X-Gal / IPTG Solution is a ready-to-use solution of 40mg/ml X-Gal (5-bromo-4-chloro-3-indolyl ß-D-galactopyranoside)
and 24mg/ml IPTG (Isopropyl b-D-thiogalactopyranoside) in a non-hazardous and non-toxic solvent (N-methylpyrrolidon).
The X-Gal / IPTG Solution saves time and money, since no extra sterilization is necessary, and it can be used directly from
the freezer. The solution provides optimal blue/white colony screening and is compatible with all commonly used lacZ
expression systems in bacteria, yeast and mammals.
X-Gal Solution can be stored for 24 months at -20°C. This solution is stable fro 6 months when stored at 4°C.
Stability on agar plates is maintained for 6 months protected from light at 4°C.