51751-33-8

• 常用中文名：methyl 2-methyl-4-oxo-chromene-3-carboxylate
• 常用英文名：methyl 2-methyl-4-oxo-chromene-3-carboxylate
• CAS号：51751-33-8
• 分子式：C₁₂H₁₀O₄
• 分子量：218.20500
• 发布时间：2017-03-24 13:32:23
• 更新时间：2024-02-11 12:23:26

名称

• 英文名: methyl 2-methyl-4-oxochromene-3-carboxylate
• 英文别名: methyl 2-methyl-4-oxo-chromene-3-carboxylate

物化性质

• 密度: 1.278g/cm3
• 沸点: 320.4ºC at 760 mmHg
• 分子式: C₁₂H₁₀O₄
• 分子量: 218.20500
• 闪点: 140.8ºC
• 精确质量: 218.05800
• PSA: 56.51000
• LogP: 1.88800
• 折射率: 1.562

安全

• 海关编码: 2918300090

合成路线

105-45-3 393-52-2 ~48% 51751-33-8

文献：BRISTOL-MYERS SQUIBB COMPANY; BATT, Douglas, G. Patent: WO2010/9069 A1, 2010 ; Location in patent: Page/Page column 39 ; WO 2010/009069 A1

20349-86-4 ~% 51751-33-8

文献：Warner-Lambert Company Patent: US3937837 A1, 1976 ;

186581-53-3 93562-17-5 ~4% 51751-33-8 180137-28-4

文献：Ghosh, Chandra Kanta; Sahana, Sirin; Ghosh, Chandreyi Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 7 p. 669 - 672

39079-62-4 ~% 51751-33-8

文献：Ghosh, Chandra Kanta; Sahana, Sirin; Ghosh, Chandreyi Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 7 p. 669 - 672

67-56-1 51751-37-2 ~% 51751-33-8

文献：Charlton, James L.; Sayeed, Vilayat A.; Lypka, Gerald N. Canadian Journal of Chemistry, 1982 , vol. 60, p. 1996 - 2001

78589-59-0 ~56% 51751-33-8

文献：Babin, P.; Dunogues, J.; Petraud, M. Tetrahedron, 1981 , vol. 37, p. 1131 - 1139

5538-51-2 ~% 51751-33-8

文献：Babin, P.; Dunogues, J.; Petraud, M. Tetrahedron, 1981 , vol. 37, p. 1131 - 1139

186581-53-3 51751-37-2 ~% 51751-33-8

文献：Ghosh, Chandra Kanta; Pal, Chandana; Maiti, Jharna; Bhattacharyya, Atanu Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989 , vol. 28, # 1-11 p. 448 - 453

上下游产品

上游产品  9
105-45-3 393-52-2 20349-86-4 186581-53-3
93562-17-5 39079-62-4 67-56-1 51751-37-2
5538-51-2
下游产品  5
2555-37-5 32595-98-5 83344-76-7 3780-33-4
51751-37-2

海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（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:9.0% 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	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%