triethylenemelamine triethylenemelamine triethylenemelamine (abbreviated tem, also called tretamine) is a drug used in chemotherapy. triethylenemelamineclinical dataatc codenoneidentifiers iupac name 2,4,6-tris(aziridin-1-yl)-1,3,5-triazine cas number51-18-3 ypubchem cid5799chemspider5594 nuniif7iy6hzg9dkeggc07642 nchemblchembl502384 ncomptox dashboard (epa)dtxsid3026225 echa infocard100.000.076 chemical and physical dataformulac9h12n6molar mass204.237 g·mol−13d model (jsmol)interactive image smiles c1cn1c2nc(nc(n2)n3cc3)n4cc4 inchi inchi=1s/c9h12n6/c1-2-13(1)7-10-8(14-3-4-14)12-9(11-7)15-5-6-15/h1-6h2 nkey:iucjmvbfzdhpdx-uhfffaoysa-n n ny (what is this?) (verify) it can cause chromatid aberrations in cell models.