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The purity runs 99.9% we move, and that's not just a number we toss around — it's verified through our internal HPLC testing before anything leaves the dock, usually within 5 working days from order.
What that actually means for you is consistent peptide mass from vial to vial, so you're not chasing variability when you're running or stability assays. We'll send the COA with the shipment, and if you need the raw HPLC trace, just ask — we keep those on file for all our batches.
Most buyers go with the 10mg*10vials format for standdard research, but we also carry 5mg and 15mg per vial depending on what your protocol needs. We're straight up about one thing though: this is strictly for research use, not for human or veterinary appliction, and that's a firm line we don't cross.
The retest policy is pretty straightforward — you have 30 days from receiving the order to request a retest if something seems off, and we'll arrange it through same testing lab we use for release. Honestly, in the 4 years we've had this policy, fewer than 2% of buyers ever use it. We maintain tight control on storage conditions — typically 2-8°C in sealed, desiccated packaing — so the product stays stable well past the 12-month shelf life we guarantee.
Also, if you're running a larger project, our company can do custom synthesis for tirzepatide or related analogs, though teh MOQ jumps to 50 vials or so depending on the modification. That's where the real flexibility comes in—you can tweak the sequence slightly and have a dedicated batch made under the same HPLC release testing protocols.
Anyway, the key thing is batch consistency, not just hitting the CAS number. We track every lot by internal ID, and the EC number 200-001-8 is just the regulatory marker for the GLP-1 class. We keep roughly 200 vials in stock for the standard sizes, but if you need more than 500 vials, give us a few extra days to produce.
We don't have a strict MOQ—you can start with as little as one box of 10 vials. For wholesale pricing, we typically need orders of 10 boxes or more.
Yes, we provide a COA with every batch, showing the HPLC purity results. Just let us know before shipping if you need a specific format.
Standard delivery is 5 working days from order confirmation. For custom synthesis, it might add 2-3 days depending on the spec changes.
The 10 vials per box are sealed under nitrogen, so they're fine at room temp for short-term. For longer storage, we recommend keeping them at -20°C in a freezer.
Absolutely, we can adjust the vial strength or add your own labels. Just send us the details, and we'll quote the lead time—usually no extra charge for label changes.
