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What really sets this apart is how we handle batch consistency form start to finish — every lot gets run through our internal HPLC testing before we even think about shipping, and we keep a retained sample for 12 months in case anyone needs a re-test down the line, which happens more than you'd think with some buyers' in-house protocols.
You're looking at borosilicate glass for the barrel, not the cheaper soda-lime stuff, and the plungers use a system rubber formulation that actually holds up under the solvent conditions you'll be using for reconstitution, but I'd suggest checking the COA for the specific lot if you're running something aggressive like DMSO at higher concentrations.
Most buyers go with the 1ml syringes for typical dosing, but we've seen a steady uptick in orders for the 2.25ml size when folks are working with larger volume serial dilutions — basically, the 1ml is easier to handle for single-dose work while the 2.25ml gives you a bit more flexibility if you're pooling multiple vials.
sealing paper is a waterborne coated HDPE, and we nest them in 100- or 160-count PP boards depending on what you order, but here's the thing — we usually have stock on both, though the 160-count trays can add a week or so to lead time if demand spikes.
And you'll want to request the retest policy in writing before you place an order; it's typically 30 days from receipt for phyiscal defects, but we've extended that to 45 days for our regular lab customers who run extended stability studies, so just mention your application when you reach out.
4 out of 5 inquiries we get are about the certificate of analysis — our company provide it with every batch, and it includes the HPLC purity data, sterility testing results from an accredited lab, and the residual solvent analysis, though teh latter is only run quarterly unless you specifically request it as a per-batch test.
Yes, we can provide material certificates for the borosilicate glass upon request. The glass meets standard pharmaceutical-grade specifications for laboratory use.
Our MOQ is typically one nest pack, which contains 100 or 160 pieces depending on the configuration. We can discuss smaller trial orders if needed.
Absolutely, we can customize the paper cover, sealing paper, and overhead pocket with your logo or text. Just provide the artwork, and we'll handle the rest.
Standard orders ship within 7-10 business days. If you need custom packaging, lead time extends to around 15-20 days depending on the complexity.
They come in nesting packs with a PP nest board (100 or 160 pieces), a paper cover, sealing paper, and an overhead pocket. The whole thing is packed in a transport box for safe shipping.
