C6H6N2O2
138.12 g/mol
Research ReagentWarning
Nicotinamide N-oxide
CAS1986-81-8EC217-859-4
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
Nicotinamide N-oxide is a research compound primarily used in crystal engineering. Its structure features an amide group and a pyridine N-oxide moiety, which together form a heterosynthon that is exploited for designing pharmaceutical cocrystals.
Crystal engineering researchPharmaceutical cocrystal design
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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Nicotinamide N-oxide (CAS 1986-81-8) 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-3-carboxamide
InChIKey
USSFUVKEHXDAPM-UHFFFAOYSA-N
SMILES
C1=CC(=C[N+](=C1)[O-])C(=O)N
Synonyms (20)
- Nicotinamide EP Impurity E
- 1-Oxy-nicotinamide
- 1-oxide-(8CI)-nicotinamide
- 1-oxide-3-Pyridinecarboxamide
- 1-oxide-nicotinamide
- 3-Carbamoylpyridine 1-oxide
- NIACINAMIDE N-OXIDE
- Nicotinamide N-oxide
- Nicotinamide N1-oxide
- Nicotinamide, 1-oxide
- Oxynicotinamide
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