A3245712
                    (+)-Di-p-toluoyl-D-tartaric Acid , 98% , 32634-68-7
                            Synonym(s):
(+)-O,O′-Di-p-toluoyl-D -tartaric acid;Di-p-toluoyl-D -tartaric acid
                            
                        
                CAS NO.:32634-68-7
Empirical Formula: C20H18O8
Molecular Weight: 386.35
MDL number: MFCD00008552
EINECS: 251-132-2
| Pack Size | Price | Stock | Quantity | 
| 5G | RMB23.20 | In Stock | 
                                                 | 
                                        
| 25G | RMB31.20 | In Stock | 
                                                 | 
                                        
| 100G | RMB44.00 | In Stock | 
                                                 | 
                                        
| 500G | RMB196.80 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 169-171 °C(lit.) | 
                                    
| alpha | 136 º (c=1, EtOH) | 
                                    
| Boiling point: | 432.57°C (rough estimate) | 
                                    
| Density | 1.3084 (rough estimate) | 
                                    
| vapor pressure | 0Pa at 25℃ | 
                                    
| refractive index | 139 ° (C=1, EtOH) | 
                                    
| storage temp. | Inert atmosphere,Room Temperature | 
                                    
| solubility | DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly) | 
                                    
| form | Solid | 
                                    
| pka | 1.46±0.25(Predicted) | 
                                    
| color | White to Off-White | 
                                    
| optical activity | [α]19/D +138°, c = 1 in ethanol | 
                                    
| Water Solubility | 112.55mg/L at 25℃ | 
                                    
| BRN | 3225584 | 
                                    
| LogP | 2.97 at 25℃ | 
                                    
| CAS DataBase Reference | 32634-68-7(CAS DataBase Reference) | 
                                    
| NIST Chemistry Reference | (+)-Di-o-4-toluoyl-d-tartaric acid(32634-68-7) | 
                                    
| EPA Substance Registry System | Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)- (32634-68-7) | 
                                    
Description and Uses
Inhibitor of enzyme. Rivastigmine USP Related Compound A.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319 | 
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | 
| Hazard Codes | Xi | 
| Risk Statements | 36/37/38 | 
| Safety Statements | 22-24/25-36/37-26 | 
| WGK Germany | 3 | 
| F | 3-10 | 
| TSCA | T | 
| HS Code | 29181300 | 






