Medchemexpress, HY-112276 500mg Beryllon II CAS:51550-25-5 Beryllon II is a widely used chromogenic reagent that is used to determine many elements, such as Mo, Mg and Co, and also used for the determination of proteins. 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.