CAS Registry Number

CAS 4233-33-4 — 4-Phenyl-1,2,4-triazoline-3,5-dione

4-Phenyl-1,2,4-triazoline-3,5-dione is a heterocyclic organic compound used as a reagent in synthetic chemistry, particularly in cycloaddition reactions and as a dienophile. It is a white to off-white crystalline powder with a molecular formula of C8H5N3O2 and a molecular weight of 175.14 g/mol. It is stable when stored at 2 to 8 °C and classified with a warning signal word due to its reactivity. Molekula supplies 4-Phenyl-1,2,4-triazoline-3,5-dione from research to bulk quantities with full documentation and ISO 9001:2015 traceability.