A7159412
                    (3<i>R</i>,4<i>R</i>)-4-Acetoxy-3-[(<i>R</i>)-(<i>tert</i>-butyldimethylsilyloxy)ethyl]-2-azetidinone , ≥98.0% , 76855-69-1
CAS NO.:76855-69-1
Empirical Formula: C13H25NO4Si
Molecular Weight: 287.43
MDL number: MFCD00077636
EINECS: 408-050-9
| Pack Size | Price | Stock | Quantity | 
| 1G | RMB47.20 | In Stock | 
                                                 | 
                                        
| 5G | RMB85.60 | In Stock | 
                                                 | 
                                        
| 25G | RMB236.00 | In Stock | 
                                                 | 
                                        
| 100G | RMB776.00 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 107-109 °C(lit.) | 
                                    
| alpha | 51 º (c=1, chloroform) | 
                                    
| Boiling point: | 358.3±27.0 °C(Predicted) | 
                                    
| Density | 1.03±0.1 g/cm3(Predicted) | 
                                    
| storage temp. | 2-8°C | 
                                    
| solubility | almost transparency in Methanol | 
                                    
| form | powder to crystal | 
                                    
| pka | 12.86±0.60(Predicted) | 
                                    
| color | White to Almost white | 
                                    
| optical activity | [α]20/D +51°, c = 1 in chloroform | 
                                    
| InChI | InChI=1S/C13H25NO4Si/c1-8(18-19(6,7)13(3,4)5)10-11(16)14-12(10)17-9(2)15/h8,10,12H,1-7H3,(H,14,16)/t8-,10+,12-/m1/s1 | 
                                    
| InChIKey | GWHDKFODLYVMQG-UBHAPETDSA-N | 
                                    
| SMILES | N1[C@H](OC(C)=O)[C@@H]([C@H](O[Si](C(C)(C)C)(C)C)C)C1=O | 
                                    
| CAS DataBase Reference | 76855-69-1(CAS DataBase Reference) | 
                                    
Description and Uses
(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one is an acetoxyazetidinone derivative used as an intermediate in the preparation of carbapenem antibiotics.
Safety
| Symbol(GHS) | ![]() ![]() GHS07,GHS09  | 
                                    
| Signal word | Warning | 
| Hazard statements | H317-H319-H411 | 
| Precautionary statements | P273-P280-P302+P352-P305+P351+P338 | 
| Hazard Codes | Xi,N | 
| Risk Statements | 36-43-51/53 | 
| Safety Statements | 24-26-37-61 | 
| RIDADR | UN 3077 9/PG 3 | 
| WGK Germany | 2 | 
| HazardClass | 9 | 
| PackingGroup | III | 
| HS Code | 29337900 | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | 

![(3<i>R</i>,4<i>R</i>)-4-Acetoxy-3-[(<i>R</i>)-(<i>tert</i>-butyldimethylsilyloxy)ethyl]-2-azetidinone](https://img.chemicalbook.com/CAS/GIF/76855-69-1.gif)



