100 µg/mL in MethanolFormula C3H5N3O2:HCL Storage instructions Store at room temperature away from light and moisture.Stability/Expiration details Stable if stored as recommended. Name:1-AMINOHYDANTOINHYDROCHLORIDE(AHD)Isotope:(UNLABELED)100UG/MLINMETHANOLCatalogNumber:ULM-7188-1.2Quantity:1.2MLFormula:C3H5N3O2:HCLCAS#(unlabeled):2827-56-7Categories:OtherEnvironmentalContaminants(QO)