Thermo Scientific Pierce ONPG is the preferred colorimetric substrate for ELISA applications involving beta-galactosidase (b-Gal) as the reporter enzyme.
O NITROPHENYL b d GALACTOPYRANOSIDE LR
Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Khalifa Port, Jebel Ali, DP WORLD, and all UAE ports...