aThis is cis-and trans isomers,supplier can provide the large majority of trans. 正在翻译,请等待...[translate]
对样品 [translate] aresidential roof terrace 正在翻译,请等待... [translate] amixture of cis-and trans isomers 混合物同边和转同质异能素 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51La...
The meaning of CIS-TRANS ISOMERISM is geometric isomerism in unsaturated compounds or cyclic compounds depending usually on the presence in the molecule of a pair of substituted groups (as unsymmetrically substituted methylene groups) so that the isomers
β-Methylstyrene (Mixture of Cis-Trans isomers)快速询单 CAS No.: 637-50-3 分子式: C9H10 分子量: 118.1757 别名: 反式-β-甲基苯乙烯;β-甲基苯乙烯;β-甲基苯乙烯(顺反异构体混合物)(含稳定剂TBC);1-丙烯基苯;beta-Methylstyrene (cis- and trans- mixture)(stabilized with TBC) β-甲基苯乙...
To the best of our knowledge, the current study is the first structural and spectral investigation on the imidazole N-alkylation of imidazole/pyrene/imidazole based compounds after successful separation of cis and trans isomers.doi:10.1016/j.tet.2015.04.012Bin-Bin Ma...
1) 甄准编号: ZZS-34373-250MG; 2) 中文品名: 环草隆; 3) 英文品名: Siduron Mixture Of Cis And Trans Isomers; 4) CAS No.1982-49-6; 5) 规格: 250mg 甄准免费 公司简介 上海甄准生物科技有限公司(简称甄准)专业提供科研试剂产品,主要包括高端化学试剂、生物学试剂、分析标准品、对照品、标准物质等...
顺反异构物(cis-trans isomers)又称几何异构物(geometric isomers,但此种说法已不被IUPAC取用),属於立体异构物(ste… case.ntu.edu.tw|基于40个网页 2. 顺反异构体 几何异构体又名顺反异构体(cis-trans isomers)在空间关系上不是镜像,而且理化性质不同,各基团之间的距离也不同,因而 … ...
(17)CHMeCHMe(T1 state) =cis_ or trans_ - CHMe=CHMe (SO state) Deactivation of the T1 state by (17) yields either isomer with equal probability. The photostationary state actually contains cis- and trans-isomers in the proportion 47:53, for the reason that the ci...
中文名称:正丁亚基邻苯二甲酰胺 中文别名:3-正丁烯基苯酞; 3-亚丁基-1(3H)-异苯并呋喃酮 CAS No:551-08-6 EINECS号:208-991-3 分子式:C 12 H 12 O 2 沸点:312°Cat760mmHg 闪光点:113 ºC 密度:1.103 安全
1) cis and trans isomers 顺、反异构体1. A method for separation and determination cis and trans isomers of β -Carotene was developed by using a Zorbax ODS C 18 250×4. 6mm5μm 色谱柱,流动相为甲醇∶乙腈∶石油醚(35∶55∶10),流速:1mL/min,检测波长:450nm ,建立 RP-HPLC 分离测定 ...