CAS 90-89-1 appears in our catalog under these names: NN-Diethyl-4-methyl-1-piperazinecarboxamide, 98%, Diethylcarbamazine, Diethylcarbamazine, >98.0%(GC), N,N-Diethyl-4-methylpiperazine-1-carboxamide, 97%, 97%, Diethylcarbamazine, 99.83%. Offered by: Fluorochem, GLPBio, TargetMol, TCI, Thermo Scientific (Acros). Available pack sizes: 10g, 25g, 1g, 5g, 5mg, 250mg, 10mM/1mL, 100 mg.