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51751-34-9生产厂家

51751-34-9价格

51751-34-9

51751-34-9结构式
51751-34-9结构式

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中文名 4-羟基-2-氧代-2H-色烯-3-甲醛
英文名 4-hydroxy-2-oxo-2h-chromene-3-carbaldehyde
英文别名 4-hydroxy-2-oxo-chromen-3-carbaldehyde
4-hydroxy couMarin-3-carbaldehyde
4-HYDROXY-3-FORMYLCOUMARIN
4-hydroxy-2-oxo-2H-1-benzopyran-3-carboxaldehyde
2H-1-benzopyran-3-carboxaldehyde,4-hydroxy-2-oxo
4-hydroxy-2-oxo-2H-chromen-3-carbaldehyde
4-hydroxycoumarin-3-carboxaldehyde
AURORA KA-4670
4-hydroxy-2-oxo-2H-benzopyran-3-carboxaldehyde
密度 1.63g/cm3
沸点 405.082ºC at 760 mmHg
熔点 138-140°C (lit.)
分子式 C10H6O4
分子量 190.15200
闪点 170.059ºC
精确质量 190.02700
PSA 67.51000
LogP 1.31110
折射率 1.759
储存条件 室温
危害码 (欧洲) Xi
海关编码 2932209090

~80%

51751-34-9结构式

51751-34-9

文献:CLARIANT INTERNATIONAL LTD. Patent: EP1516895 A1, 2005 ; Location in patent: Page/Page column 6 ;

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51751-34-9结构式

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文献:Ibrahim, Magdy A. Tetrahedron, 2009 , vol. 65, # 36 p. 7687 - 7690

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51751-34-9结构式

51751-34-9

文献:Ibrahim, Magdy A. Tetrahedron, 2009 , vol. 65, # 36 p. 7687 - 7690

~68%

51751-34-9结构式

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文献:Rahman; Khan; Siddiqi; Zaman Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, 1990 , vol. 29, # 10 p. 941 - 943

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51751-34-9结构式

51751-34-9

文献:Milevskii; Chibisova; Solov'Eva; Anisimova; Lebedev; Ivanov; Traven Chemistry of Heterocyclic Compounds, 2013 , vol. 48, # 12 p. 1781 - 1792 Khim. Geterotsikl. Soedin., 2013 , vol. 48, # 12 p. 1903 - 1915,13

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51751-34-9结构式

51751-34-9

文献:Shkumat, A. P.; Babich, Yu. P.; Pivnenko, N. S.; Kazarov, A. E.; Polyakov, V. K.; et al. J. Gen. Chem. USSR (Engl. Transl.), 1989 , vol. 59, # 11 p. 2618 - 2625,2340 - 2346

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51751-34-9结构式

51751-34-9

文献:Milevskii; Chibisova; Solov'Eva; Anisimova; Lebedev; Ivanov; Traven Chemistry of Heterocyclic Compounds, 2013 , vol. 48, # 12 p. 1781 - 1792 Khim. Geterotsikl. Soedin., 2013 , vol. 48, # 12 p. 1903 - 1915,13
海关编码 2932209090
中文概述 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
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%