中文名 | 2-羟基-4-氧代-2-戊酸 |
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英文名 | 2-hydroxy-4-oxopentanoic acid |
英文别名 |
2-hydroxy-4-oxo-valeric acid
Pentanoic acid,2-hydroxy-4-oxo-(9CI) Pentanoic acid,2-hydroxy-4-oxo 2-Hydroxy-4-oxo-valeriansaeure rac-2-hydroxy-4-oxo-2-pentanoic acid |
分子式 | C5H8O4 |
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分子量 | 132.11500 |
精确质量 | 132.04200 |
PSA | 74.60000 |
储存条件 | 2-8°C,干燥,密封 |
海关编码 | 2918990090 |
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~19% 54031-97-9 |
文献:Paju, Anne; Kanger, Tonis; Pehk, Tonis; Lindmaa, Rasmus; Mueuerisepp, Aleksander-Mati; Lopp, Margus Tetrahedron Asymmetry, 2003 , vol. 14, # 11 p. 1565 - 1573 |
~% 54031-97-9 |
文献:Guthrie,J.P. Journal of the American Chemical Society, 1972 , vol. 94, p. 7024 - 7029 |
~10% 54031-97-9 |
文献:Lueoend, Rainer M.; Walker, Josef; Neier, Reinhard W. Journal of Organic Chemistry, 1992 , vol. 57, # 18 p. 5005 - 5013 |
海关编码 | 2918990090 |
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中文概述 | 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 |
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% |