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We're responding to your RFQ for the 10mg retatrutide vials, and base on teh batch records we're currently fulfilling, the purity is held at or above 99% by HPLC—typically runs closer to 99.3% on recent lots, which is tighter than many standard peptide supliers maintain.
Each sterile glass vial contains the freeze-dried powder at 3784.3 g/mol molecular weight, so you're looking at roughly 2.64 µmol per vial when reconstituted, and CAS is 149635-73-4 if you need it for your chemcial inventory logs.
And you'll want to store these at -20°C, protected form light, or you'll see degradation within a few weeks at room temperature. The shelf life is 36 months when properly handled, but we usually have stock so confirm lead time if you need less than 10 vials since that's the MOQ.
Actually, a detail some buyers overlook is that the rubber stopper is butyl-based, not chlorobutyl, so it's more resistant to solvent interaction if you're using DMSO or acetic acid for reconstitution. Not ideal for aqueous buffers with high salt content (check your diluent compatiblity first).
10 vials is the minimum order, and our company can ship within 5-7 business days on standard orders—longer if you need custom labeling or batch-specific COA requests. The white powder appearance is typical for this peptide after lyophilization, nothing unusual there.
Anyway, these aren't suited for any in vivo work unless you have explicit ethical approval and GMP-grade handling protocols, so just flagging that before you commit. We've got a few labs running binding assays with the 10mg vials—most buy in the 10-50 vial range for their dose-response studies.
