Fig. 1 · Structure
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X-GAL
β-Galactosidase Substrate
X-GAL is a chromogenic substrate for β-galactosidase that serves as a vital tool in molecular biology. Upon enzymatic cleavage by β-galactosidase, X-GAL is converted from a colorless state to a blue, insoluble product, facilitating the identification of recombinant bacterial colonies in blue-white screening applications. Additionally, X-GAL is utilized for quantifying β-galactosidase activity, making it an essential reagent in various cloning and gene expression studies.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| Actions | Substrate |
| CAS Number | 7240-90-6 |
| Applications | β-Galactosidase Substrate |
| Formula | C14H15BrClNO6 |
| Molecular Weight | 408.63 |
| Synonyms | BCIG |
| SMILES | O[C@H]([C@@H](O)[C@H]1O)[C@@H](O[C@@H]1CO)OC2=CNC3=C2C(Cl)=C(Br)C=C3 |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.