Purity Memes

The eternal struggle of organic chemists everywhere! 90% yield? That's worth bragging about at the next department meeting. 90% purity? That's worth crying about in the supply closet. Nothing says "back to square one" like discovering your supposedly pure compound is actually a chemical jambalaya. The recrystallization gods are cruel masters who demand sacrifices of time, solvents, and occasionally your will to live.