Synonym
                                        AVI-680, T-808, T808
                                     
                                    
                                        IUPAC/Chemical Name
                                        Pyrimido(1,2-a)benzimidazole, 2-(4-(2-fluoroethyl)-1-piperidinyl)-
                                     
                                    
                                        InChi Key
                                        DWSFKWXDRBTTCG-UHFFFAOYSA-N
                                     
                                    
                                        InChi Code
                                        1S/C17H19FN4/c18-9-5-13-6-10-21(11-7-13)16-8-12-22-15-4-2-1-3-14(15)19-17(22)20-16/h1-4,8,12-13H,5-7,9-11H2
                                     
                                    
                                        SMILES Code
                                        c1ccc2c(c1)nc3n2ccc(n3)N4CCC(CC4)CCF
                                     
                                    
                                    
                                        Purity
                                        >98% (or refer to the Certificate of Analysis)
                                     
                                    
                                        Shipping Condition
                                        Shipped under ambient temperature as non-hazardous chemical.  This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
                                     
                                    
                                        Storage Condition
                                        Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
                                     
                                    
                                        Solubility
                                        Soluble in DMSO
                                     
                                    
                                        Shelf Life
                                        >3 years if stored properly
                                     
                                    
                                        Drug Formulation
                                        This drug may be formulated in DMSO
                                     
                                    
                                        Stock Solution Storage
                                        0 - 4 C for short term (days to weeks), or -20 C for long term (months).
                                     
                                    
                                        HS Tariff Code
                                        2934.99.9001
                                     
                                    
                                 
                             
                            
                                                        
                                                                
                                    Preparing Stock Solutions
                                    
                                        The following data is based on the
                                        product
                                        molecular weight
                                        298.37
                                        Batch specific molecular weights may vary
                                        from batch to batch
                                        due to the degree of hydration, which will
                                        affect the solvent
                                        volumes required to prepare stock solutions.
                                    
                                    
                                    
                                        
                                            
                                            
                                                | Concentration / Solvent Volume / Mass | 
                                                1 mg | 
                                                5 mg | 
                                                10 mg | 
                                            
                                            
                                            
                                            
                                                | 1 mM | 
                                                1.15 mL | 
                                                5.76 mL | 
                                                11.51 mL | 
                                            
                                            
                                                | 5 mM | 
                                                0.23 mL | 
                                                1.15 mL | 
                                                2.3 mL | 
                                            
                                            
                                                | 10 mM | 
                                                0.12 mL | 
                                                0.58 mL | 
                                                1.15 mL | 
                                            
                                            
                                                | 50 mM | 
                                                0.02 mL | 
                                                0.12 mL | 
                                                0.23 mL | 
                                            
                                            
                                        
                                     
                                 
                                                             
                            
                            
                                
                                    1: Honer M, Gobbi L, Knust H, Kuwabara H, Muri D, Koerner M, Valentine H, Dannals RF, Wong DF, Borroni E. Preclinical Evaluation of (18)F-RO6958948, (11)C-RO6931643, and (11)C-RO6924963 as Novel PET Radiotracers for Imaging Tau Aggregates in Alzheimer Disease. J Nucl Med. 2018 Apr;59(4):675-681. doi: 10.2967/jnumed.117.196741. Epub 2017 Sep 28. PubMed PMID: 28970331; PubMed Central PMCID: PMC5932750.
2: Declercq L, Celen S, Lecina J, Ahamed M, Tousseyn T, Moechars D, Alcazar J, Ariza M, Fierens K, Bottelbergs A, Mariën J, Vandenberghe R, Andres IJ, Van Laere K, Verbruggen A, Bormans G. Comparison of New Tau PET-Tracer Candidates With [18F]T808 and [18F]T807. Mol Imaging. 2016 Jan 27;15. pii: 1536012115624920. doi: 10.1177/1536012115624920. Print 2016. PubMed PMID: 27030397; PubMed Central PMCID: PMC5470083.
3: Gao M, Wang M, Zheng QH. Concise and high-yield synthesis of T808 and T808P for radiosynthesis of [(18)F]-T808, a PET tau tracer for Alzheimer's disease. Bioorg Med Chem Lett. 2014 Jan 1;24(1):254-7. doi: 10.1016/j.bmcl.2013.11.025. Epub 2013 Nov 20. PubMed PMID: 24309505.
4: Chien DT, Szardenings AK, Bahri S, Walsh JC, Mu F, Xia C, Shankle WR, Lerner AJ, Su MY, Elizarov A, Kolb HC. Early clinical PET imaging results with the novel PHF-tau radioligand [F18]-T808. J Alzheimers Dis. 2014;38(1):171-84. doi: 10.3233/JAD-130098. PubMed PMID: 23948934.