5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside

• Catalog No.: 16664
• CAS Number: 7240-90-6
• M. F.: C14H15BrClNO6
• M. W.: 408.629
• Purity: ≥98.0% (TLC)

SYNONYMS

• IUPAC name: (2S,3R,4S,5R,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
• IUPAC Traditional name: X-gal
• Synonyms: X-Gal; BCIG; 5-Bromo-4-chloro-3-indolyl β-D-galactoside

DATABASE IDS

• EC Number: 230-640-8
• Beilstein Number: 1402009
• CAS Number: 7240-90-6
• MDL Number: MFCD00005666

PROPERTIES

• Empirical Formula (Hill Notation): C14H15BrClNO6
• Grade: for molecular biology
• Impurities: DNases, none detected
• Impurities: RNases, none detected
• Impurities: phosphatases, none detected
• Impurities: proteases, none detected
• Product Line: BioReagent
• Purity: ≥98.0% (TLC)
• Suitability: suitable as substrate for β-galactosidase test
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• Storage Temperature: 2-8°C
• German water hazard class: 3

DETAILS

Description (English)

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.

Description (简体中文)

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.