C6H4N2O
120.11 g/mol
OtherWarning
4-Cyanopyridine 1-oxide
CAS14906-59-3EC238-974-6
Category
Other
Compound Class
n.a
Primary Use
Synthetic intermediate
4-Cyanopyridine 1-oxide is a chemical compound consisting of a pyridine ring substituted with a nitrile group and an N-oxide moiety. It is an oxygenated derivative of 4-cyanopyridine and is commonly used as a synthetic intermediate.
synthetic intermediate for organic chemistry
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
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Research compound
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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 4-Cyanopyridine 1-oxide (CAS 14906-59-3) 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
1-oxidopyridin-1-ium-4-carbonitrile
InChIKey
QNCSFBSIWVBTHE-UHFFFAOYSA-N
SMILES
C1=C[N+](=CC=C1C#N)[O-]
Synonyms (10)
- 4-Cyanopyridine 1-oxide
- 4-Cyanopyridine N-oxide
- 4-Cyanopyridine oxide
- 4-Cyanopyridinium-1-olate
- 4-cyanopyridin-1-ium-1-olate
- Isonicotinonitrile 1-oxide
- iso-Nicotinonitrile N-Oxide
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