中文名 | 3,4-二氢-2,2-二甲基-4-氧代-2H-1-苯并吡喃-6-羧酸 |
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英文名 | 2,2-dimethyl-4-oxo-3H-chromene-6-carboxylic acid |
英文别名 |
6-Carboxy-2,2-dimethyl-4-chromanone
2,2-dimethyl-4-chromanone-6-carboxylic acid 2,2-dimethyl-4-oxo-chromane-6-carboxylic acid 2,2-DIMETHYL-4-OXOCHROMAN-6-CARBOXYLIC ACID 2H-1-Benzopyran-6-carboxylic acid,3,4-dihydro-2,2-dimethyl-4-oxo fraction F3 from the leaves of Piper gaudichaudianum |
分子式 | C12H12O4 |
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分子量 | 220.22100 |
精确质量 | 220.07400 |
PSA | 63.60000 |
LogP | 2.12860 |
储存条件 | 2-8°C, 干燥 |
海关编码 | 2932999099 |
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海关编码 | 2932999099 |
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中文概述 | 2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |