7-Hydroxy-2',2'-dimethyl-2'H,4H-3,6'-bichromen-4-one
- 中文别名：补骨脂宁
- 中文释义：补骨脂宁;补骨脂异黄酮
- 英文别名：7-Hydroxy-2',2'-dimethyl-2'H,4H-3,6'-bichromen-4-one;
2,2,8-trimethyl-7-hydroxychromanone;
7-hydroxy-2,2,8-trimethyl-2,3-dihydro-4H-benzopyran-4-one;
isowighteone;
7-Hydroxy-2,2,8-trimethyl-4-chromanone;
Corylin;
7-HYDROXY-2,2,8-TRIMETHYL-2,3-DIHYDRO-4H-CHROMEN-4-ONE;
2,3-dihydro-7-hydroxy-2,2,8-trimethyl-4H-benzopyran-4-one;
7-Hydroxy-2,2,8-trimethylchroman-4-one
- CAS No.：53947-92-5
- 分子式：C20H16O4
- 分子量：320.33900
- 精确分子量：320.10500
- PSA：59.67000
- InChI：InChI=1/C20H16O4/c1-20(2)8-7-13-9-12(3-6-17(13)24-20)16-11-23-18-10-14(21)4-5-15(18)19(16)22/h3-11,21H,1-2H3
- 分子结构式：
海关数据
中国海关编码：2914400090
- 概述：
- 2914400090 其他酮醇及酮醛。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%
- 申报要素：
- 品名, 成分含量, 用途, 丙酮报明包装
- 摘要/Summary：
- 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%
