| Conjugation: | Unconjugated |
| Dilution Range: | Reconstitute in sterile water for a stock solution. |
| Formulation: | Lyophilized from a solution in PBS pH 7.4, 5% Trehalose, 5% Mannitol. |
| Storage Instruction: | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for one week. Store at-20 to-80°C for twelve months from the date of receipt. |
| Endotoxin: | <1 EU/Mu g of the protein by the LAL method. |
| Immunoreactivity: | Measured by its ability to chemoattract mouse pro‑B cells (BaF3) transfected with human CCR2A. The ED50 for this effect is typically 2-10 ng/mL. |
