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We had a researcher running GLP-1 and GIP co-agonist studies who needed a consistent reference standerd, and this 15mg powder at 99% purity by HPLC is what we usually stock for that kind of work—it's the same dual mechanism that's been showing up in metabolic disorder literature, and PEGylated lysine side chain is what gives it that improved solubility and half-life in aqueous buffers.
CAS is 2023788-19-2, molecular weight is roughly 4813 g/mol, and the formula runs C225H348N48O68—it's a big peptide, so handling it requires care, and the lyophilized white powder should be stored at -20°C away from light to keep it stable, but it's soluble in water so reconstitution is straightforward (usually in sterile water or PBS, depending on your assay).
It's pharmaceutical grade, so tighter tolerance than reagent-grade peptides for this applicaion, and most buyers go with the 15mg vial for dosing ranges in cell-based or animal work—but it's strictly for research use only, not for human or clinical administration, which is a limitation you need to bake into your lab protocols from the start.
3 to 5 business days lead time, give or take, and the MOQ is a single unit—so you can order just one to test, then scale up if the batch works.
Customiezd packaging is available if you need to split into smaller aliquots, but we usually ship it in the original sealed vial with a COA.
Also, one detail a buyer might not think to ask: the residual moisture is pretty low, but it can pick up if you're not quick with the dessicator, so pre-weigh aliquots before freezing.
