4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone结构式 
             
            
            
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        常用名 | 4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone | 英文名 | 4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone | 
|---|---|---|---|---|
| CAS号 | 19040-71-2 | 分子量 | 226.61300 | |
| 密度 | 1.569g/cm3 | 沸点 | 451.7ºC at 760mmHg | |
| 分子式 | C10H7ClO4 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 227ºC | 
| 英文名 | 4-(chloromethyl)-7,8-dihydroxychromen-2-one | 
|---|---|
| 英文别名 | 更多 | 
| 密度 | 1.569g/cm3 | 
|---|---|
| 沸点 | 451.7ºC at 760mmHg | 
| 分子式 | C10H7ClO4 | 
| 分子量 | 226.61300 | 
| 闪点 | 227ºC | 
| 精确质量 | 226.00300 | 
| PSA | 70.67000 | 
| LogP | 1.94300 | 
| 蒸汽压 | 8.92E-09mmHg at 25°C | 
| 折射率 | 1.656 | 
| 海关编码 | 2932209090 | 
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                                         ~98%  
                                            4-(chloromethyl... 19040-71-2  | 
                                
| 文献:Sharma; Janardhan Reddy; Sree Lakshmi; Radha Krishna Tetrahedron Letters, 2005 , vol. 46, # 36 p. 6119 - 6121 | 
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                                         ~90%  
                                            4-(chloromethyl... 19040-71-2  | 
                                
| 文献:Sharghi, Hashem; Jokar, Mahboubeh Heterocycles, 2007 , vol. 71, # 12 p. 2721 - 2733 | 
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                                         ~65%  
                                            4-(chloromethyl... 19040-71-2  | 
                                
| 文献:Campos-Toimil, Manuel; Orallo, Francisco; Santana, Lourdes; Uriarte, Eugenio Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 5 p. 783 - 786 | 
| 海关编码 | 2932209090 | 
|---|---|
| 中文概述 | 2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | 
| 申报要素 | 品名, 成分含量, 用途 | 
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% | 
| 4-(chloromethyl)-5,7-dihydroxy-2H-chromen-2-one | 
| 4-chloromethyl-7,8-dihydroxycoumarin | 
| BB_NC-2140 | 
| 4-chloromethyldaphnetin | 
| 4-(Chloromethyl)-7,8-dihydroxy-2-benzopyrone | 
| 4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one | 
| 4-chloromethyl-7,8-dihydroxy-chromen-2-one | 
| 4-(chloromethyl)-7,8-dihydroxy-2H-chromen-2-one |