CAS # 16732-57-3 Synonyms: 5-Nitroindole-2-carboxylic acid ethyl ester MDL No.: MFCD00216477 Molecular Formula: C11H10N2O4 Molecular Weight: 234.21 Purity Limit: 98% (HPLC) Storage Temp: Store at 0-8 °C Appearance: Orange-yellow to light grey powder