C7H5Cl2NO3
222.02 g/mol
Pharmaceutical IntermediateWarning
1(4H)-Pyridineacetic acid, 3,5-dichloro-4-oxo-
CAS56187-37-2EC260-040-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a pyridone derivative bearing two chlorine substituents and a carboxylic acid side chain. It is primarily used as an intermediate in pharmaceutical manufacturing.
Pharmaceutical intermediateBuilding block for active pharmaceutical ingredient 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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Referencesame scaffold
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Referencesame scaffold
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Referencesame scaffold
1-(2,2-dimethoxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid
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pharmaceutical intermediate
Referencesame scaffold
2-(1,1,1-Trifluoro-2-methylpropan-2-yl)pyridin-4(1H)-one
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Research chemical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 1(4H)-Pyridineacetic acid, 3,5-dichloro-4-oxo- (CAS 56187-37-2) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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-(3,5-dichloro-4-oxo-1-pyridinyl)acetic acid
InChIKey
MFMXEEQESUEMSB-UHFFFAOYSA-N
SMILES
C1=C(C(=O)C(=CN1CC(=O)O)Cl)Cl
Synonyms (14)
- Cefazedone Impurity 13
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