chromene-2,4-dione
- 中文别名：chromene-2,4-dione
- 中文释义：chromene-2,4-dione
- 英文别名：chromene-2,4-dione;
2,4-chromanedione;
2-hydroxy-chromen-4-one;
2,4-chromandione;
4-hydroxy-chromen-2-one;
chroman-2,4-dione
- CAS No.：4438-85-1
- 分子式：C9H6O3
- 分子量：162.14200
- 精确分子量：162.03200
- PSA：43.37000
- InChI：The Key: BQLSCAPEANVCOG-UHFFFAOYSA-N
- 分子结构式：
海关数据
中国海关编码：2932999099
- 概述：
- 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%
- 申报要素：
- 品名, 成分含量, 用途
- 摘要/Summary：
- 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%
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