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Most buyers coming to us have been burned by inconsistent purity before, so we run every batch through HPLC and mass spectrometry—not just a spot check, and we keep the raw data on file for at least two years (usually longer).
You're looking at ≥99% purity confirmed by COA, though we don't guarantee a specific mg count tighter than ±5% on the 50mg or 100mg vials, which is pretty much standard for freeze-dried peptide formats.
We've had labs request retests on 15mg aliquots after six months in -20°C storage, and our retest policy covers that if you flag it within 30 days of receipt—just send batch number.
It's non-sterile, so if your protocol demands sterile handling you'll need to filter it yourself, but for most research applicaion teh white freeze-dried powder reconstitutes cleanly in DMSO or water without visible residue.
Lead time is roughly 10-14 working days for orders under 500mg, and our company can include a desiccant pack and sealed vial packaing as standerd—no extra charge for the basic COA, but a full HPLC trace costs a bit more.
We usually start at 10 vials for standard specs like 2mg or 5mg, but for larger sizes like 100mg or 500mg, we can discuss smaller MOQs. Just reach out with your specific needs.
Yes, absolutely. Every batch comes with a COA that includes HPLC and mass spectrometry results, confirming ≥99% purity. We can share it before you place an order.
Keep it at -20°C in a dry environment, ideally in the sealed vial with desiccant it comes in. Avoid freeze-thaw cycles, and it should stay stable for the full 24-month shelf life.
No, it's non-sterile, so you'll need to filter it before any in vivo work. For in vitro studies, reconstitute in DMSO or water as needed—just follow standard lab protocols.
We ship in sealed vials with desiccant, packed with ice packs and insulated foam to maintain cold chain. For customs, the HS code is 300120001, and we label everything as 'Research Use Only'.
