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Most buyers come to us after getting burned by inconsistent purity or bad COAs—we've had to re-verify a few supliers ourselves before settling on this line.
Each batch runs through HPLC plus mass spec, and we hold back a retest sample for 60 days in case you need a verification run (just give us a heads-up before you open the vial).
Purity is typically ≥99% per HPLC, and the molecular weight checks out at 4113.58 g/mol—basically, what you see on the COA matches the powder in teh vial about 95% of the time form our internal spot checks.
We don't claim it's suitable to peptide stacking or long-term storage at room temp; the -20°C condition is non-negotiable for maintaining that lyophilized stability, and we've seen degradation within 10 days if left out in buffer.
it come in 5mg per vial, 10 vials per kit, and the powder is white, water-soluble, and pretty much dissolves clear with no cloudiness—one detail buyers don't ask: stoppers are butyl rubber, not latex, so no cross-contamination worries for sensitive work.
MOQ is 2 kits or so, lead time roughly 12-15 business days, and we usually have stock, but confirm availability if you need it faster than that.
It means each batch is tested with High-Performance Liquid Chromatography to confirm purity is at least 99%, and often hits 99.9%. Yes, we can provide the CoA with your order—just let us know.
The standard packaging is 10 vials per kit, and we generally don't break that down. But if you need a custom volume for a larger order, we can discuss adjusting the kit size.
Lead time is typically 7–14 business days after order confirmation. For rush orders, we can sometimes cut that to 5–7 days—just check with us before placing.
We ship with ice packs and insulated packaging to keep it cold. Once you receive it, store the vials at -20°C and protect them from light to maintain stability.
Yes, we can adjust vial sizes or add your lab's info on the labels for bulk orders. Minimum for customization is usually 50 kits—send us your specs and we'll quote it.
