5,6,7-三羟基-2-(4-羟基-3-甲氧基苯基)-4H-1-苯并吡喃-4-酮

5,6,7-三羟基-2-(4-羟基-3-甲氧基苯基)-4H-1-苯并吡喃-4-酮

5,6,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)chromen-4-one

23494-48-6

C16H12O7

316.26200

120.36000

2.29100

316.05800

1.727

249.3ºC

9.27E-18mmHg at 25°C

1.605g/cm3

655ºC at 760 mmHg

2914509090

品名, 成分含量, 用途, 丙酮报明包装

2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%

HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%