USB Dithiothreitol (DTT), 0.1M Solution - FAQs

I am interested in RNAse-free 0.1M DTT and I am considering USB Dithiothreitol (DTT), 0.1M Solution (Cat. No. 707265ML). What does USB stands for and is this the regular DTT?

Yes, this is the regular DTT. "USB" is a former brand name.