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Created as a research tool for metabolic pathway work, it’s a lyophilized white powder stable for 24 months at -20°C if you keep it away from light — we’ve had labs report no degradation after 18 months or so when stored properly.
Most buyers working on triple agonist receptor studies (GLP-1, GIP, GCGR) go with the 5mg or 10mg vials for their assay setups, and the 2mg option is basically just for pilot runs since you’ll need more volume for dose curves anyway.
Purity hits ≥99% by HPLC with peptide content ≥98% from mass spec, and those solubility specs in water or acetic acid aren’t just brochure numbers — we’ve seen it go into solution cleanly at 5 mg/mL, though you’ll want to confirm pH for your specific buffer.
We run three analytical checks — HPLC, MS, amino acid analysis — and include the COA with every vial, but it’s not suited for anything beyond lab research, so don’t ask about in vivo applictions because we don’t support that use.
Batch-to-batch consistency is better than reagent grade for this—we’ve had repeat orders form a university group for over two years with no shift in profile—and handling requires standdard PPE since it’s non-pyrogenic and sterile filtered at source.
Our stock covers full range from 2mg to 30mg, and while the 20mg pack is the one we move most for metabolic receptor studies, we usually ship within 48 hours unless you need a bulk order that exceeds 300mg (just confirm lead time).
