Antibiotics & Selection Reagents
X-Gal, molecular biology grade, 100 mg
X-Gal (5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside) is a β-galactosidase substrate. In the presence of β-galactosidase, X-Gal is hydrolyzed and yields a blue precipitate.
11XGAL0100
IPTG, genomic grade, >99%
IPTG (Isopropyl-ß-D-thiogalactopyranoside) is a non-metabolizable galactose analog that induces expression of the lac operon in Escherichia coli.
11IPTG0001-CF