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The 98.0% to 102.0% purity range actually means we're targeting a specific concentration window, not just a minimum threshold — that's tighter than what most peptide suppliers hold themselves to, and it matters when you're doing dose-response work where even a 2% variance can shift your data.
What it's not great for is any appliction that needs a completely inactive carrier, because the SNAC enhancer is there to improve absorption and it's pretty much built into the formulation, so if you're testing baseline peptide behavior without absorption aids, you'd want a plain semaglutide vial without it.
We usually run the MOQ at 10 vials per order, but custom packaging is availble if you need 5mg per vial or a different count — just confirm lead time if you're going off-spec, as that can add 20 days or so to the schedule.
Storage is straightforward at 2-8°C with light protection, and we've seen that the white to off-white powder stays stable for about 2-3 months under those conditions before any noticeable degradation in HPLC purity, though we recommend using it within 30 days after reconstitution.
Anyway, the molecular weight is 246.71 g/mol for teh base compound, and SNAC is salcaprozate sodium — it's a known absorption enhancer that's been used in oral formulations, so for research on bioavailability, this combo gives you a tighter tolerance than most off-the-shelf peptide solutions.
Our standard MOQ is one case of 10 vials, but we can discuss custom packaging if you need a different quantity. Just let us know your volume.
Yes, we include a CoA with every batch that confirms the purity range and other specs like the appearance and molecular weight. It’s sent with your shipment.
The SNAC is pre-mixed into the powder at a fixed ratio during manufacturing, so each vial contains a consistent blend. You just reconstitute as usual for your research.
For stock sizes like the 5mg/10vials, we can ship within 3–5 business days. Larger custom orders may take 10–14 days depending on production schedule.
We recommend strict 2-8°C storage in the dark to maintain stability. If you need extended shelf life beyond our standard, we can test alternative conditions on request.
