Related CAS #
                                        
                                                                                                                                                                                                        1415126-69-0 (phosphate); 1211231-85-4 (trifluoroacetate); 1211231-53-6 (HCl); 1211231-76-3 (free base)
                                                                                                                                                                                        
                                     
                                    
                                        Synonym
                                        Oxicodegol trifluoroacetate; NKTR181 trifluoroacetate; NKTR 181 trifluoroacetate; NKTR-181 trifluoroacetate
                                     
                                    
                                        IUPAC/Chemical Name
                                        Morphinan-14-ol, 4,5-epoxy-6-(3,6,9,12,15,18-hexaoxanonadec-1-yloxy)-3-methoxy-17-methyl-, (5alpha,6alpha)-, 2,2,2-trifluoroacetate (1:1)
                                     
                                    
                                        InChi Key
                                        VLPVFQRJECMGMK-HQDKYZDVSA-N
                                     
                                    
                                        InChi Code
                                        InChI=1S/C33H48F3NO11/c1-37-9-8-31-27-23-4-5-24(40-3)28(27)47-29(31)25(6-7-32(31,26(37)22-23)48-30(38)33(34,35)36)46-21-20-45-19-18-44-17-16-43-15-14-42-13-12-41-11-10-39-2/h4-5,25-26,29H,6-22H2,1-3H3/t25-,26-,29+,31+,32-/m1/s1
                                     
                                    
                                        SMILES Code
                                        CN(CC1)[C@H]2[C@]3(OC(C(F)(F)F)=O)CC[C@@H](OCCOCCOCCOCCOCCOCCOC)[C@@]4([H])[C@]31C5=C(O4)C(OC)=CC=C5C2
                                     
                                    
                                    
                                        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
                                        To be determined
                                     
                                    
                                        Shelf Life
                                        >2 years if stored properly
                                     
                                    
                                        Drug Formulation
                                        To be determined
                                     
                                    
                                        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
                                        691.74
                                        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: Henningfield JE, Gudin J, Rauck R, Gimbel J, Tagliaferri M, Doberstein SK, Di Fonzo C, Lu L, Katz N, Siddhanti S, Schnoll S. Measuring Opioid Withdrawal in a Phase 3 Study of a New Analgesic, NKTR-181 (Oxycodegol), in Patients with Moderate to Severe Chronic Low Back Pain. Pain Med. 2020 Aug 1;21(8):1553-1561. doi: 10.1093/pm/pnz326. PMID: 32150255; PMCID: PMC7530570.
2: Ge X, Henningfield JE, Siddhanti S, Jobes J, Lu L, Xie S, Ziola M, Kelsh D, Vince B, Di Fonzo CJ, Tagliaferri M, Zalevsky J, Doberstein SK, Hoch U, Eldon MA. Human Abuse Potential of Oral NKTR-181 in Recreational Opioid Users: A Randomized, Double-Blind, Crossover Study. Pain Med. 2020 Feb 1;21(2):e114-e126. doi: 10.1093/pm/pnz232. PMID: 31553457.
3: Gudin J, Rauck R, Argoff C, Agaiby E, Gimbel J, Katz N, Doberstein SK, Tagliaferri M, Tagliaferri M, Potts J, Wild J, Lu L, Siddhanti S, Hale M, Markman J. Long-term Safety and Tolerability of NKTR-181 in Patients with Moderate to Severe Chronic Low Back Pain or Chronic Noncancer Pain: A Phase 3 Multicenter, Open-Label, 52-Week Study (SUMMIT-08 LTS). Pain Med. 2020 Nov 7;21(7):1347-1356. doi: 10.1093/pm/pnz169. PMID: 31361019; PMCID: PMC7372935.