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5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside
Cat No.
CSUB-0266
Applications
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.
Form
powder
Enzyme Commission Number
230-640-8
CAS No.
7240-90-6
Molecular Weight
408.63
Storage
-20°C
Synonyms
5-Bromo-4-chloro-3-indolyl β-D-galactoside; BCIG; X-Gal
Molecular Formula
C14H15BrClNO6
MDL Number
MFCD00005666
PubChem Substance ID
24891761
Beilstein Registry Number
1402009
Substrates
Galactosidase, beta
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