3,4-二羟基-5-甲醛 中文同义词: 3,4-二羟基-5-甲醛 英文名称: 3-Nitro-4,5-dihydroxybenzaldehyde 英文同义词: Entacapone EP IMpurity C;3,4-Dihydroxy-5-Nitrobenzaldeh;4-Dihydroxy-5-nitrobenzaldehyde;3,4-Dihydroxy-5-nitrobenzaldehdye;3-NITRO-4,5-DIHYDROXYBENZALDEHYDE;3,4-DIHYDROXY-5-NITROBENZALDEHYDE;3,4-dihydroxy-5-nitro-benzaldehyd;5-NITRO-3,4-DIHYDROXYBENZALDEHYDE;3,4-Dihydroxy-5-Nitro Benzyaldehyde;3,4-DIHYDROXY-5-NITROBENZALDEHYDE,SPECIFICATION: >98.5%(HPLC UV) CBNumber: CB8206127 CAS号: 116313-85-0 分子式: C7H5NO5 分子量: 183.12 外观: 黄色或橙黄色晶体 熔点: 147~149℃ 含量: ≥98.5%(HPLC UV) 产品用途: 恩他卡朋中间体