We run HPLC before it leaves facility, so you're getting purity above 99% — that's verified with a full COA you can download before shipment. 2. Roughly 48-72 hours to prep an order of 10 vials or more, and we pack each sealed vial with desiccant in a thermal box with ice packs for transport. 3. Storage at -20°C long-term gives you a solid 2-year shelf life, but if it sits on a bench at room temp for a week or so, it's usually still fine (check our retest policy if you're unsure). 4. What it does is give you consistent batch-to-batch quailty for research use only, not for human or veterinary appliction — we're clear on that. 5. Most buyers go with teh 10-vial minimum, but our company can do larger lots if you need them; just confirm lead time because bulk runs sometimes take a few extra days. 6. Also, the molecular weight is roughly 4.2 kDa for this peptide, which matters if you're calculating molar concentrations.
