C9H9NO2
163.17 g/mol
Pharmaceutical IntermediateWarning
Indoline-2-carboxylic acid
CAS78348-24-0EC278-899-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Indoline-2-carboxylic acid is a chemical compound used as a pharmaceutical intermediate, primarily in the synthesis of indole derivatives. It features a bicyclic structure with a carboxylic acid group, making it a valuable building block in organic chemistry research and manufacturing.
Pharmaceutical intermediate for indole synthesisBuilding block in organic synthesis research
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
2-Amino-5-chloro-2'-fluorobenzophenone
CAS784-38-3
pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
2'-fluoro-2'-deoxyuridine
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pharmaceutical intermediate
ReferenceSame Category
3-[2-[2-(2-Aminoethoxy)ethoxy]ethoxy]propanoic acid
CAS784105-33-5
pharmaceutical intermediate
Referencestereoisomer of
(S)-(-)-Indoline-2-carboxylic acid
CAS79815-20-6
pharmaceutical intermediate
Referencestereoisomer of
(R)-(+)-Indoline-2-carboxylic acid
CAS98167-06-7
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
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for Indoline-2-carboxylic acid (CAS 78348-24-0) 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
2,3-dihydro-1H-indole-2-carboxylic acid
InChIKey
QNRXNRGSOJZINA-UHFFFAOYSA-N
SMILES
C1C(NC2=CC=CC=C21)C(=O)O
Synonyms (15)
- (2RS)-2-carboxyindoline
- Indoline-2-carboxylic acid
- dl-indoline-2-carboxylic acid
- indoline-2-carboxilic acid
- indoline-2-carboxlic acid
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