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Actually went with this one because the CAS 6893-02-3 and ≥99% purity checked off for our metabolic pathway studies, and we've had decent luck with suppiler on other GLP-1 analogs. The 4813.527 g/mol molecular weight is—well, it's a big peptide, so reconstitution can be touchy, but the white powder format is standard for lyophilized stuff and usually dissolves fine with the right protocol.
We're shippng to the US, and the supplier confirmed they handle import documentation—COA and SDS are included with each order, which should keep customs smooth, though I'd still budget 2-3 weeks for clearance (usually faster if we go with a bonded carrier). The 5mg and 10mg vials are what most buyers go with for dose-response work, but I grabbed a mix of 15mg and 30mg too since the shelf life is >2 years when stored at 2-8°C and protected from light.
One thing the spec sheet doesn't shout about is that solubility is listed as 'to be determined'—that's pretty common for research-grade peptides, but it means we'll need to run our own buffer tests before any assays. It's not suited for in vivo dosing without proper formulation work, which is fine since our lab handles reconstitution in-house anyway.
The molecular formula C225H348N48O68 is a beast, but teh HPLC purity spec is tighter than reagent grade for this class, so we're getting consistent batches for repeated experiments. Storage conditions are strict—2-8°C, no light exposure—so we'll need to clear fridge space and maybe use amber vials if we aliquot.
Basically, the price per milligram works out better than the 95% purity options from other sources, and the supplier has been reliable with lead times—usually 10-14 days from order. I'd say we order enough for the next 6 months of metabolic research, and our company can always reorder if the batch holds up.
We have no minimum order quantity—you can order a single 5mg vial if that's all you need. Pricing is per vial, so small test orders are welcome.
Yes, we include a COA with every batch, showing the ≥99% purity confirmed by HPLC. If you need a specific test like NMR or mass spec, just ask and we can arrange it.
Keep it at 2-8°C in a refrigerator, away from light and moisture. A sealed vial in a dark, dry place works fine—just don’t freeze it or leave it out at room temp for long.
Absolutely—we can fill other amounts per vial, like 20mg or 50mg, as long as you order a reasonable quantity. Just let us know the vial size and total amount you need.
For stock items like the 30mg vials, we usually ship within 3-5 business days. Larger custom orders might take a bit longer, but we’ll confirm the exact timeline when you place the order.
