C6H6N2O3
154.12 g/mol
Pharmaceutical IntermediateDanger
3-Methyl-5-nitro-2-pyridone
CAS21901-34-8EC244-647-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3-Methyl-5-nitro-2-pyridone is a chemical compound used as a pharmaceutical intermediate. It is commonly employed in the synthesis of various organic compounds for research and manufacturing purposes.
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
2-Hydroxy-4-methyl-5-nitropyridine
CAS21901-41-7
pharmaceutical intermediate
ReferenceSame Category
Tert-Butyl 4-(3-cyano-2-(4-phenoxyphenyl)pyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate
CAS2190506-55-7
pharmaceutical intermediate
ReferenceSame Category
Tert-Butyl 4-(3-cyano-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate
CAS2190506-56-8
pharmaceutical intermediate
ReferenceSame Category
(7S)-4,5,6,7-Tetrahydro-2-(4-phenoxyphenyl)-7-(4-piperidinyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile
CAS2190506-59-1
pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Methyl-5-nitro-2-pyridone (CAS 21901-34-8) is 2933.79.
HS code (international, 6-digit)
2933.79
EU CN code (8-digit)
2933 79 00
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
3-methyl-5-nitro-1H-pyridin-2-one
InChIKey
FPTYZBDNBMVYCL-UHFFFAOYSA-N
SMILES
CC1=CC(=CNC1=O)[N+](=O)[O-]
Synonyms (14)
- 2-Hydroxy-5-nitro-3-picoline
- 3-Methyl-5-nitro-2-pyridinol
- 3-Methyl-5-nitro-2-pyridone
- 3-methyl-5-nitropyridin-2-ol
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