X-Gal 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside
5-溴-4-氯-3-吲哚-β-D-半乳糖苷
PB11128 Roche 50mg 280.00
PB11128-1 newprobe 100mg 45.00
PB11128-2 newprobe 500mg 200.00
产品说明 是β半乳糖苷酶的一种底物 分子式:C14H15BrClNO6 分子量:408.64 保存:-20℃
5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside
BioChemika, for molecular biology, ≥98.0% (TLC)
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Synonym
5-Bromo-4-chloro-3-indolyl β-D-galactoside
BCIG
X-Gal
Molecular Formula C14H15BrClNO6
Molecular Weight 408.63
Descriptions
Application
X-Gal is a chromogenic substrate for β-galactosidase that produces a rich blue color that can easily be detected visually over background. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.
Properties
grade
for molecular biology
BioChemika
assay ≥98.0% (TLC)
total impurities
DNases, none detected
RNases, none detected
phosphatases, none detected
proteases, none detected
suitability
suitable as substrate for β-galactosidase test
storage temp.
2-8°C