CAS: 119-34-6 Molecular Formula: C6H6N2O3 Molecular Weight (g/mol): 154.125 MDL Number: MFCD00007876 InChI Key: WHODQVWERNSQEO-UHFFFAOYSA-N Synonym: phenol, 4-amino-2-nitro,fourrine 57,4-hydroxy-3-nitroaniline,2-nitro-4-aminophenol,fourrine brown pr,oxidation base 25,fourrine brown propyl,o-nitro-p-aminophenol,p-amino-o-nitrophenol,c.i. oxidation base 25 PubChem CID: 3417419 ChEBI: CHEBI:82385 IUPAC Name: 4-amino-2-nitrophenol SMILES: C1=CC(=C(C=C1N)[N+](=O)[O-])O