Chemical Information Catelog Number: R05-0001 Product Name: BDP 558/568 hydrazide Molecular Formula: C16H16N4BClF2OS Molecular Weight: 396.65 Purity: NMR 1H, HPLC-MS (95%) Solubility: good in DMF, DMSO Product Specification Appearance: dark colored solid ε, L⋅mol-1⋅cm-1: 84400 Storage Conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. Excitation Maximum (nm): 561 Emission Maximum (nm): 569Carbonyl groups of aldehyde/ketone type are very often found in natural and synthetic molecules. Aldehydes and ketones can be efficiently labeled with hydrazides with the formation of stable hydrazones. This compound is a carbonyl reactive hydrazide derivative of BDP 558/568 dye which has its emission in yellow range of the spectrum.