85-1359-45　X-Gal, 40mg/ml in DMF (5-Bromo-4-chloro-3-indolyl-b-D-galactoside galactopyranoside, Xgal) 5x10ml　CAS No:7240-90-6,68-12-2　X1000-05

特徴

• Blue substrate used in the detection of b-galactosidase in bacteria or phage as a selection agent for cloning experiments utilizing the lacZ vector. Colonies expressing b-galactosidase will appear blue in the presence of XGAL. Others will appear white.
• Synonyms:X-Gal, 5-Bromo-4-chloro-3-indolyl-b-D-galactoside (galactopyranoside), BCIG
• Molecular Formula:C14H15BrClNO6•DMF
• Molecular Weight:408.61
• Purity (HPLC):≥99%
• Concentration:~40mg/ml
• Form:Supplied as a liquid in dimethylformamide.
• Solubility:Colorless to pale yellow, clear
• Identity by I.R. or NMR:Conforms to structure
• RNase, DNase or Proteases:None Detected
• Quality Control (Blue-White Assay):[LacZ+]: Pale blue center/dense blue periphery[LacZ-]: Faint blue center/white periphery
• Storage and Stability:Store at -20°C. Aliquots are stable for 12 months after receipt. Protect from light.
• Important Note:This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
• Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
• Also Available:X1000: XGAL