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Actually, what makes this worth your consideration is the 99.9%+ purity, which means you're not fighting degradation byproducts or incomplete synthesis left in the matrix, and most buyers we deal with run their own HPLC checks before starting any dose-response work.
The molecular weight sits at 4113.58 g/mol, and for a peptide of this size you'll want to keep those vials at 2-8°C in a dry enviroment, because even a few hours at room temp can start knocking down the active fraction, and we've seen clumsy handling lead to visible clumping in powder if the desiccant gets compromised.
We usually have stock on the 10-vial boxes, but confirm lead time if you need more than 50 units or so, since the supplier batch cycles are roughly every 6-8 weeks and we don't hold deep inventory on every lot—it's better than reagent grade for this partciular analog, tighter tolerance than most generics.
One thing you might not think to ask, but it matters, is the shipping method: we never use standard ground because vibration and tempearture spikes during transit can wreck the crystalline form, so we ship on ice packs with a temperature logger that you can review on arrival, which basically gives you peace of mind about the cold chain.
Also, this grade is not suited for any in vivo human use, no matter how clean the COA looks—teh synthesis route leaves residual organic solvents you can't fully strip, and while that's fine for plate-based assays or binding studies, we tell researchers straight up it's a research-only reagent.
