C7H5NO4
167.12 g/mol
Pharmaceutical IntermediateDanger
2-Hydroxy-5-nitrobenzaldehyde
CAS97-51-8EC202-587-0
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
2-Hydroxy-5-nitrobenzaldehyde is a nitro-substituted aromatic aldehyde used as a pharmaceutical intermediate. It serves as a versatile building block in the synthesis of various biologically active compounds.
Pharmaceutical intermediateBuilding block for synthesis of phenethylaminesStarting material for synthesis of coenzyme Q and 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
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Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2-Hydroxy-5-nitrobenzaldehyde (CAS 97-51-8) 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
2-hydroxy-5-nitrobenzaldehyde
InChIKey
IHFRMUGEILMHNU-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])C=O)O
Synonyms (9)
- 2-FORMYL-4-NITROPHENOL
- 2-Hydroxy-5-nitrobenzaldehyde
- 5-Nitrosalicylaldehyde
- 5-nitro-2-hydroxybenzaldehyde
- 6-HYDROXY-3-NITROBENZALDEHYDE
- Salicylaldehyde, 5-nitro-
- US8614253, .3-39
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