Hotline: 400-0510-518 
  
       
    
 
          
             
          
            
              
                
                    
                  
                                            
                        
                            
                              
                                  
                                    Product Name: L(-)-Proline  
                                     
                                  
                                    Medicines: H20043212 
                                     
                                  
                                    Properties: white crystal or crystal powder with light sweet taste 
                                     
                                  
                                    Formula: 
                                    
	C5 H9 NO2 
 
                                  
                                    Weight: 115.13  
                                     
                                  
                                    Cas   No: 147-85-3 
                                     
                              
 
                        
 
                      
                          
                       
                      
                           Product Description:  
                       
                      
                          
                       
                      
                        
	
		
			
				
					Packing: inner double layer plastic film, outer fiber can; 25kg/drum【Quality Standard】 
			 
		 
		
			
				
					
						
							
								
									Item
							 
							
								
									USP26
							 
						 
						
							
								
									Assay
							 
							
								
									98.5~101.5%
							 
						 
						
							
								
									pH
							 
							
								
									5.9~6.9
							 
						 
						
							
								
									Specific rotation [a]D025
							 
							
								
									-84.3°~-86.0°
							 
						 
						
							
								
									Chloride(Cl)
							 
							
								
									≤0.05%
							 
						 
						
							
								
									Ammonium(NH4)
							 
							
								
									≤0.02%
							 
						 
						
							
								
									Sulfate(SO4)
							 
							
								
									≤0.03%
							 
						 
						
							
								
									Iron(Fe)
							 
							
								
									≤30ppm
							 
						 
						
							
								
									Heavy metals(Pb)
							 
							
								
									≤15ppm
							 
						 
						
							
								
									Other amino acids
							 
							
								
									Conforms
							 
						 
						
							
								
									Loss on drying
							 
							
								
									≤0.40%
							 
						 
						
							
								
									Residue on ignition
							 
							
								
									≤0.40%
							 
						 
					 
				
				Main uses:  It is important for the synthesis of human protein and amino acid transfusion. It is major intermediate of captopril and enalapril. In addition, it is widely used in food and pharmaceutical industry.