5,7-二甲氧基-2-甲基-2-苯基-2,3-二氢-4H-苯并吡喃-4-酮

5,7-二甲氧基-2-甲基-2-苯基-2,3-二氢-4H-苯并吡喃-4-酮

5,7-dimethoxy-2-methyl-2-phenyl-3H-chromen-4-one

135110-60-0

C18H18O4

298.33300

44.76000

3.58440

298.12100

1.563

206.382ºC

0mmHg at 25°C

1.173g/cm3

465.068ºC 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%