAS79944-64-2
pharmaceutical intermediate
ReferenceSame Category
2-Allyl-3-hydroxybenzaldehyde
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pharmaceutical intermediate
ReferenceSame Category
Methyl 4-(4-fluorophenyl)-6-isopropyl-2-(methylsulfonyl)pyrimidine-5-carboxylate
CAS799842-06-1
pharmaceutical intermediate
ReferenceSame Category
5-(Bromomethyl)-4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidine
CAS799842-07-2
pharmaceutical intermediate
Referencestereoisomer of
(R)-(+)-Indoline-2-carboxylic acid
CAS98167-06-7
pharmaceutical intermediate
Referencestereoisomer of
Indoline-2-carboxylic acid
CAS78348-24-0
pharmaceutical intermediate
Referencesame scaffold
(S)-Indoline-2-carboxylic acid ethyl ester
CAS82923-81-7
research compound
Referencesame scaffold
2-methyl-1-nitroso-2,3-dihydro-1H-indole
CAS85440-79-5
pharmaceutical intermediate
Safety Reference
Warning
H317May cause an allergic skin reaction
H373May cause damage to organs through prolonged or repeated exposure
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for (S)-(-)-Indoline-2-carboxylic acid (CAS 79815-20-6) 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)-2,3-dihydro-1H-indole-2-carboxylic acid
InChIKey
QNRXNRGSOJZINA-QMMMGPOBSA-N
SMILES
C1[C@H](NC2=CC=CC=C21)C(=O)O
Synonyms (22)
- (S)-indoline-2-carboxylate
- 2(s)-indolinecarboxylic acid
- 2-Indolinecarboxylic acid #
- Indoline-2(S)-carboxylic acid
- L-Indoline-2-carboxylic acid
- Perindopril Impurity 39
- Perindopril Impurity 46
- h-idc-oh
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