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CAS号: 489-49-6 英文名称: 9-ethoxymethyl-4-formyl-3,8-dihydroxy-1,6-dimethyl-11-oxodibenzo[b,e][1,4]dioxepin-7-carboxylic acid 英文同义词: Cetrarin;Cetraric acid;9-ethoxymethyl-4-formyl-3,8-dihydroxy-1,6-dimethyl-11-oxodibenzo[b,e][1,4]dioxepin-7-carboxylic acid;9-(Ethoxymethyl)-4-formyl-3,8-dihydroxy-1,6-dimethyl-11-oxo-11H-dibenzo[b,e][1,4]dioxepin-7-carboxylic acid;11H-Dibenzo[b,e][1,4]dioxepin-7-carboxylic acid, 9-(ethoxymethyl)-4-formyl-3,8-dihydroxy-1,6-dimethyl-11-oxo- 中文名称: 中文同义词: 分子式: C20H18O9 分子量: 402.35 沸点 : 657.9±55.0 °C(Predicted) 密度 : 1.480±0.06 g/cm3(Predicted) 酸度系数(pKa): 2.27±0.20(Predicted)