4,6-dihydroxychromen-2-one
- 中文别名:4,6-二羟基-2H-1-苯并吡喃-2-酮
- 英文别名:4,6-dihydroxychromen-2-one;
2,6-dihydroxychromen-4-one;
4,6-dihydroxy-coumarin;
4,6-Dihydroxy-cumarin;
4,6-dihydroxy-chromen-2-one
- CAS No.:30992-75-7
- 分子式:C9H6O4
- 分子量:178.14200
- 精确分子量:178.02700
- PSA:70.67000
- InChI:The Key: ORMYACLDZGAWNY-UHFFFAOYSA-N
- 分子结构式:
海关数据
中国海关编码:2932209090
- 概述:
- 2932209090. 其他内酯. 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%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%