DIAZIQUONE NSC - 182986 SMILE String: N1(C=2C(=O)C(=C(N3CC3)C(=O)C2NC(=O)OCC)NC(=O)OCC)CC1 Chemical Name: 2, 5-Bis(1-aziridinyl)-3,6-dioxo-1,4-cyclohexadiene-1,4-dicarbamic acid, diethyl ester Other Names: AZQ; Aziridinylbenzoquinone CAS Registry Number: 57998-68-2 Molecular Formula: C16H20N4O6 M.W.: 364.4 Approximate Solubility: (mg/mL) Water 0.72 pH 4 buffer < 1 pH 9 buffer < 1 10% Ethanol < 1 95% Ethanol < 1 Methanol < 1 Chloroform 5 - 7 5% Dimethylacetamide 1.5 Dimethylacetamide 20 - 25 Dimethylsulfoxide 25 - 30 Stability: Bulk: A sample stored at 60 °C in the dark for 30 days showed < 2% decomposition (HPLC). Solution: A sample in 5% DMA (1mg/mL) showed 18% decomposition after 8 hours at room temperature. (HPLC) Ultraviolet Absorption: (Methanol) max E 217 ± 2 nm 22,000 - 22,800 341 ± 2 nm 13,900 - 14,300 High Performance Liquid Chromatography: Column: µ.- Bondapak Phenyl, 300 x 4 mm i.d. Mobile Phase: CH /0.01 M pH 7 phosphate, 15/85, v/v Flow Rate: 1.0 mL /min Detection: UV at 254 nm Sample Preparation: Sample solvent CH Retention Volume: 15 mL (NSC- 182986) Toxicity Data: Mouse(iv): LD50 10300 ug/kg National Technical Information Service, PB80-177934