CAS: 493-52-7 Molecular Formula: C15H15N3O2 Molecular Weight (g/mol): 269.304 MDL Number: MFCD00002425 InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N Synonym: methyl red,o-methyl red,c.i. acid red 2,acid red 2,cerven methylova,cerven kysela 2,4-dimethylamino-2'-carboxylazobenzene,2-carboxy-4'-dimethylamino azobenzene,2-4-dimethylaminophenylazo benzoic acid,ci acid red 2 PubChem CID: 10303 IUPAC Name: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O