久久亚洲精品天码av,午夜福利屄插穴,午夜福利视频91,亚欧美爽爽爽爽爽,亚洲欧美日韩色色图片,青青操在线观看,精品天堂麻豆av,无码av东京热,婷婷成人亚洲少妇

中文名稱：5-羧基四甲基羅丹明-炔烴

5-四甲基羅單明炔基化物

其它名稱：5-TAMRA alkyne

5-Carboxytetramethylrhodamine-Alkyne

CAS NO：945928-17-6

分子式：C28H25N3O4

分子量：467.52 g/mol

溶解性：Soluble in DMSO

含 量：95%+

外 觀：固體粉末

保存方法：-20避光避濕

Ex/Em:555/575

結(jié)構(gòu)式：

產(chǎn)品簡介:The red-fluorescent tetramethylrhodamine alkyne can be reacted with azides via a copper-catalyzed click reaction. Click chemistry describes a class of chemical reactions that use bio-orthogonal or biologically unique moities to label and detect a molecule of interest using a two-step procedure. The two-step reaction procedure involves a copper-catalyzed triazole formation of an azide and an alkyne. Click reactions have several characteristics: the reaction between the detection moieties is efficient; no extreme temperatures or solvents are required; the reaction product is stable; the components of the reaction are bioinert; and perhaps most importantly, no side reactions occur – the label and detection tags react selectively and specifically with one another. Unlike traditional chemical reactions utilizing succinimidyl esters or maleimides that target amines and sulfhydryls – functional groups that are not unique – click chemistry-labeled molecules can be applied to complex biological samples and be detected with unprecedented sensitivity due to extremely low background.

• 供應(yīng)商：西安凱新生物科技有限公司

• 請點擊此處進入西安凱新生物科技有限公司商鋪查看

• 請點擊此處進入西安凱新生物科技有限公司商鋪查看

• 

小分子PEG是指PEG以2個或2個以上的重復(fù)單元相連接而成，他們不同于高分子PEG，他們的分子量都是固定值，而分子量的大小跟重復(fù)單元相關(guān)，重復(fù)單元越高，分子量越大，因為他們不是高分子聚合物的PEG，而是一種小分子的重復(fù)單元PEG衍生物，因此他們常常是一種純的小分子PEG產(chǎn)品，可以用純度和CAS號來標識他們。

其它相關(guān)產(chǎn)品：