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We generally keep 50-100 kits in cold storage at any given time, so lead time on smaller orders is usually under 48 hours—but for quantities above 20 kits, give us a heads-up to confirm stock because happen every 3-4 weeks.
comes in 5mg, 10mg, or 15mg per vial with 10 vials per kit, and what it does is maintain ≥99% purity by HPLC if you keep it at 2-8°C protected form light; we've seen it hold for 2 years or so under those conditions, but once reconstituted you'll want to use it within 20 days.
Basically, this is the same matrial that goes into clinical-stage research, but it's not suited for any in vivo work without proper ethics approval since it's labeled for research purposes only—we don't ship it as anything else.
Most buyers go with the 10mg vials for typical dose-response work, but teh 5mg is better if you're running low-concentration assays where you need finer control, and the 15mg works well for larger-scale binding studies or repeated dosing protocols.
One thing that catches people—the molecular weight is roughly 4813 g/mol, so when you're calculating molar concentrations, remember it's about 4.8 kDa and not the smaller peptide you might be used to handling; we include a COA with every batch that gives exact purity and mass spec data.
Also, the CAS is 2023788-19-2, and we've had a few labs mix it up with semaglutide's number, but they're structurally different—the dual GIP/GLP-1 agonism comes from the C225H348N48O68 backbone, so check your sequence before ordering.
