C5H4ClNO
129.54 g/mol
Research ReagentWarning
2-Chloropyridine 1-oxide
CAS2402-95-1EC219-284-4
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
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-N-oxide hydrochloride
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pharmaceutical intermediate
ReferenceSame Category
3-Bromopyridine N-oxide
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research compound
ReferenceSame Category
Pyridine-2-carbonitrile 1-oxide
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research compound
ReferenceSame Category
Dideoxyadenosine 5'-triphosphate
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research compound
ReferenceSame Category
2-Diphenylphosphino-2'-(N,N-dimethylamino)biphenyl
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research compound
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Chloropyridine 1-oxide (CAS 2402-95-1) 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
InChIKey
WYSRTEVFLQJJDN-UHFFFAOYSA-N
SMILES
C1=CC=[N+](C(=C1)Cl)[O-]
Synonyms (12)
- 2-Chloropyridine 1-oxide
- 2-Chloropyridine N-oxide
- 2-Chloropyridine oxide
- 2-chloro-1-oxidopyridin-1-ium
- 2-chloropyridin-1-ium-1-olate
- 2-chloropyridin-1-ol
- CHLOROPYRIDINE-N-OXIDE, 2-
- PYRIDINE, 2-CHLORO-, OXIDE
- Pyridine, 2-chloro-, 1-oxide
- pyridine 1-oxide, 2-chloro-
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