C7H8N2O3
168.15 g/mol
Pharmaceutical IntermediateWarning
2,3-Dimethyl-4-nitropyridine 1-oxide
CAS37699-43-7EC609-469-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,3-Dimethyl-4-nitropyridine 1-oxide is a chemical compound used as a pharmaceutical intermediate. It is a pyridine derivative with a nitro group and an N-oxide functionality.
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
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CAS37718-11-9
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pharmaceutical intermediate
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ReferenceSame Category
Tert-Butyl 3-(1-hydroxyethyl)piperidine-1-carboxylate
CAS377780-25-1
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for 2,3-Dimethyl-4-nitropyridine 1-oxide (CAS 37699-43-7) 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
2,3-dimethyl-4-nitro-1-oxidopyridin-1-ium
InChIKey
CFMTVTYBZMKULI-UHFFFAOYSA-N
SMILES
CC1=C(C=C[N+](=C1C)[O-])[N+](=O)[O-]
Synonyms (15)
- 4-Nitro-2,3-lutidine N-oxide
- Lansoprazole Impurit 9
- Lansoprazole Impurity 21
- Lansoprazole Nitro Impurity
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