5,7-二羟基-3’,4’,5’-三甲氧基黄烷酮

5,7-二羟基-3’,4’,5’-三甲氧基黄烷酮

5,7-dihydroxy-2-(3,4,5-trimethoxyphenyl)-2,3-dihydrochromen-4-one

62252-10-2

C18H18O7

346.33100

94.45000

2.83010

346.10500

1.604

205.3ºC

227-230ºC

1.348g/cm3

562.6ºC 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%