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Thermo Scientific™ X-Gal Solution, ready-to-use

Product Code. 10508750 Shop All Thermo Scientific Products
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10 mL
Unit Size:
10mL
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Product Code. 10508750 Supplier Thermo Scientific™ Supplier No. R0941

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Description

Effectively screen colonies with X-Gal, an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal, forming an intense blue precipitate.

Formula: C14H15BrClNO6 Molecular weight: 408.6

X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galacto-pyranoside) is an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal into colorless galactose and 4-chloro-3-brom-indigo, forming an intense blue precipitate. Induction of the lacZ gene with IPTG leads to the hydrolysis of X-Gal and to the development of blue colonies (see Supporting data).

X-Gal Solution, ready-to-use, is stable, 0.22 μm membrane filtered solution formulated for direct use in conjunction with IPTG for blue/white colony screening.

Induction of the lacZ gene with IPTG leads to the hydrolysis of X-Gal and to the development of blue colonies. X-Gal Solution, ready-to-use, is a stable, 0.22μm membrane filtered solution formulated for direct use in conjunction with IPTG for blue/white colony screening.

Recommended for:

Blue/white colony screening to distinguish recombinant (white) from non-recombinant (blue) colonies (1); Visualization of beta-galactosidase reporter gene expression in transfected eukaryotic cells; Detection of beta-galactosidase activity in immunological and histochemical procedures.

Note:

Preparation of a 20mg/mL stock solution in dimethylformamide (DMF) or dimethylsulfoxide (DMSO) is recommended for X-Gal. DMF dissolves some plastic materials. The direct addition of DMF-containing solution to plastic Petri dishes should be avoided. DMF is toxic. Allow X-Gal solution containing dimethylformamide to completely dry before plating bacteria on agar plates.

TRUSTED_SUSTAINABILITY

Specifications

Detection Method Colorimetric
Product Type X-Gal Solution
Quantity 10 mL
Substrate Properties Chemical Substrate
Substrate Type Beta-Gal Substrate, X-Gal

Seguridad y manipulación

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Nombre del producto
  • X-Gal Solution, ready-to-use
 Palabra de advertencia
  • Warning
 Clasificación
  • Flammable liquid Category 3
  • Skin sensitiser Category 1
 Indicaciones de peligro
  • H226-Flammable liquid and vapour.
  • H317-May cause an allergic skin reaction.
 Consejos de prudencia
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233-Keep container tightly closed.
  • P241-Use explosion-proof electrical/ventilating/lighting/ equipment.
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P272-Contaminated work clothing should not be allowed out of the workplace.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P333+P313-If skin irritation or rash occurs: Get medical advice/attention.
  • P362+P364-Take off contaminated clothing and wash it before reuse.
  • P370+P378-In case of fire: Use dry sand, dry chemical, or alcohol-resistant foam to extinguish.
  • P403+P235-Store in a well-ventilated place. Keep cool.
  • P501b-Dispose of contents/container in accordance with local/regional/national/international regulations.
 Otros peligros
  • MIXTURE LIST-Contain: ethanol, hydroquinone, DMSO

For Research Use Only. Not for use in diagnostic procedures.

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