how we confirm identity
4728 .4718 Da
monoisotopic mass · calculated · C221H342N46O68
ions we look for · calculated
Its mass tells it apart from tirzepatide and semaglutide. Swaps between these peptides are a known risk.
Mass tells them apart.
Which GLP-1 is in the vial?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 |
Chemistry
- formula
- C221H342N46O68
- monoisotopic mass
- 4728.4718 Da
- average mass
- 4731.42 Da
- CAS
- 2381089-83-2