Shanghai Worldyang Chemical Co.,Limited
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Pyridine series

 

   Product name:  3,4-Pyridinedicarboxylic anhydride
  Serial number:   H10019
  English name:   3,4-Pyridinedicarboxylic anhydride
  English synonyms:   Cinchomeronic anhydride
  CAS NO:   4664-08-8
  Molecular formula:   C7H3NO3
  Molecular weight:   149.1
  Melting point:   75-77 °C
  Boiling point:   334.6°C at 760 mmHg
  Appearance:  White solid
  Assay:   99%min

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