D-Biotin D-生物素(维生素H) 说明：生化研究，常用于从连生物素树脂上洗脱蛋白质。 别名：D-促进素；维生素H；辅酶R；Bios II；Biotin；Coenzyme R；Vitamin B7；Vitamin H 分子式：C10H16N2O3S 分子量：244.31 CAS＃：58-85-5 外观：无色细长针状结晶 特性：特征：水溶性维生素 熔点：231-233℃ 比旋度：+89～+93º 溶液的外观：澄清无色 颜色反应：溴水褪色 干燥失重：≤1.0% 熔点：232～233℃。 用途：科研、实验。常用于从连生物素树脂上洗脱蛋白质 储存条件：2-8℃ Purity………………………….……>99％ Heavy Metals (as Pb)…………….< 0.001% Solubility……………………………H2O: soluble0.2 mg/ml (Solubility increases with addition of 1 N NaOH.) 说明：A small biomolecule, 244 Daltons, that has high binding affinity to avidin and streptavidin often used to label antibodies and enzymes. Several molecules of biotin can react with a single protein molecule to increase the sensitivity at the site of detection in ELISA, immunohistochemistry and Western Blotting.