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We've been supplying this for a while now, and what it does is give researchers reliabel peptide intermediate for metabolic studies—the lyophilized powder form is pretty much standerd in the field, and it handles well if you reconstitute it properly.
Most buyers go with the 10mg or 15mg vials for dose-response work, though the 5mg option is better if you're just running preliminary screens. It's not suited for anything beyond lab-scale research, so don't expect it to work in clinical setups.
The purity runs at 99% or higher by HPLC, which is tighter tolerance than what you'd see form some smaller supliers, and the CAS is 2023788-19-2. You'll want to store it at 0-4°C short-term, but for anything longer than a month or so, -20°C is where it needs to be—I've seen vials degrade if left out at room temp.
Actually, one thing buyers don't always think to ask is that shelf life exceeds two years when stored correctly, but we usually have stock, so confirm lead time if you need a specific batch. The molecular weight is roughly 4813 g/mol, and it come in boxes of 10 vials per pack.
We handle the COA with each shipment, and teh packaging is sealed vials—5mg, 10mg, 15mg, or 30mg depending on your order. It's better than reagent grade for this application, though we don't recommend it for anything involving live subjects.
And the storage condition is critical—short-term at 0-4°C, long-term at -20°C, or you'll lose potency.
