C3H3N3O2
113.08 g/mol
Pharmaceutical IntermediateWarning
4-Nitroimidazole
CAS3034-38-6EC221-224-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Nitroimidazole is a nitroimidazole compound featuring an imidazole ring with a nitro group substituent. It serves as a pharmaceutical intermediate in the manufacturing of nitroimidazole antibiotics.
pharmaceutical intermediate for nitroimidazole antibiotics
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
1H-Imidazole-4-carbaldehyde
CAS3034-50-2
pharmaceutical intermediate
ReferenceSame Category
1-[(4-Methoxyphenyl)methyl]-1,2,3,4,5,6,7,8-octahydroisoquinoline
CAS30356-07-1
pharmaceutical intermediate
ReferenceSame Category
Sodium vinylsulfonate
CAS3039-83-6
pharmaceutical intermediate
ReferenceSame Category
P-dioxanone
CAS3041-16-5
pharmaceutical intermediate
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-Nitroimidazole (CAS 3034-38-6) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
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
5-nitro-1H-imidazole
InChIKey
VYDWQPKRHOGLPA-UHFFFAOYSA-N
SMILES
C1=C(NC=N1)[N+](=O)[O-]
Synonyms (21)
- METRONIDAZOLE EP IMPURITY B
- 1H-4-Nitroimidazole
- 1H-5-Nitroimidazole
- 1H-Imidazole, 4-nitro-
- 1H-Imidazole, 5-nitro-
- 4(5)-Nitroimidazole
- 4-NITRO-1H-IMIDAZOLE
- 4-Nitroimidazole
- 4-nitro-3H-imidazole
- 5(4)-nitroimidazole
- 5-Nitro-1H-imidazole
- 5-Nitroimidazole
- CL 205086 (9CI)
- Imidazole, 4(or 5)-nitro-
- Imidazole, 4-nitro-
- NITROIMIDAZOLE, 4-
- imidazole, 4(5)-nitro-
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