Molecular Formula:C9H11BrN2O5 Molecular Weight:307.10 Purity:>99.0% Grade:Ultra Pure Grade Appearance:White to white with a faint yellow cast powder Application:5-Bromo-2′-deoxyuridine (5-BrdU) is a thymidine analogue which is incorporated into DNA. 5-BrdU is routinely and extensively used to measure DNA synthesis and to label dividing cells. Consequently 5-BrdU is used to study cell signaling and other processes that induce cell proliferation.