A8495732
                    2H-Pyrido[4,3-b]-1,4-oxazin-3-(4H)-one , 98% , 20348-09-8
CAS NO.:20348-09-8
Empirical Formula: C7H6N2O2
Molecular Weight: 150.13
MDL number: MFCD00006697
EINECS: 243-751-1
| Pack Size | Price | Stock | Quantity | 
| 1G | RMB95.20 | In Stock | 
                                                 | 
                                        
| 10G | RMB639.20 | In Stock | 
                                                 | 
                                        
| 25G | RMB1279.20 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 204-206 °C(lit.) | 
                                    
| Boiling point: | 384.2±37.0 °C(Predicted) | 
                                    
| Density | 1.327±0.06 g/cm3(Predicted) | 
                                    
| storage temp. | Sealed in dry,Room Temperature | 
                                    
| form | liquid | 
                                    
| pka | 11.06±0.20(Predicted) | 
                                    
| Appearance | Off-white to light brown Solid | 
                                    
| BRN | 1074010 | 
                                    
| CAS DataBase Reference | 20348-09-8(CAS DataBase Reference) | 
                                    
Description and Uses
2H-Pyrido[3,2-b]-1,4-oxazin-3(4H)-one was used in the synthesis of quinazolinbenzoxazine derivatives.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319-H335 | 
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | 
| Hazard Codes | Xi | 
| Risk Statements | 36/37/38 | 
| Safety Statements | 26-37/39 | 
| WGK Germany | 3 | 
| HazardClass | IRRITANT | 
| HS Code | 2933998090 | 

![2H-Pyrido[4,3-b]-1,4-oxazin-3-(4H)-one](https://img.chemicalbook.com/CAS/GIF/20348-09-8.gif)



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