X-Gluc, 5-溴-4-氯-3-吲哚葡萄糖苷
别名：5-溴-4-氯-3-吲哚-β-D-葡糖苷酸环己胺盐；X-GlcA ; 5-Bromo-4-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt ; X-glucuronide CHA salt。
分子式 C14H13BrClNO7·C6H13N，分子量 521.79，CAS号 114162-64-0，MDL number MFCD00058543。
纯度 ≥98% (TLC)；
性状：白色结晶性粉末；
溶于二甲基甲酰胺(DMF)，参考浓度10mg/ml。
β-葡糖醛酸酶（β-glucuronidase (GUS)）基因检测的显色底物。
X-GlcA is a chromogenic substrate for β-galactosidase, used to determine the presence or absence of a cloned DNA insert in bacteria growing on agar plates. X-GlcA is designed to replace X-Gal in blue-white selection of recombinant bacterial colonies with the lac+ phenotype.
储存：−20°C保存。
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