C5H3ClN2O3
174.54 g/mol
Pharmaceutical IntermediateDanger
2-Chloro-4-nitropyridine 1-oxide
CAS14432-16-7EC238-404-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Chloro-4-nitropyridine 1-oxide is an organic compound that serves as a pharmaceutical intermediate. Its structure features a pyridine ring with chloro, nitro, and N-oxide functional groups, making it a valuable building block in chemical synthesis.
pharmaceutical intermediate
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
FR 901379
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ReferenceSame Category
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Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chloro-4-nitropyridine 1-oxide (CAS 14432-16-7) 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-chloro-4-nitro-1-oxidopyridin-1-ium
InChIKey
YSTCMHHKDOVZDA-UHFFFAOYSA-N
SMILES
C1=C[N+](=C(C=C1[N+](=O)[O-])Cl)[O-]
Synonyms (8)
- 2-chloro-4-nitropyridin-1-ol
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