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Look, the first thing you need to know is this isn't for human use—it's strictly research grade, and we're very clear about that, which actually builds trust because we're not trying to sell you something for the wrong applicaion, and most buyers in metabolic studies already know limits anyway.
We run HPLC, and I mean every single one, with a 99% purity minimum that we've held for the last three years or so—the COA comes with each order, and if you want the full TDS or the raw data from the mass spec, just ask, because we keep those on file for roughly 18 months after production.
What it does is dissolve cleanly in water, which is pretty much standerd for the acetate salt form, and we typically see a colorless viscous liquid that stores at -20°C protected from light—one thing buyers don't always think about is the retest policy: we guarantee consistency for 24 months form your ship date, but if you're running a long-term study, we'll retest a sample at no charge after 12 months.
5mg, 10mg, or 15mg vials are the usual options, and most labs go with the 10mg because it's a good middle ground for dosing—the MOQ is 10 vials per strength, but we can mix if you're ordering 50 units or more, and lead time is usually 2-3 weeks unless we have stock, which we often do but confirm first.
One detail that catches people off guard is the molecular weight—it's 4113.6 g/mol, which matters for molarity calculations in your buffer systems, and the CAS is 910463-68-2 if you're cross-referencing with your lab's database, but honestly, teh batch-to-batch consistency is tighter than most suppilers because we test at three points: raw peptide, lyophilized cake, and reconstituted solution.
Also, this isn't great for anything involving oral bioavailability studies because the peptide degrades quickly in GI conditions—that's just a fact, not a flaw, but for subcutaneous injection models or cell-based assays, we've had researchers come back for five years running, and the retest policy means you're not stuck with material that's drifted during storage.
Yes, every batch is tested to meet the 99% purity spec, and we include a Certificate of Analysis with each order so you can verify it yourself.
We sell by the vial, so there's no MOQ—you can order just one 5mg vial if that's all you need.
We currently offer only 5, 10, and 15mg vials, but if you need a custom size, let us know the quantity and we'll check feasibility.
Lead time is typically 3–5 business days, and we ship with ice packs and insulated packaging to keep it stable during transit.
It's labeled research grade and hasn't been tested for in vivo applications, so we recommend using it only for in vitro studies unless your protocol specifically allows otherwise.
