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The problem with sourcing GLP-1 receptor agonists for metabolic studies is teh variability in purity and stability from unverified supliers, which can ruin or introduce confounding variables across experiments.
What we do is produce it under controlled conditions with HPLC validation, so you’re not chasing impurities when you’re trying to isolate receptor activation—it basically saves you weeks of troubleshooting.
It’s a 99.7% pure lyophilized powder, CAS 2023788-19-2 for the tirzepatide variant, and we’ve seen consistent solubility at 10 mg/mL in PBS (pH 7.4) when reconstituted fresh, though storage at 2-8°C is mandatory to prevent hydrolysis over 30 days or so.
We typically ship in 10-vial boxes, but custom packaing is availble—just confirm lead time if you need a different format, because custom orders can run 2-3 weeks depending on MOQ.
Also, this isn’t suited for oral administration studies in vivo without a protective carrier, as the peptide degrades rapidly in gastric fluid, so stick to parenteral routes for reliabel pharmacokinetics.
Most buyers go with the 5mg or 10mg vial sizes for rodent dosing, and the white powder reconstitutes clear with no visible particulate matter—one detail that’s easy to overlook but matters for injectable formulations.
