C5H3ClN2O3
174.54 g/mol
Pharmaceutical IntermediateDanger
5-Chloro-2-hydroxy-3-nitropyridine
CAS21427-61-2EC622-609-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
5-Chloro-2-hydroxy-3-nitropyridine is a chemical compound used as a pharmaceutical intermediate. It features a pyridine ring with chloro, hydroxy, and nitro substituents, and exists predominantly in the 2-oxo tautomeric form.
Pharmaceutical intermediateBuilding block for organic 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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CAS 21427-61-2
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Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
5-chloro-3-nitro-1H-pyridin-2-one
InChIKey
QVGQNICXNZMXQA-UHFFFAOYSA-N
SMILES
C1=C(C(=O)NC=C1Cl)[N+](=O)[O-]
Synonyms (10)
- 3-nitro-5-chloro-pyridin-2-ol
- 3-nitro-5-chloro-pyridone
- 5-Chloro-3-nitro-2-pyridinol
- 5-chloro-3-nitro-2-pyridone
- 5-chloro-3-nitropyridin-2-ol