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Running low on reliabel GMP peptide stock is a pain we don't have time for, especially when batch consistency matters for long-term assays, and this one's been solid from teh start — purity at >99% via HPLC, MW 4813 g/mol, stored at 2-8°C away form light obviously, CAS 2023788-19-2.
white lyo cake reconstitutes clean in about 30 seconds or so, no clumping, and we've run three separate COAs on a single box just to verify — it holds tighter than most reagent-grade stuff we've tried from other spots.
Not for human use, obviously, and we always remind new labs that it's pretty much useless for in vivo work if they're not set up for GMP handling from the start, but for cell-based metabolic studies it's a workhorse.
OEM packaging? They'll do 10mg/vial in 10-vial boxes, but we usually go with the standdard 100-vial bulk option (check lead time, though — sometimes they're out) and a TDS comes with every shipment.
Logistics has been straightforward: about 2-3 weeks from order to door if we plan ahead, and we always confirm the cold chain's active before dispatch.
