亚洲一区精品在线_爽爽影院免费观看_亚洲一区二区三区四区五区黄_新网球王子tv_真正男子汉第一期_中日韩一卡二卡三卡四卡_和搜子居同的日子中文_国产在线观看www_亚洲A片无码一区二区三区公司_暖暖 免费 日本 在线观看10_牛播tv影视_国产开嫩包视频在线观看_免费费很色视频大片_野花社区日本最新中文_黑白配高清国语免费观看_真实女人揄情揄拍视频_国产小视频免费在线观看_国产寡妇性视频_最近中文字幕视频在线MV_国产亚洲精品久久久久久牛牛

Chemical name: 2-N-Butyl-4-Spirocyclopentane-1-[(2-Cyanobiphenyl-4-Yl)Methyl]-2-Imidazolin-5-One
Structural formula:

CAS No. : 138402-11-6
Molecular formula: C₂₅H₂₈N₆O
Molecular weight: 428.54

Specification: EP,USP,JP,CP etc.
Properties:white or off-whiter crystalline powder，tasteless，slightly soluble in ethanol，very slightly soluble in chloroform，not soluble in water，it can be dissolved in0.1NNaOH。
Assay:≥99.0%
 Related substance:<1.0%
Loss on drying:≤0.5%
Residule on ignition:<0.1% 
Heavy metal:≤0.001% 
Chloride:≤0.006%  
Ethanol:≤0.2%