Medchemexpress, HY-D0842 1g Bovine Serum Albumin CAS:9048-46-8 Bovine Serum Albumin (BSA) is a 583-residue protein consisting of three homologous all-α domains, organized in a heart-shaped structure. BSA is a globular protein that is used in numerous biochemical applications. 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.