Isotretinoin 
                        PRODUCT NAME: Isotretinoin 
                        SYNONYMS: 13-cis-Retinoic acid; 13-cis-VitaminA acid; 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-cis-4-trans-6-trans-8-trans-nonatetraenoic acid 
                        MOLECULAR STRUCTURE:  
                          
                        CHEMICAL FORMULA: C20H28O2 
                        MOLECULAR WEIGHT: 300.44 
                        CAS NO.: 4759-48-2 
                        EINECS: 225-296-0 
                        MAIN INDEX: 
                        
                          
                            | Standard | 
                            USP28 | 
                           
                          
                            | Aspect | 
                            Yellow crystalline powder | 
                           
                          
                            | Water solubility | 
                            insoluble | 
                           
                          
                            | Melting point | 
                            174~177癈 | 
                           
                          
                            | Limit of tretinoin | 
                            No more than 1.0% | 
                           
                          
                            | Assay | 
                            99.4%~102% | 
                           
                         
                        MAIN USE: Pharmaceutical and cosmetics 
                        PACKING SPECIFICATION: Aluminium tin 
                        STORAGE:  Sealed and keeped in dark place 
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