C5H5Cl2NO
166 g/mol
Pharmaceutical IntermediateWarning
Chloride 2-chloropyridinium 1-oxide
CAS20295-64-1EC243-712-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a salt form of 2-chloropyridine N-oxide. It is identified as a pharmaceutical intermediate used in the manufacturing of active pharmaceutical ingredients.
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
StrongSame Parent
2-chloropyridine oxide
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organic synthesis intermediate
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Chloride 2-chloropyridinium 1-oxide (CAS 20295-64-1) 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-1-oxidopyridin-1-ium;hydrochloride
InChIKey
GRZNODNSNCXOHE-UHFFFAOYSA-N
SMILES
C1=CC=[N+](C(=C1)Cl)[O-].Cl
Synonyms (7)
- 2-Chloropyridine N-oxide HCl
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