CAS No.: 119-67-5 Synonyms: Phthalaldehydic acid; 2-Formylbenzoic acid; 3-Hydroxyphthalide Formula: C₈H₆O₃ Formula Weight: 150.13 Linear Formula: C₈H₆O₃ MDL No.: MFCD00003336 Purity: 0.97 Melting Point: 94-96 °C(lit.)