https://blogs.sciencemag.org/pipeline/archives/2021/07/12/temozolimide-is-explosive
Um, 1) How did no one notice a drug we've been using since the 1970s is very explosive
2) How did anyone NOT think THAT drug was explosive? LOOK AT IT. LOOK AT ALL THAT NITROGEN.
@WizardOfDocs Weighable means can exist as a pure solid: Lots of compounds like this would need to stay in solution, which makes measuring them annoying, or are gases, etc etc. You want pure liquids or solids to make working with it easy.