| 中文名 | 3-环丙甲氧基-4-二氟甲氧基苯甲酸 |
|---|---|
| 英文名 | 3-Cyclopropylmethoxy-4-difluoromethoxybenzoic Acid |
| 中文别名 |
罗氟司特酸
4-(二氟甲氧基)-3-(环丙基甲氧基)苯甲酸 3-(环丙甲氧基)-4-(二氟甲氧基)苯甲酸 |
| 英文别名 |
3-Cyclopropylmethoxy-4-difluoromethoxybenzoic acid
Benzoic acid, 3-(cyclopropylmethoxy)-4-(difluoromethoxy)- 3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzoic acid 3-cyclopropylmethoxy-4-difluoromethoxy-benzoic acid Roflumilast Impurity 1 |
| 密度 | 1.4±0.1 g/cm3 |
|---|---|
| 沸点 | 356.4±37.0 °C at 760 mmHg |
| 熔点 | 122 °C |
| 分子式 | C12H12F2O4 |
| 分子量 | 258.218 |
| 闪点 | 169.4±26.5 °C |
| 精确质量 | 258.070374 |
| PSA | 55.76000 |
| LogP | 3.07 |
| 外观性状 | 固体;White to Light yellow powder to crystal |
| 蒸汽压 | 0.0±0.8 mmHg at 25°C |
| 折射率 | 1.528 |
| 储存条件 | 室温,干燥,密封 |
| 危害码 (欧洲) | Xi |
|---|---|
| 海关编码 | 2942000000 |
|
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| 文献:Synthesis (Germany), , vol. 44, # 23 art. no. SS-2012-H0689-OP, p. 3598 - 3602 |
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| 文献:Journal of Medicinal Chemistry, , vol. 57, # 3 p. 793 - 816 |
| 海关编码 | 2918990090 |
|---|---|
| 中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |