Sold singularly. Expires 07-2025. CE marked for use as an IVD within the UK, EU member states and EEA countries. In all other territories this product can be used for research purposes only. This reagent is compatible with the Result Reporting Software (RRS) application, use link for more details. https://www.nibsc.org/products/rrs.aspx Our CE-marked in vitro diagnostic (IVD) quality control reagents will only be valid until 26 May 2025, 23:59 (GMT). Our expert scientists are currently developing new, alternative high-quality NIBSC Reference Reagents that can be used for performance assessment of laboratory assays.The majority of these will be made available under new product codes by May 2025.