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So you've been looking at the GLP-1/GIP dual agonist space and came across this one, which basically hits that 99.9% purity threshold we run through HPLC and MS, and it's a lyophilized white to off-white powder that handles pretty much like you'd expect for a peptide of this size—4813.5 g/mol, CAS 2023788-19-2, and it's soluble in water or buffer solutions without any fuss.
Storage is critical here because moisture is the enemy, and we typically advise keeping it at -20°C in a desiccated enviornment—most labs we work with just pop it in a freezer and it's stable for months, though we've had a few buyers notice some aggregation if they're not careful about condensation when thawing, so that's one of those details that matters more than most people think.
For the researchers our company supply, this is mostly used in receptor binding assays or in vivo metabolic studies, and what it does is mimic the incretin pathway by activating both GLP-1 and GIP receptors, which is a different mechanism than tirzepatide's alone—actually, the 5mg or 10mg vials are most common starting point, but our company can do 15mg or custom fill if that's what you need.
One thing that comes up with these high-purity peptides is that they're better than reagent grade for this kind of work because the batch-to-batch variability is much tighter, and we've seen consistent results across multiple COAs with HPLC showing that 99.9% mark every time, though I'd still recommend confirming lead time on custom orders since we don't always have every size in stock.
Anyway, we've had some buyers ask about using this in cell-based assays, and it works fine there, but it's not really suited for anything involving extended room-temperture handling or oral administration—it's strictly a research tool, and the lyo format means you'll need to reconstitute it fresh for each study, which is pretty standdard for this class of compounds.
Packaging comes as loose powder in vials with the usual desiccant and moisture barrier, and the MOQ is usually 50 units or so depending on teh size you pick, but we can adjust that if you're running a smaller pilot study—just let us know what your typical batch size looks like and we'll figure out the logistics form there.
