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So you're looking at the 10mg vials of the peptide, and most buyers we deal with are research labs or serious individual researchers who already know the difference between a tanning aid and a metabolic modulator — it's basically the same compound, but the application split pretty cleanly depending on your target receptors.
CAS is 121062-08-6, and teh molecular weight comes out to about 1024.2 g/mol, which matters for accurate reconstitution if you're dosing by molarity, but honestly, most folks just go by the 10mg per vial and calculate form there.
Purity is >99% by HPLC, and we usually have the COA on hand if you need it, though the white powder appearance is a decent visual check that it's not degraded or contaminated.
Storage is -20°C for long-term, and you'll get about 2 years of stability if you keep it frozen, but if you're reconstituting for a study, it's better to aliquot and avoid freeze-thaw cycles as much as possible.
It's not really suited for anything oral or topical — solubility is in water, so it's an injection or infusion route only, and the MC1R targeting is what drives the melanogenesis, but MC3R and MC4R are the ones tied to appetite and weight research.
Anyway, when you order, you get a sealed vial with a rubber stopper and flip-off cap, and we ship it in insulated packaing with ice packs during warmer months, though lead time is usually 3-5 business days for stock items.
