Medchemexpress, HY-W004544 100mg o-Phenanthroline CAS:66-71-7 o-Phenanthroline (1,10-Phenanthroline), a metal chelator, prevents the induction of chromosomal aberrations in streptozotocin-treated cells. o-Phenanthroline (1,10-Phenanthroline) forms a red chelate with Fe 2+ that absorbs maximally at 510 nm [1] . Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.