X-Gal

- Overview
  - Please contact us at for specific academic pricing.
    
    Background
    
    Substrate for β - Galactosidase which produces a rich blue color that can easily be detected visually over background. Substrate of choice for blue/white selection of recombinant bacterial colonies with the lac + genotype. dissolve in dimethylformamide (AB00450) or DMSO (AB00435) at 20mg/ml X-GAL (sizes 100mg, 250mg, 500mg, 1g) is supplied with a vial of freshly distilled DMF to ensure optimum color development store at -20°C
- Properties
  - Categories
    
    Substrate for β-galactosidase, used in blue/white screening
    
    Alternative Name
    
    (2S,3R,4S,5R,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
    
    CAS Number
    
    7240-90-6
    
    Molecular Formula
    
    C14H15BrCINO6
    
    Molecular Weight
    
    408.63
    
    Appearance
    
    A crystalline solid
    
    Purity
    
    98.00%
    
    Solubility
    
    insoluble in H2O; ≥109.4 mg/mL in DMSO; ≥3.7 mg/mL in EtOH with gentle warming and ultrasonic
    
    Storage
    
    Store at -20°C
    
    SMILES
    
    C1=CC(=C(C2=C1NC=C2OC3C(C(C(C(O3)CO)O)O)O)Cl)Br
    
    * For Research Use Only
- Reference
  - 1. Morgan E. Mouchka, Dillon M. Dorsey, et al. "Viral host-range evolvability changes in response to fluctuating selection." bioRxiv. 2019 September 18