2373-34-4

• 常用中文名：2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-
• 常用英文名：2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-
• CAS号：2373-34-4
• 分子式：C₁₀H₈O₃
• 分子量：176.16900
• 发布时间：2017-04-17 18:27:25
• 更新时间：2024-01-12 09:25:31

名称

• 英文名: 5-hydroxy-4-methylchromen-2-one
• 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

物化性质

• 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

• 海关编码: 2932209090

合成路线

699-83-2 1099-45-2 ~56% 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 ;

137565-37-8 ~91% 2373-34-4

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

86100-69-8 ~% 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

699-83-2 ~% 2373-34-4

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

2150-47-2 ~% 2373-34-4

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

89-86-1 ~% 2373-34-4

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

70093-11-7 ~% 2373-34-4

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

137565-36-7 ~% 2373-34-4

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

699-83-2 127-09-3 108-24-7 ~% 2373-34-4 详细

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

上下游产品

上游产品  9
699-83-2 1099-45-2 86100-69-8 70093-11-7
137565-36-7 2150-47-2 89-86-1 127-09-3
108-24-7
下游产品  1
5255-59-4

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%