状态：根据分子量的不同，呈现固体或者粘稠液体。 保持条件：-20℃长期保存，避光，干燥。 1、绝大部分产品备有现货，一般情况下都能订货当日发货。 2、部分非常用产品，需提前1－2日预订，海外期货则需要提前3-6周预订。 3、部分产品价格会因货期、批次 ...

College of Pharmacy, Guizhou Provincial Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University, Guiyang 550004, People’s Republic of China ...

This study aims to design and synthesize novel fluoroquinolone analogs derived from Ciprofloxacin hydrazide, with the goal of ...

简介：它是一种高度功能化的生物材料，由八个臂状结构的聚乙二醇（PEG）核心与叶酸（FA）分子通过化学连接而成。 结构：8 ARM-PEG-FA的化学结构 ...

WE have been making a study of the crystal structure of d-tartaric acid by X-ray analysis. This is a classical substance which presents some little difficulty in complete analysis owing to its low ...

Biotin-SS-Tyramide是由Tyramide、SS、Biotin三部分组成的具有良好的生物活性与反应特性的分子标记物。Biotin-SS-Tyramide通过与抗体结合，形成Biotin-Antibody复合 ...

Department of Process Chemistry, Gilead Sciences, 333 Lakeside Drive, Foster City, California 94404, United States ...