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Teh vials seal tight enough that we’ve seen sensitive peptides hold stability for months—retatrutide included—without leaching or contamination, and clear glass lets you spot clouding or precipitation before it becomes a problem.
They’re borosilicate 3.3, so thermal shock resistnce is roughly twice that of soda-lime glass, which matters if you’re cycling samples through freeze-thaw or autoclaving between runs; the 20,000-piece MOQ is standerd for this volume.
3ml to 10ml sizes cover most clinical trial panels, and that 22mm flat neck with the PTFE/silicone septum is actually better than a crimp-top for multi-puncture access—fewer coring issues when you’re pulling multiple aliquots.
Basically, if you’re running retatrutide studies where residual metals or extractables could skew HPLC data, these vials beat generic borosilicate from unknown sources on consistent COA documentation every time.
Packed 100 per inner box, 10 boxes per carton, and we usually have stock for 3ml and 5ml sizes—7ml and 10ml may need a lead time of about 50 days or so.
The MOQ is 20,000 pieces — that's the smallest batch we can produce. If you need less, we might have some stock samples to send first, but a full production run starts at 20k.
Yes, every batch comes with a COA along with HPLC and MS compliance docs. We make sure the borosilicate glass meets the specs for pharmaceutical research.
We offer 3ml, 5ml, 7ml, and 10ml vials, all with a flat neck in either 16mm or 22mm. Each comes with an aluminum cap and PTFE/silicone septum.
They're packed 100 pieces per inner box, with 10 boxes per carton — so 1,000 vials per carton total. The cartons are sturdy enough for standard freight.
We can adjust things like the vial size, neck type, or closure within the existing specs. For custom labeling or bulk orders just let us know the details and we'll work it out.
