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B4252 Sigma-Aldrich

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

≥98%, powder

Synonym: 5-Bromo-4-chloro-3-indolyl β-D-galactoside, BCIG, X-Gal

  • CAS Number 7240-90-6

  • Empirical Formula (Hill Notation) C14H15BrClNO6

  • Molecular Weight 408.63

  •  Beilstein/REAXYS Number 1402009

  •  EC Number 230-640-8

  •  MDL number MFCD00005666

  •  PubChem Substance ID 24891761

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Description

Packaging

1, 2, 5 g in poly bottle

50, 100, 250, 500 mg in poly bottle

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.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

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Certificate of Origin

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Protocols & Articles
Peer-Reviewed Papers
15

References

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