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You’re probably sourcing from a handful of UK supliers who can’t consistently hold 99% purity across batches, and that variability kills your dose-response data before you even start. We run every lot through HPLC with a COA on request, and the white powder form (lyophilized, not a solution) gives you stable starting point for reconstitution—just keep it at -20°C and it’ll hold for over two years, give or take.
The molecular weight sits at 4813 g/mol with the formula C225H348N48O68, and the CAS is 2023788-19-2—basically the same backbone as tirzepatide but we’ve seen it perform better than generic GLP-1 analogs in binding assays due to the dual GIP/GLP-1 agonism. Most buyers go with the 10mg vial for smaller-scale work, but we also stock 5mg and 15mg formats depending on your protocol.
It’s not suited for anything beyond in vitro or animal model research—no human use, period, and the pharmaceutical grade doesn’t change that limitation. One thing a buyer might not think to ask: the lyophilized cake can be tricky to reconstitute if you don’t use sterile water or bacteriostatic water at room temp; cold solvent slows dissolution, and you’ll end up with clumps.
We don’t offer custom vial sizes or OEM labeling for this line, but the 5mg and 15mg options cover most titration studies anyway. Actually, the 15mg vial is easier to handle if you’re doing multiple dilutions—fewer vials to track, and the powder mass is more forgiving with pipetting errors.
MOQ is typically 10 vials per size, but our company can split orders if you need a mix of 5mg and 10mg (check lead time—sometimes stock runs thin on the 15mg). Shiping from a UK warehose, so you’ll get it within 3-5 working days, and we include SDS and COA in the package.
