CAS: 5418-32-6 Molecular Formula: C12H8NNaO2 Molecular Weight (g/mol): 221.191 InChI Key: FRUIYGAEJNTDCA-UHFFFAOYSA-M Synonym: indophenol sodium salt,indophenol, sodium salt,n-4-sodiooxyphenyl-p-benzoquinone monoimine,sodium 4-4-oxocyclohexa-2,5-dien-1-ylidene amino phenolate,2,5-cyclohexadien-1-one, 4-4-hydroxyphenyl imino-, sodium salt,4-p-hydroxyphenyl-2,5-cyclohexadiene-1-one sodium salt,2,5-cyclohexadien-1-one, 4-p-hydroxyphenyl imino-, sodium salt,2,5-cyclohexadien-1-one, 4-4-hydroxyphenyl imino-, sodium salt 1:1 PubChem CID: 2735060 IUPAC Name: sodium;4-[(4-oxocyclohexa-2,5-dien-1-ylidene)amino]phenolate SMILES: C1=CC(=O)C=CC1=NC2=CC=C(C=C2)[O-].[Na+]