C12H11NO3
217.22 g/mol
Pharmaceutical IntermediateWarning
Ethyl 4-hydroxyquinoline-3-carboxylate
CAS52980-28-6EC695-104-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Ethyl 4-hydroxyquinoline-3-carboxylate is a quinoline derivative used as a pharmaceutical intermediate. It features an ester functional group and a heterocyclic ring system, making it a building block in the synthesis of various bioactive compounds.
Pharmaceutical intermediateBuilding block for drug 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
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Referencesame scaffold
Ethyl 4-hydroxy-8-methoxy-3-quinolinecarboxylate
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Referencesame scaffold
4-Oxo-1,4-dihydroquinoline-3-carboxylic acid
CAS13721-01-2
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Referencesame scaffold
4-Hydroxy-3-quinolinecarboxylic acid
CAS34785-11-0
pharmaceutical intermediate
Referencesame scaffold
Decoquinate
CAS18507-89-6
pharmaceutical raw material
Safety Reference
Warning
H319Causes serious eye irritation
H302Harmful if swallowed
H315Causes skin irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Ethyl 4-hydroxyquinoline-3-carboxylate (CAS 52980-28-6) is 2933.49.
HS code (international, 6-digit)
2933.49
EU CN code (8-digit)
2933 49 10
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
ethyl 4-oxo-1H-quinoline-3-carboxylate
InChIKey
YBEOYBKKSWUSBR-UHFFFAOYSA-N
SMILES
CCOC(=O)C1=CNC2=CC=CC=C2C1=O
Synonyms (21)
- 6J-050
- Ivacaftor Impurity 9
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