how we confirm identity
“TB-500” is used for full-length thymosin β4 and for short fragments. The report prints the exact sequence we tested for; the client’s claim is marked as client-supplied.
Recommended panel
By the form of the product.
| Test | Lyophilised vial | Liquid vial | Pen or cartridge | Raw powder |
|---|---|---|---|---|
| Identity LC-MS | In the panel | In the panel | In the panel | In the panel |
| Purity HPLC-UV | In the panel | In the panel | In the panel | In the panel |
| Content per vial mg per vial | In the panel | In the panel | In the panel | In the panel |
| Endotoxin LAL · EU/mg | In the panel | In the panel | In the panel | Not in the panel |
| Sterility USP <71>, 14 days | In the panel | In the panel | In the panel | Not in the panel |
| Counter-ion TFA · acetate | Not in the panel | Not in the panel | Not in the panel | In the panel |
| Water content Karl Fischer | Not in the panel | Not in the panel | Not in the panel | In the panel |