4,9-dimethoxy-7-methyl-6,7-dihydrofuro[3,2-g]chromen-5-one

3380-63-0

C14H14O5

262.25800

57.90000

2.80370

262.08400

1.568

213.5ºC

1.256g/cm3

429.4ºC at 760 mmHg

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%