| 英文名 | 5-hydroxy-2,2-dimethylchromene-6-carboxylic acid |
|---|---|
| 英文别名 | 2H-1-Benzopyran-6-carboxylic acid,5-hydroxy-2,2-dimethyl |
| 分子式 | C12H12O4 |
|---|---|
| 分子量 | 220.22100 |
| 精确质量 | 220.07400 |
| PSA | 66.76000 |
| LogP | 2.27460 |
| 海关编码 | 2918199090 |
|---|
|
~95%
525-25-7 |
| 文献：Lee, Yong Rok; Kim, Do Hoon Synthesis, 2006 , # 4 p. 603 - 608 |
|
~%
525-25-7 |
| 文献：Nickl Chemische Berichte, 1959 , vol. 92, p. 1989,1994 |
|
~%
525-25-7 |
| 文献：Takei et al. Chemische Berichte, 1933 , vol. 66, p. 1826,1828 |
|
~%
525-25-7 |
| 文献：Nickl Chemische Berichte, 1959 , vol. 92, p. 1989,1994 |
|
~%
525-25-7 |
| 文献：Nickl Chemische Berichte, 1959 , vol. 92, p. 1989,1994 |
|
~%
525-25-7 |
| 文献：Burrows et al. Proceedings of the Chemical Society, London, 1959 , p. 150 |
|
~%
525-25-7 |
| 文献：Stamm et al. Helvetica Chimica Acta, 1958 , vol. 41, p. 2006,2020 |
| 上游产品 8 | |
|---|---|
| 下游产品 1 | |
| 海关编码 | 2918199090 |
|---|---|
| 中文概述 | HS: 2918199090. 其他含醇基但不含其他含氧基羧酸（包括其酸酐、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:9.0%. 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 | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
