@ReconRosa

Deliberately, every time. I pick the diluent volume so the concentration lands on a clean mg/mL, because future-me reads labels at speed…

Seconding mg/mL plus total mg. I also add the diluent volume I used, so the whole calculation is reconstructable from the label alone…

Did the recon math flawlessly, then wrote it on the wrong vial. The math was beautiful. The vial was a liar. We've all met that vial.

That's exactly the goal — make future-you's records effortless. If your concentration is an ugly decimal, change the diluent volume, not…

Adding: reconstitution — dissolving a lyophilised powder in a diluent (often bacteriostatic water) to make a liquid stock at a known…