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We've been supplying this TB-500 fragment for a while now, and what sets it apart form the lower-grade stuff out there is the purity—≥99% by HPLC means you're not dealing with the kind of inconsistent batches some suppliers push, especially those cheaper alternatives that can be 95% or worse, which basically throws off any reproducible work you're trying to do. 10mg vials are standdard, but our company can adjust quantities if you need a custom run—just let us know the volume you're after.
The molecular weight is 889.02 g/mol, which is tight for this peptide, and it's soluble in both water and methanol, so reconstitution is pretty straightforward, but I'd recommend storing it at 2-8°C in a dry environment—we've seen some folks leave it out at room temp, and it degrades faster than you'd expect, usually losing potency within a few months instead of the full 24-month shelf life. That said, most buyers go with the 10mg vial for smaller studies, and it holds up well in those conditions. One thing we don't push it for is anything beyond research use—it's not suited for clinical or human appliction, and we're upfront about that.
We've got a batch of this now (usually 2-4 weeks lead time depending on custom specs), and the documentation our company provide includes a COA with HPLC data—some competitors skip that or charge extra, but we include it with every order. 4. Actually, the CAS number is 885340-08-9, and while that's consistent across most suppliers, what you don't always get is consistency in particle appearance—we've handled enough of these to know that the white powder should be fine and not clumpy, which a few cheaper options tend to be.
Anyway, if you're comparing this to the 99% grade from some other sources, the price per mg is roughly $2.50 or so for the 10mg vial, and that's competitive given the documentation and packaging flexibility. 6. We usually have stock, but confirm lead time if you need more than 50 units—custom packging might take an extra week or two, but for most researchers, the standard vials work fine.
We can start with as low as 10mg vials, but custom orders typically require a minimum of 100mg. Let us know your target quantity and we'll confirm.
We include a Certificate of Analysis with each batch that shows the HPLC purity results and other QC data. Third-party testing reports are available on request.
Keep it at 2-8°C in a dry environment, away from light. The powder is stable for 24 months under those conditions, but reconstituted solutions should be used quickly.
Yes, we can customize vial sizes and quantities to match your research needs. Just specify the amount per vial and total order, and we'll adjust the packaging accordingly.
Standard lead time is 7-10 business days for synthesis and QC testing. Rush orders may be possible depending on current workload.
