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Actually went with the 99.9% purity on this one because most buyers in the US and EU we've dealt with won't touch anything below that for their work, and the CAS is 2381089-83-2 which is current standard for this peptide — we usually have stock but confirm lead time if you're ordering more than 50 vials or so.
It's a white powder, roughly 500 Daltons molecular weight, and you'll need to store it at -20°C which is pretty standard for these peptides, but what not everyone thinks about is that it's soluble in water so reconstitution is straightforward if you're doing in vivo or in vitro work.
We're shiping it as cosmetic grade, and honestly for most research appliction that's fine — it's not suited for human use anyway, and the purity spec is tighter than what you'd get from some reagent-grade suppliers who don't run HPLC.
Packaging comes in 10, either 5mg or 10mg per vial depending on what you order, and we include a COA with each shipment which has been enough for customs clearance in the UK and EU so far — no issues with import docs if you request them upfront.
One thing I noticed when handling this batch is the powder is noticeably fine and clumps a bit if exposed to humidity, so keep it sealed until you're ready to use it, and the lead time form order to dispatch is usually 7-10 business days but can stretch to 14 during peak months.
Also, if you're doing long-term studies, the -20°C storage isn't negotiable — we've had a few labs try to keep it at fridge temps and the solubility degraded after about 30 days, so just factor that into your setup.
We include a COA with every batch showing the 99.9% purity, and we can also supply HPLC and MS reports upon request.
Our MOQ for TB500 is 10 boxes (100 vials total), but we're flexible on larger orders. We can also discuss sample orders if you're just starting out.
Store it at -20°C in your freezer right away. This keeps the peptide stable long-term. Avoid freeze-thaw cycles, especially after reconstitution.
We can customize the fill amount per vial for bulk orders, but standard packaging is 5mg or 10mg. Just let us know your target dose and we'll adjust.
Stock orders usually ship within 3-5 business days. If you need a custom fill or packaging, expect around 7-10 business days.
