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We got your RFQ and can confirm our company supply Retatrutide in freeze-dried form, with purity running ≥99% by HPLC — we verify every batch with COA and MS included. The real challenge most researchers face is getting consistent peptide stability across different vial sizes, but we’ve handled that by offering 2mg, 5mg, 10mg, or 15mg per vial, all lyophilized under the same controlled conditions. It basically solves problem of having to reconstitute a single large batch for multiple small-scale assays, which.
You’ll want to store it at 2-8°C, protected from light — we usually have stock, but confirm lead time for custom size runs. Shelf life is 36 months if you keep it cold, though we’ve seen some labs push that to 40 months or so without noticeable degradation. The powder is white to off-white and dissolves cleanly in water or saline, so no weird solubility issues to fight with.
Most buyers go with the 10mg vial for routine metabolic studies, but if you’re running at low nM ranges, the 2mg size is easier to handle without wasting matrial. We don’t recommend this for anything beyond research — it’s not suited for in vivo work without proper ethical approvals, and we flag that upfront. The HPLC trace shows a single peak at retention time 8.2 minutes, which is tighter than what you’d get form some suppliers who skip the mass spec confirmation.
And one thing you might not think to ask: the vials are packed 10 per box, but we can do partial boxes if your MOQ is flexible — just tell us the total mg you need. We don’t always have 15mg vials in stock, so check availability before ordering. Anyway, teh documentation packet includes the COA and HPLC data, and our company can email it ahead of shipment if you need to verify specs first.
