| 
                                 AK Scientific 
                                J99110 
                             | 
                            1g | 
                            $221 | 
                            Disuccinimidyl Succinate  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                3171AB 
                             | 
                            5g | 
                            $885 | 
                            Disuccinimidyl Succinate  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                30364604 
                             | 
                            5g | 
                            $702.78 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                30364604 
                             | 
                            10g | 
                            $1085.76 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                30364604 
                             | 
                            25g | 
                            $1974 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A125401 
                             | 
                            10g | 
                            $831 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A125401 
                             | 
                            250mg | 
                            $75 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A125401 
                             | 
                            1g | 
                            $165 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A125401 
                             | 
                            5g | 
                            $500 | 
                            Bis(2,5-dioxopyrrolidin-1-yl)succinate  | 
                             | 
                        
                        
                            | 
                                 American Custom Chemicals Corporation 
                                CHM0029352 
                             | 
                            1G | 
                            $1169.09 | 
                            DISUCCINIMIDYL SUCCINATE  | 
                             |