| Purity | >95% by reducing SDS-PAGE and HPLC analyses |
| Endotoxin Level | Less than 0.2EU/ug of rHBsAgadw as determined by LAL method. |
| Formulation | Sterile Filtered solution containing 20 mM PB, 154 mM sodium chloride. |
| Target Background | Hepatitis B Surface Antigen adw Subtype (HBsAg, adw) |