Synonym
                                        Papyracillic acid A; 
                                     
                                    
                                        IUPAC/Chemical Name
                                        (5S,7R,8S)-7-hydroxy-4-methoxy-7,8-dimethyl-9-methylene-1,6-dioxaspiro[4.4]non-3-en-2-one
                                     
                                    
                                        InChi Key
                                        UEYMIBGYKZFDMD-MQOMDTIOSA-N
                                     
                                    
                                        InChi Code
                                        InChI=1S/C11H14O5/c1-6-7(2)11(16-10(6,3)13)8(14-4)5-9(12)15-11/h5-6,13H,2H2,1,3-4H3/t6-,10+,11+/m0/s1
                                     
                                    
                                        SMILES Code
                                        C[C@@H]1[C@@](O)(C)O[C@]2(OC(C=C2OC)=O)C1=C
                                     
                                    
                                    
                                        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
                                        226.23
                                        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: Onodera T, Momose I, Adachi H, Yamazaki Y, Sawa R, Ohba SI, Kawada M. Human pancreatic cancer cells under nutrient deprivation are vulnerable to redox system inhibition. J Biol Chem. 2020 Sep 25:jbc.RA120.013893. doi: 10.1074/jbc.RA120.013893. Epub ahead of print. PMID: 32978257.
2: Cimmino A, Andolfi A, Avolio F, Ali A, Tabanca N, Khan IA, Evidente A. Cyclopaldic acid, seiridin, and sphaeropsidin A as fungal phytotoxins, and larvicidal and biting deterrents against Aedes aegypti (Diptera: Culicidae): structure-activity relationships. Chem Biodivers. 2013 Jul;10(7):1239-51. doi: 10.1002/cbdv.201200358. Erratum in: Chem Biodivers. 2013 Dec;10(12):2302. PMID: 23847068.
3: Mazzone JR, Zercher CK. Syntheses of papyracillic acids: application of the tandem chain extension-acylation reaction. J Org Chem. 2012 Oct 19;77(20):9171-8. doi: 10.1021/jo3017617. Epub 2012 Oct 5. PMID: 23013246; PMCID: PMC3477294.
4: Evidente A, Berestetskiy A, Cimmino A, Tuzi A, Superchi S, Melck D, Andolfi A. Papyracillic acid, a phytotoxic 1,6-dioxaspiro[4,4]nonene produced by Ascochyta agropyrina Var. nana, a potential mycoherbicide for Elytrigia repens biocontrol. J Agric Food Chem. 2009 Dec 9;57(23):11168-73. doi: 10.1021/jf903499y. PMID: 19891481.