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99% purity we’ve received form Polaris Peptides is first thing that stands out — it’s actually tighter than what many labs list on their spec sheets for oxytocin.
That purity level means we’ve seen consistent performence in behavioral assays without those stray peaks that mess up, so we’ve pretty much stopped looking elsewhere for this peptide.
We usually run it at -20°C desiccated right out of the box, and the shelf life holds at about 24 months if you don’t let it sit out on the bench; teh powder dissolves easily in water or acetic acid within a few minutes.
Ordering is straightforward — we go through the website, pick the 5mg or 10mg vial depending on our batch size, and confirm lead time since stock varies (usually within 10 days or so).
One thing to note is that it’s not suited for long-term room temperature storage — you’ll get degradation if you leave it out, which is pretty standerd for lyophilized peptides like this.
Their CAS is 50-56-6 with a molecular weight of 1007.19 g/mol, and each shipment comes with a COA that we keep on file for our internal HPLC audits.
