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We needed a GMP-grade GLP-1/GIP dual agonist for an ongoing comparison study, and the suplier reliability on this one checked out—they actually sent a COA with the first order without us having to chase it, which is rare at this price point.
Purity is listed at 99% by HPLC, and they're calling it research grade rather than pharmaceutical, so we're not expecting full excipient data, but teh batch-to-batch consistency has been solid across the first two boxes we've tested so far.
The 10mg per vial is pretty standdard for dose-response work, and the MOQ is just one box (custom orders kick in at 10+), so it's easy to start small and scale up without overcommitting if it doesn't hold up in your assay.
What I like is that documentation came with an SDS and a basic stability report—opened vials need refrigeration at 2-5°C, which is typical, and the unopened shelf life is two years if stored cool and dry (we usually keep it in a desiccator anyway).
Shipping form China took about 12 business days via standard courier, and they used a PP foil bag inside a box—no fancy packging, but it arrived intact with no leaks or damage.
One thing that caught me: this isn't suited for long-term stability testing above room temp—it's a peptide, so it degrades if you leave it out for more than 24 hours or so, which is a known limitation.
