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16555 Sigma-Aldrich

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

≥98.0% (HPLC)

Synonym: X-α-Gal

  • CAS Number 107021-38-5

  • Empirical Formula (Hill Notation) C14H15BrClNO6

  • Molecular Weight 408.63

  •  MDL number MFCD00063780

  •  PubChem Substance ID 329751267

  •  NACRES NA.32

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Properties

InChI Key   OPIFSICVWOWJMJ-YGEXGZRRSA-N
Quality Level   100
assay   ≥98.0% (HPLC)
optical activity   [α]/D 135.0±5.0°, c = 1 in DMF/H2O 1:1
storage temp.   −20°C

Description

Application

5-Bromo-4-chloro-3-indolyl α-D-galactopyranoside is suitable as a substrate for α-galactosidase. It has been used:
• in the yeast two-hybrid screen
• for differentiating α-galactosidase-positive strains of yeast
• to determine melibiase activity in yeast and to identify Saccharomyces cerevisiae A241 × Saccharomyces uvarum C995 hybrids

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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