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X-Gal(¾×»ó or Powder) (¾×»ó, 5% wt/v in DMF) |
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DESCRIPTION
X-Gal (5-Bromo-4-Chloro-3-Indolyl-¥â- D- Galactoside) is a histochemical substrate for ¥â-galactosidase. Bacteria or phages harboring ¥â-galactosidase activity will appear blue when grown on plates containing X-Gal.
STOCK SOLUTION : 5% wt/v in DMF
X-Gal is not soluble in water. A stock solution can be prepared by dissolving X-Gal in DMF (Dimethyl formamide) to a concentration of 20~50 mg/ml. Use a glass or polypropylene container. To prevent damage by light, store the solution wrapped in aluminum foil or in a dark bottle at -20¡É. It is not necessory to sterilize X-Gal solutions by filtration.
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MOLECULAR WEIGHT: 408.6
MELTING POINT: 232-234¡É
CAUTION
Avoid breathing dust. Avoid contact with skin and clothing. Wash thoroughly with soap and water after handling.
STORAGE CONDITIONS
Store at -20¡É. Shelf storage is O.K. for several weeks. Protect from light.
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A return authorization is required before shipping. Please do not return any product without first contacting Beams Biotechnology or distributor for a return authorization. All return authorizations must be issued directly from Beams Biotechnology. In the case of a purchasing error, it is our policy to deny return of product. Due to the temperature sensitivity of the products, we are unable to resell returned goods, as we are not assured of the quality.
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