Agent Name

5-Bromo-4-chloro-3-indolyl beta-galactoside

Alternative Name

X-Gal

CAS Number

7240-90-6

Formula

C14-H15-Br-Cl-N-O6

Major Category

Other Uses

Synonyms

5-Bromo-4-chloroindol-3-yl-beta-D-galactopyranoside; beta-D-Galactopyranoside, 5-bromo-4-chloro-1H-indol-3-yl; [ChemIDplus] 5-Bromo-4-chloro-1H-indol-3-yl beta-D-galactopyranoside; X-Gal; [Merck Index]

Category

Biochemical Research

Description

Solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]

Sources/Uses

Chromogenic substrate of beta-galactosidase used in histological staining and cloning experiments of bacteria; [Merck Index]

Comments

May cause irritation; [Sigma-Aldrich MSDS] See "Indole" and "5-Bromo-4-chloro-3-indoxyl phosphate."

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