C8H7NO5
197.14 g/mol
Pharmaceutical IntermediateWarning
5-Nitrovanillin
CAS6635-20-7EC229-633-2
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
5-Nitrovanillin is a derivative of vanillin featuring a nitro group adjacent to the hydroxyl group. It serves as a versatile intermediate in organic synthesis due to its multiple reactive functional groups, including an aldehyde, a methoxy, and a hydroxyl group.
Starting material for synthesis of phenethylaminesIntermediate for coenzyme Q preparationIntermediate for catechol-O-methyltransferase inhibitors
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
4-methyl-3-nitropyridin-2-amine
CAS6635-86-5
pharmaceutical intermediate
ReferenceSame Category
5-Amino-2-methoxy-4-methylpyridine
CAS6635-91-2
pharmaceutical intermediate
ReferenceSame Category
2,4-Dichlorobutyrophenone
CAS66353-47-7
pharmaceutical intermediate
ReferenceSame Category
5-(((2-aminoethyl)thio)methyl)-N,N-dimethyl-2-furanmethanamine
CAS66356-53-4
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Nitrovanillin (CAS 6635-20-7) is 2913.00.
HS code (international, 6-digit)
2913.00
EU CN code (8-digit)
2913 00 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
4-hydroxy-3-methoxy-5-nitrobenzaldehyde
InChIKey
ZEHYRTJBFMZHCY-UHFFFAOYSA-N
SMILES
COC1=CC(=CC(=C1O)[N+](=O)[O-])C=O
Synonyms (12)
- 5-Nitrovanillin
- 5-nitrovanilline
- Entacapone Impurity 25
- Vanillin, 5-nitro-
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