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They’re running a dose-response assay, diluting this into saline for subcutaneous injection in rodent models, and they need to know the peptide’s integrity holds at 1 mg/mL without aggregation—that’s where our retest policy kicks in if storage temps waver during transit.
We run HPLC with UV detection at 214 nm and 280 nm, plus a separate mass spec check; purity hits 99% (give or take 0.3%) pretty much every time, and we reject anything below that threshold before it even gets to packaging.
comes in 10, each sealed under argon—it’s stable for 24 months at 2-8°C as long as you keep it light-protected, but if you’ve got a batch sitting at room temp for a week, we’ll replace it under our retest policy (usually 30 days form delivrey).
Most buyers don’t think to ask, but we include a COA with each order that lists retention time and peak area ratio, not just a single number; for GLP work, you’ll want to confirm batch consistency across multiple vials from teh same lot.
Also, the 4113.58 g/mol molecular weight matches theoretical within 0.5 Da by LC-MS, so you’re not dealing with truncated fragments that could skew receptor binding data—something we check because of that it’s a known issue with cheaper suppilers.
It’s not formulated for oral gavage studies without a vehicle, and we don’t recommend it for cell-free assays above 10 µM due to poor solubility in plain PBS—stick with DMSO stock solutions and dilute from there.
Our Semaglutide is 99% pure, pharmaceutical grade. Each batch is tested with HPLC to confirm purity, and we can provide a COA upon request.
Minimum order is 1 box (10 vials), and we typically ship within 24-48 hours after payment confirmation for in-stock items.
Store it at 2-8°C in a fridge, away from light. Keep it sealed in its original packaging to avoid moisture, and it'll stay stable for months.
Yes, we include a Certificate of Analysis with every shipment, showing purity, identity, and other specs for that specific batch.
We ship in plain, discreet boxes with no branding. Labels show the product name and research use only, but we can adjust labeling if you need specific info.
