栀子(黄)素A

栀子(黄)素A

5-hydroxy-6,7,8-trimethoxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one

21187-73-5

C21H22O9

418.39400

105.82000

3.21720

418.12600

1.573

218.5ºC

3.57E-16mmHg at 25°C

162-163ºC

1.3g/cm3

624.2ºC 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%