3,5-Dichloro-4-pyridone-N-acetic acid

3,5-Dichloro-4-pyridone-N-acetic acid

Synonyms: 3,5-Dichloro-4-pyridone-1-acetic acid; 3,5-Dichloro-4-oxo-1-pyridineacetic acid
CAS No.: 56187-37-2
Formula: C7H5Cl2NO3
Molecular Weight: 222.02
Appearance                                                                   White crystal  
Purity (%)                                                                        99 min. (HPLC)  
Free phenol (%)                                                            0.5 max.  
Melting point (°C)                                                         239 - 241 (with the measuring interval set to 1 °C)  
Moisture (%)                                                                  0.5 max.  
Residue on ignition (%)                                              0.5 max.       
Intermediate of cefazedone. 
25 kg net in carton drum.

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