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2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-

更新时间:2024-01-12 09:25:31

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式
2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式
委托求购
常用名 2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- 英文名 2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-
CAS号 2373-34-4 分子量 176.16900
密度 1.319g/cm3 沸点 357ºC at 760mmHg
分子式 C10H8O3 熔点 N/A
MSDS N/A 闪点 163.6ºC

 名称

英文名 5-hydroxy-4-methylchromen-2-one
英文别名 更多

 物理化学性质

密度 1.319g/cm3
沸点 357ºC at 760mmHg
分子式 C10H8O3
分子量 176.16900
闪点 163.6ºC
精确质量 176.04700
PSA 50.44000
LogP 1.80700
蒸汽压 1.36E-05mmHg at 25°C
折射率 1.611

 安全信息

海关编码 2932209090

 合成线路

~56%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:THE TRUSTEES OF COLLUMBIA UNIVERSITY IN THE CITY OF NEW YORK Patent: WO2006/26368 A2, 2006 ; Location in patent: Page/Page column 112 ;

~91%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231 Full Text Show Details Woodruff Journal of the American Chemical Society, 1942 , vol. 64, p. 2859,2860

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

文献:Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-结构式

2H-1-Benzopyran...

2373-34-4

详细
文献:Limaye; Kelkar Journal of the Indian Chemical Society, 1935 , vol. 12, p. 788

 海关

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%

 英文别名

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl
5-hydroxy-4-methyl-2H-1-benzopyran-2-one
5-hydroxy-4-methyl-chromen-2-one
5-Hydroxy-4-methylcoumarin
4-Methyl-5-hydroxycumarin
5-Hydroxy-4-methyl-cumarin