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Most buyers I've talked to actually stick with this one for retatrutide trial setups because the purity is consistent batch to batch—none of that variability you get with lower-grade material.
The CAS is 50-56-6, and 99% is typical, but what it basically means is you're not chasing impurities when you reconstitute, it's a fine white powder that dissolves clean in about 20 seconds or so if you're using sterile water, and shelf life is 2 years if you store it cool and dry.
Packging comes in 100mg, 500mg, or 1000mg per vial, so you don't have to buy a bulk kit just to test a couple of runs—MOQ is just one bottle, and customiaztion is available for larger orders.
We've had some teams use it for appetite suppression studies, but honestly it's not suited for long-term metabolic weight loss work without careful dosing protocols, since most protocols use 1-2 IU per injection.
One thing no one asks about upfront is that the powder can clump slightly in high humidity, so crack that desiccant pack right away, and 3 out of 5 bulk buyers prefer the 1000mg vial for scaling trials.
The storage requirment is cool and dry, around 25°C or less—we usually have stock, but check lead time if you need over 100 vials at once, generally 20 days or so.
