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5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside_Molecular_structure_CAS_7240-90-6)
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5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside

Catalog No. 16664 Name Sigma Aldrich
CAS Number 7240-90-6 Website http://www.sigmaaldrich.com
M. F. C14H15BrClNO6 Telephone 1-800-521-8956
M. W. 408.629 Fax
Purity ≥98.0% (TLC) Email
Storage Chembase ID: 130195

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
MSDS Link Download
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.

REFERENCES