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We're looking at retatrutide here, not tirzepatide—it's a different peptide entirely, and the CAS number confirms it's LY3437943, a triple agonist that's been showing some pretty solid weight reduction results in early work.
Most buyers in metabolic research go with the 10mg or 15mg vials for dose-response studies, but the 5mg works fine for pilot runs if you're just testing binding affinity or cell-based assays.
Purity runs above 99% we ship, but you'll want to keep it at 0-4°C for short-term use or -20°C if you're storing it longer than a month or so—moisture is teh real enemy here, and the powder is hygroscopic.
We usually have stock in all six pack sizes, but the 50mg vials sometimes lag behind by about 20 days if demand spikes, so confirm lead time before you commit to a large order.
It's not ideal for oral formulations at all since the peptide degrades quickly in gastric conditions, but for injectable or lyophilized reconstitution work it handles better than reagent grade peptides we've tested.
We've been shiping this exact batch to a few university labs and one contract research org in Europe, and the feedback on consistency batch-to-batch has been good—no complaints on solubility or aggregation so far.
Our MOQ for the 5mg pens is 100 units, and for the 50mg pens it's 50 units. We can discuss smaller trial orders if you're just starting out.
Lead time is typically 10-15 business days for orders up to 500 units. Larger volumes may take 20-25 days, depending on stock levels.
Yes, we include a CoA with every batch, showing purity levels and HPLC test results. Third-party testing reports are also available on request.
We offer custom labeling and blister packaging for bulk orders of 1,000 pens or more. Just send your design specs, and we'll handle the rest.
Ship with ice packs and insulated containers to keep it at 0-4°C. For long-term storage, keep it at -20°C in a dry, dark place—avoid freeze-thaw cycles.
