3-Pyridinecarboxylicacid, 1,2-dihydro-6-hydroxy-4-methyl-2-oxo-, ethyl ester
- 中文别名:(3Z)-3-(乙氧基-羟基-亚甲基)-4-甲基-吡啶-2,6-二酮
- 中文释义:(3Z)-3-(ethoxy-hydroxy-methylidene)-4-methyl-pyridine-2,6-dione
- 英文别名:3-Pyridinecarboxylic acid, 1,2-dihydro-6-hydroxy-4-methyl-2-oxo-, ethyl ester;
2,6-Dihydroxy-3-ethoxycarbonyl-4-methylpyridine;
NSC 22593
- CAS No.:56951-00-9
- 分子式:C9H11NO4
- 分子量:0
- 精确分子量:197.06881
- PSA:79.39000
- InChI:The Key: WYOOCSFQISHBAA-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.292g/cm3
- 沸点:
- 307.3ºC at 760mmHg
- 闪点:
- 139.7ºC
- 折射率:
- 1.538
安全信息
- 密度:
- 1.292g/cm3
- 沸点:
- 307.3ºC at 760mmHg
- 闪点:
- 139.7ºC
- 折射率:
- 1.538
海关数据
中国海关编码:2933399090
- 概述:
- 2933399090. 其他结构含非稠合吡啶环的化合物. 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, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
- 摘要/Summary:
- 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%