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Most of the buyers we deal with in US and EU are looking for something that can move through customs without a headache, and this one checks those boxes pretty well — we include the standdard import documentation like a TDS and COA with every shipment, which usually covers what customs wants to see, though it's worth double-checking your local regulations if you're ordering to the UK because they've gotten stricter lately.
We've been moving this peptide for a while now, and what I can tell you is that the 98% purity by HPLC is consistent batch to batch — it's better than some of teh reagent grade stuff floating around, but honestly, if you're doing anything that requires pharmaceutical grade for human use, this isn't suited for that, it's strictly for research purposes and we label it on the paperwork.
Storage is straightforward but critical: keep it at -20°C for long term stability, and if you're reconstituting it, solubility in water works fine for most protocols, though we usually recommend using a buffer for better results — the shelf life is over 2 years when stored properly, so you've got time to work through a batch.
One thing buyers don't always think about is the molecular weight — at 4813.45 g/mol, it's on the heavier side for a peptide, which means you'll want to account for that when calculating your dosing, and we've seen some researchers go with the 5mg vial size to avoid waste, but the 10mg is more common for standard protocols.
Anyway, the CAS number is 2023788-19-2, and the white powder appearance is what you'd expect form a lyophilized product — we usually have stock ready to ship within 20 days or so, but the MOQ can vary depending on whether you're ordering for a single study or a larger project.
