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So you're looking into retatrutide for your research pipeline, and I can tell you we handle a fair bit of this peptide—it's one of those GLP-1/GIP/glucagon receptor agonist combos that people are really digging into for metabolic work, and we see a lot of labs ordering it in 5mg or 10mg vials depending on their dosing schedules.
The stuff we supply runs at 98% purity or better by HPLC, which is pretty standerd for this class, and we back it up with MS and NMR —though I'd say most buyers don't need teh NMR unless they're doing strucutral work, but it's there if you want it.
It's a white to off-white powder, soluble in water, and you'll want to store it at -20°C in a dry environment—we usually have stock on hand, but confirm lead time if you need more than 50 vials or so, as custom packaging can add a week.
What you get when ordering is basically the COA with the HPLC trace, plus the SDS and TDS sheets—nothing fancy, but it's all paperwork you'd need for audit trails, and we can do custom labeling if your lab has specific requirements.
One thing to keep in mind: this is strictly for research use only, not for any in vivo work with humans or animals, and the molecular weight is roughly 3234.6 g/mol—I mention that because some protocols need a tight tolerance on that, and we've had a few buyers who didn't realize the peptide's size can affect solubility at higher concentrations.
197922-42-2 is the CAS, and while we don't recommend it for long-term stability studies without a proper freezer setup, the shelf life is 24 months if you keep it dry and cold—most labs go through it faster than that anyway.
