Name: 4-Ethyl-2,3-dioxo-1-piperazine carbonyl chloride CAS: 59703-00-3 Technical Data: Properties: White or off-white crystalline powderAssay(HPLC, %): ≥95.0Dioxo piperazine(HPLC, %): ≤4.0Absorbance(400nm): A≤0.1 4-Ethyl-2,3-dioxo-1-piperazine carbonyl chloride(EDPC)