3117073001 Display Image

X-GAL 100 MG

Code: 3117073001 D2-231

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 subst...

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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.

X-Gal has been used for immunohistocytochemistry applications. It is also the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.

General description

X-Gal is a chromogenic substrate for ß-galactosidase that produces a rich blue color that can easily be detected visually over background. It is soluble in dimethylformamide and methanol. The product is not soluble in water.

Other Notes

For life science research only. Not for use in diagnostic procedures.

Physical form

Crystals, white powder

Preparation Note

Working solution: Stock solution:• 20 mg/ml in dimethyl formamide (DMF), clear, colorless solution• A590 nm: 0.01Storage conditions (working solution): X-gal in solution (i.e., dissolved in DMF 2% (w/v)) is stable for several weeks when stored in the dark at 2 to 8 °C; when the solution is stored at -15 to -25 °C, it is stable for one year.

Quality

Chromatographically homogeneous

InChI1S/C14H15BrClNO6/c15-5-1-2-6-9(10(5)16)7(3-17-6)22-14-13(21)12(20)11(19)8(4-18)23-14/h1-3,8,11-14,17-21H,4H2/t8-,11+,12+,13-,14-/m1/s1
solubilitymethanol: soluble
solubilityDMF: soluble
packagingpkg of 100 mg (11680293001)
packagingpkg of 250 mg (10651745001)
packagingpkg of 2.5 g (10703729001)
packagingpkg of 100 mg (03117073001)
packagingpkg of 1 g (10745740001)
mfr. no.Roche
Quality Level100
storage temp.2-8°C
shipped inwet ice
SMILES stringOC[C@H]1O[C@@H](Oc2c[nH]c3ccc(Br)c(Cl)c23)[C@H](O)[C@@H](O)[C@H]1O
InChI keyOPIFSICVWOWJMJ-AEOCFKNESA-N

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10651745001
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10703729001
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10745740001
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11680293001
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