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![螺[2H-1-苯并吡喃-2,1-环戊并n]-4(3h)-酮结构式](https://www.chemicalbook.com/CAS/GIF/62756-19-8.gif)
| CAS号 : | 62756-19-8 |
精确质量 : | 202.09900 |
| 分子式 : | C13H14O2 |
logP : | 2.96460 |
| 分子量 : | 202.24900 |
PSA : | 26.30000 |
螺[2H-1-苯并吡喃-2,1-环戊并n]-4(3h)-酮 | |
spiro[3H-chromene-2,1'-cyclopentane]-4-one | |
62756-19-8 | |
C13H14O2 | |
202.24900 | |
26.30000 | |
2.96460 | |
202.09900 |
|
2932999099
|
品名, 成分含量, 用途 |
|
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% |
|
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% |