5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside
7240-90-6
Yes
2026-11-27
Coenzymes,Inhibito,Enzymes,Zymogens,Substrates,Native Microorganism Creatine Amidinohydrolase
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Product Details
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Seller Information
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Description
ProductName 5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside Cat No CSUB-0266 Applications 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. Form powder Enzyme Commission Number 230-640-8 CAS No 7240-90-6 Molecular Weight 408.63 Storage -20°C Synonyms 5-Bromo-4-chloro-3-indolyl β-D-galactoside; BCIG; X-Gal Molecular Formula C14H15BrClNO6 MDL Number MFCD00005666 PubChem Substance ID 24891761.0 Beilstein Registry Number 1402009.0 Substrates Galactosidase, beta category Saccharides(c1518) cas_num 7240-90-6 ECHEMI Editorial ReferenceX-GAL(BCIG) is an organic compound consisting of galactose linked to a substituted indole; X-gal is much used in molecular biology to test for the presence of an enzyme, β-galactosidase.
5-bromo-4-chloro-3-indolyl beta-D-galactoside is an indolyl carbohydrate that is the beta-D-galactoside of 3-hydroxy-1H-indole in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of an enzyme, beta-galactosidase, which cleaved the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product. It has a role as a chromogenic compound. It is an indolyl carbohydrate, a beta-D-galactoside, an organochlorine compound, an organobromine compound and a D-aldohexose derivative.
White PowderBasic Info-
Product Name:
5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
Other Name:X-BETA-D-GAL;X-BETA-D-GALACTOSIDE;X-BETA-GAL;X-GAL READY TO USE;X-GAL;5-BROMO-4-CHLORO-1H-INDOL-3-YL BETA-D-GALACTOPYRANOSIDE;5-BROMO-4-CHLORO-1H-INDOL-3-YL BETA-D-GALACTOSIDE-(1,5);5-BROMO-4-CHLORO-3-INDOLYL-B B-D-GALACTOPYRANOSIDE
CAS No.:7240-90-6
Molecular Formula:C14H15BrClNO6
InChIKeys:OPIFSICVWOWJMJ-AEOCFKNESA-N
Molecular Weight:408.63
Exact Mass:408.63
BRN:1402009
EC Number:230-640-8
UNII:V595OG374W
Color/Form:White
HScode:29389090
Categories:
Characteristics-
PSA:
115
XLogP3:0.62
Appearance:White Powder
Density:1.5563 (rough estimate)
Melting Point:230 °C
Boiling Point:673.9±55.0 °C(Predicted)
Flash Point:361.3±0.0 °C
Refractive Index:1.6110 (estimate)
Water Solubility:soluble in 100 mM in DMSO.
Storage Conditions:2-8°C
Specific rotation:-64 º (C=1, H2O/DMF (1/1))
Odor:Odorless
PKA:12.74±0.70(Predicted)
Critical Temperature & Pressure:-20°C
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
H312 Harmful in contact with skin
H332 Harmful if inhaled
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Coenzymes,Inhibito,Enzymes,Zymogens,Substrates,Native Microorganism Creatine Amidinohydrolase
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Location:
Shirley, New York 11967, USA
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Payment Terms:
TT against copy of documents,D/P
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Average lead Time:
15 days
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Total Annual Revenue:
$1 million-$2.5 million
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Year of Establishment:
2004
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Country Product Purchase Quantity Date Posted Post an enquiry for this product
