196597-79-2

• 常用中文名：(E)-(1,6,7,8-四氢-2H-茚并[5,4-b]呋喃-8-亚基)乙腈
• 常用英文名：(E)-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)acetonitrile
• CAS号：196597-79-2
• 分子式：C₁₃H₁₁NO
• 分子量：197.232
• 发布时间：2018-06-11 18:08:09
• 更新时间：2026-07-08 21:45:36

名称

• 中文名: (E)-2-(1,2,6,7-四氢-8H-茚并[5,4-b]呋喃-8-亚基)乙腈
• 英文名: (2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile
• 中文别名: (E)-2-(1,2,6,7-四氢-8H-茚并[5,4-B]呋喃-8-亚基)乙腈; 雷美替胺杂质B; (2E)-1,2,6,7-四氢-8H-茚[5,4-B]呋喃-8-亚基乙烷氰基; (E)-(1,6,7,8-四氢-2H-茚并[5,4-B]呋喃-8-亚基)乙腈; (E)-(1,6,7,8-四氢-2H-茚并[5,4-B]呋喃-8-亚基)乙腈/196-2
• 英文别名: QC-4937; (1,2,6,7-Tetrahydro-3-oxa-as-indacen-8-ylidene)-acetonitrile; 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile; (E)-2-(6,7-dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile; Ramelteon Imputiry B; (E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidone)Acetonitrile; (E) -2- (1,2,6,7- tetrahydro -8H- indeno [5,4-b] furan-8-ylidene) acetonitrile; (2E)-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylideneethanenitrile; Acetonitrile, 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E); Acetonitrile, (1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E); Ramelteon Impurity 6; (2E)-2-(1,2,6,7-tetrahydrocyclopenta[e]benzofuran-8-ylidene)acetonitrile; (1, 6,7,8-Tetrahydro-2H-indeno-[5,4-b]furan-8-ylidene) -acetonitrile; (2E)-1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-ylideneacetonitrile; (E)-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)acetonitrile; Ramelteon-2; (E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile

物化性质

• 密度: 1.321±0.06 g/cm3
• 沸点: 392.1±21.0 °C at 760 mmHg
• 熔点: 146-151 ºC
• 分子式: C₁₃H₁₁NO
• 分子量: 197.232
• 闪点: 165.0±15.9 °C
• 精确质量: 197.084061
• PSA: 33.02000
• LogP: 3.10
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.711
• 储存条件: 室温

安全

• 海关编码: 2932999099

合成路线

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%