We've been seeing a lot of interest in this peptide lately, especially from labs pushing past the standdard research angles—it's not just the 889.02 g/mol molecular weight or the CAS 885340-08-9 that draws them in, but what that specific sequence actually does in assays they're running.
Most buyers go with the 10mg or 50mg vials, and honestly, the 5mg option is better if you're just starting dose-response work rather than a full animal study (it's smaller but still a hassle to reconstitute if you don't measure precisely).

Purity runs at 99% or better by HPLC, which is tighter tolerance than what a lot of generic suppilers are offering at similar price points—usually you see 95-98% form those outfits, and that difference shows up in your solubility and stability data at -20°C.

Anyway, what it does is bind to actin pretty much like the native thymosin beta-4 fragment, so it's not suited for straightforward cell viability screens where you'd use a simpler peptide, but for inflammation or tissue repair models it's teh go-to.
We keep stock on hand for the 24-month shelf life window, roughly 200 vials at a time, so lead time is usually 5-7 business days or so unless your MOQ is over 100 units—then we'll need to check the production schedule.
Our MOQ for TB-500 is 10 grams per order, but we can discuss smaller quantities for first-time buyers or specific research needs.
We usually ship within 3–5 business days after order confirmation, and express delivery takes 5–7 days worldwide.
Yes, we provide a COA with every batch, including HPLC purity ≥99% and other specs like appearance and molecular weight. Just request it with your order.
Store it at -20°C in a freezer, away from light and moisture. Keep the vial sealed until use to preserve stability.
We offer custom packaging and labeling for bulk orders, like your logo or specific vial sizes. Minimum for customization is 50 grams.