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99% purity is what we consistently see on every COA, and for a peptide of this molecular weight—4813 g/mol—that’s tighter than most bulk intermediates we’ve sourced.
We store it at -20°C for long-term, but if you’re working through a batch in 2-4 weeks, 0-4°C in a dry, dark drawer works fine—just don’t let it sit out.
Basically, the lyophilized powder reconstitutes cleanly, though we’ve found the 10mg vial size is easier to handle for smaller-scale work than the 30mg ones.
Also, the CAS is 2023788-19-2—you’ll see it on the label—and the EC number 200-001-8 is there for customs, but we usually have stock ready, so lead time is about 20 days or so.
One thing a new buyer might not think to ask: teh vial stoppers are single-use, so if you’re planning multiple draws, order extra vials—we’ve had to learn that hard way.
It’s not for anything beyond research use, obviously, and we don’t push it for personal consumption—anyway, the 5mg vials are better for titration experiments, but the 15mg ones save on vial changes.
