CAS Registry Number
CAS 7240-90-6 — X-Gal (5-Bromo-4-chloro-3-indolyl-beta-D-galactopyranoside)
X-Gal is a chromogenic substrate used in molecular biology for detecting beta-galactosidase enzyme activity, commonly in blue-white screening of recombinant DNA clones. It is a white to off-white crystalline powder with a molecular formula of C14H15BrClNO6 and a molecular weight of 408.63 g/mol. It is stored at -15 to -20 °C and carries a warning signal word due to potential hazards. Molekula supplies X-Gal from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula products for CAS 7240-90-6
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.