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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥98.0%

Catalog Number: (437132J)

Supplier: VWR Chemicals

Description: X-Gal is a chromogenic substrate for ß-Galactosidase that forms an intense blue precipitate. Used in conjunction with IPTG in a colorimetric assay, X-Gal allows differentiation of recombinants from non recombinants in cloning experiments with vectors containing the lacZ gene. It is also used in microbiology to detect microorganisms which have ß-Galactosidase activity.

UOM: 1 * 1 g

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X-GlcA ((5-bromo-4-chloro-3-indolyl-ß-D-glucuronide) cyclohexylammonium salt) for molecular biology

Catalog Number: (438542E)

Supplier: VWR Chemicals

Description: (5-Bromo-4-chloro-3-indolyl-ß-D-glucuronide) cyclohexylammonium salt (X-GlcA) is a chromogenic substrate for detection of the ß-glucuronidase (GUS) gene, producing a blue colour in GUS+ bacterial colonies.

UOM: 1 * 100 mg

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