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5-Bromo-4-chloro-3-indolyl-β-D-galactopyranoside, Fisher BioReagents

For blue/white colony screening, immunoblotting and immunocytochemical assays

$44.12 - $161.49

Chemical Identifiers

Chemical Name or Material 5-Bromo-4-chloro-3-indolyl- β-D-galactopyranoside
CAS 7240-90-6
Molecular Formula C14H15BrClNO6
Formula Weight 408.63g/mol
Synonym X-Gal
View More Specs
Products
Catalog Number Mfr. No. Packaging Quantity Price Quantity    

BP1615-1

  SDS
fisher scientific company
FLBP1615-1
Glass Bottle 1g Each for $161.49
Case of 6 Each for $968.94

BP1615-100

  SDS
fisher scientific company
FLBP1615-100
Glass Bottle 100mg Each for $44.12
Case of 6 Each for $264.72
Description & Specifications

Specifications

Identification Pass Test
Molar Absorption Coefficient 4000 /g-cm. min.
Packaging Glass Bottle
Specific Rotation -56 to -64° (+ or -)
TLC Single spot
Alpha Vector Bromo-4-chloro-3-indolyl-[beta]-D-galactopyranoside (X-Gal)
Color White
Melting Point 230°C / 446°F
Quantity 1g
Chemical Name or Material 5-Bromo-4-chloro-3-indolyl- β-D-galactopyranoside
CAS 7240-90-6
Physical Form Powder; Solid
Molecular Formula C14H15BrClNO6
Formula Weight 408.63g/mol
Merck Index 15, 10272
Synonym X-Gal
ChemAlert Storage Symbol Gray
Recommended Storage -20°C

X-Gal is a chromogenic substrate used for blue-white selection of recombinant bacterial colonies with the lac+ genotype. It is also used for immunoblotting and immunocy

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Safety and Handling
 

-20°C