英语词典化工词典

7-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID

7-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID


  • 中文别名:7-甲氧基-2H-苯并吡喃-3-甲酸
  • 中文释义:7-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID
  • 英文别名:7-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID;
    7-Methoxy-2H-chromen-3-carbonsaeure;
    acide methoxy-7 2H chromene carboxylique-3 
  • CAS No.:57543-60-9
  • 分子式:C11H10O4
  • 分子量:206.19
  • 精确分子量:206.05800
  • PSA:55.76000
  • InChI:The Key: AYKKNCZWZNXBGY-UHFFFAOYSA-N
  • 分子结构式:

物化性质

海关代码:
2918990090

安全信息

海关代码:
2918990090

海关数据

中国海关编码:2918990090

概述:
2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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