Advanced Research Peptides - High Purity 99% Retatrutide CAS 2381089-83-2

Sourcing peptides for metabolic studies usually means chasing purity specs that don't always match reality, so when we found this Retatrutide batch with ≥99% by HPLC and endotoxins ≤50EU/mg, we basically stopped looking — white crystalline powder came with a COA that actually matched.

Molecular weight sits at 4731.33 g/mol with a CAS of 2381089-83-2, and the peptide content is ≥80% while acetate stays ≤12% and moisture ≤8%, which matters because those numbers directly affect how the compound behaves in solution preparation — we've had fewer solubility issues than with some other supliers' materail.

5.79, 0.0643, and 0.775 nM for GCGR, GIPR, and GLP-1 receptors in vitro, and the murine data came in at 2.32, 0.191, and 0.794 nM respectively (consistent cross-species activation). It's not suited for anything beyond research use, obviously, but for dose-response work it's tighter than reagent-grade alternatives.

Storage is -20°C desiccated, and we usually order in 5mg or 10mg vials depending on the study scale — the 10mg vials are easier to handle for multi-week protocols, though you'll want to aliquot immidiately to avoid freeze-thaw cycles.

Lead time runs about 20 days or so for standard orders, and the MOQ is typically 50mg but they'll negotiate down if you're a repeat buyer — we've had no in the last six months, but confirm stock before placing a rush order.