4780-14-7

• 常用中文名：2-甲基-3-甲氧基-4H-吡喃-4-酮
• 常用英文名：3-METHOXY-2-METHYL-4H-PYRAN-4-ONE
• CAS号：4780-14-7
• 分子式：C₇H₈O₃
• 分子量：140.13700
• 发布时间：2018-11-24 18:26:23
• 更新时间：2024-01-02 21:57:14

名称

• 中文名: 3-甲氧基-2-甲基-4H-吡喃-4-酮
• 英文名: 3-methoxy-2-methylpyran-4-one
• 英文别名: 2-Methyl-3-methoxy-4H-pyran-4-one; methylmaltol; 3-methoxy-2-methyl-4-pyrone; 3-Methoxy-2-methyl-4H-pyran-4-one; 2-methyl-3-methoxy-pyranone; 2-methyl-3-methoxy-4-pyrone

物化性质

• 密度: 1.14g/cm3
• 沸点: 279.6ºC at 760 mmHg
• 分子式: C₇H₈O₃
• 分子量: 140.13700
• 闪点: 113.6ºC
• 精确质量: 140.04700
• PSA: 39.44000
• LogP: 0.95680
• 折射率: 1.492
• 储存条件: 室温，密闭，干燥

安全

• 海关编码: 2932999099

合成路线

118-71-8 77-78-1 ~74% 4780-14-7

文献：Ma, Yongmin; Luo, Wei; Quinn, Peter J.; Liu, Zudong; Hider, Robert C. Journal of Medicinal Chemistry, 2004 , vol. 47, # 25 p. 6349 - 6362

118-71-8 74-88-4 ~92% 4780-14-7

文献：Ehrlich, Michael; Carell, Thomas European Journal of Organic Chemistry, 2013 , # 1 p. 77 - 83

61049-69-2 77-78-1 ~56% 4780-14-7

文献：Andayi, Warren A.; Egan, Timothy J.; Gut, Jiri; Rosenthal, Philip J.; Chibale, Kelly ACS Medicinal Chemistry Letters, 2013 , vol. 4, # 7 p. 642 - 646

118-71-8 ~% 4780-14-7

文献：Andayi, Warren A.; Egan, Timothy J.; Gut, Jiri; Rosenthal, Philip J.; Chibale, Kelly ACS Medicinal Chemistry Letters, 2013 , vol. 4, # 7 p. 642 - 646

75-52-5 82209-15-2 ~% 4780-14-7 82209-17-4

文献：Garst, Michael E.; Frazier, Janice D. Journal of Organic Chemistry, 1982 , vol. 47, # 18 p. 3553 - 3556

6814-64-8 82209-15-2 ~% 4780-14-7

文献：Garst, Michael E.; Frazier, Janice D. Journal of Organic Chemistry, 1982 , vol. 47, # 18 p. 3553 - 3556

186581-53-3 ~% 4780-14-7

文献：Peratoner; Tamburello Gazzetta Chimica Italiana, 1906 , vol. 36 I, p. 41 Chem. Zentralbl., 1905 , vol. 76, # II p. 680

上下游产品

上游产品  8
118-71-8 77-78-1 74-88-4 61049-69-2
75-52-5 82209-15-2 6814-64-8 186581-53-3
下游产品  10
107512-34-5 64-18-6 5878-19-3 64-19-7
72830-07-0 76015-11-7 72830-09-2 72830-08-1
17184-19-9 65923-43-5

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0%
申报要素	品名, 成分含量, 用途
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%