2139-43-7

2139-43-7结构式
2139-43-7结构式

化源商城直购

中文名 5-溴-6-[1,3]二氧烷-2-基-苯并[1,3]间二氧杂环戊烯
英文名 5-bromo-6-(1,3-dioxolan-2-yl)-1,3-benzodioxole
英文别名 2-bromo-4,5-methylenedioxybenzaldehyde ethylene acetal
2-bromo-4,5-methylendioxy-1-(1,3-dioxolanyl)benzene
5-bromo-6-[1,3]dioxolan-2-yl-benzo[1,3]dioxole
6-bromopiperonal ethylene acetal
HMS3089L19
5-bromo-6-(1,3-dioxolanyl-2-yl)-2,3-methylenedioxybenzene
密度 1.682g/cm3
沸点 322.5ºC at 760mmHg
分子式 C10H9BrO4
分子量 273.08000
闪点 130.5ºC
精确质量 271.96800
PSA 36.92000
LogP 2.22320
蒸汽压 0.000523mmHg at 25°C
折射率 1.597
海关编码 2932999099

~99%

2139-43-7结构式

2139-43-7

文献:Yoda, Hidemi; Nakahama, Akira; Koketsu, Tomomi; Takabe, Kunihiko Tetrahedron Letters, 2002 , vol. 43, # 26 p. 4667 - 4669

~72%

2139-43-7结构式

2139-43-7

文献:Bearsden Bio, Inc. Patent: US6048853 A1, 2000 ;

~%

2139-43-7结构式

2139-43-7

文献:Kita, Yasuyuki; Arisawa, Mitsuhiro; Gyoten, Michiyo; Nakajima, Makiko; Hamada, Ryuji; Tohma, Hirofumi; Takada, Takeshi Journal of Organic Chemistry, 1998 , vol. 63, # 19 p. 6625 - 6633
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%