Found a solid reconstitution calculator, figured I'd share: https://www.thepeptidex.net/calculator/ You enter the mg in your vial and how much BAC water you're working with and it gives you the concentration in mg/mL and mcg/mL, the mcg per unit on a U-100 syringe, the volume for a given measured amount, and how many preps you get per vial. All in the browser, no signup, nothing to install. Their main site is worth a look too - reference library with 79 compounds, mechanisms, studied effects, specs. Nice not doing this math by hand anymore. For research work only obviously, but that's why we're all here.