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2,3-Pyrazinecarboxylic anhydride

Inquiry
  Post Date: Nov 20,2012
  Expiry Date: May 19,2013
  Detailed Description: Cas No. :4744-50-7
2,3-Pyrazinecarboxylic anhydride
Dear sir, We have purcahsed your material of 2,3-pyrazinedicarboxylic anhydride(Batch No. YK-110315).We are in need of CertIficate of analysis for the above batch.Also please share Method of analysis for the same (namley HPLC Method). Also we need to check content of 2,3-pyrazinedicarboxylic acid in 2,3-pyrazinedicarboxylic anhydride,Pl. share the method too.


  Company: Orchid chemicals and pharmaceuticals LTd,R&D Centre,Chennai-600119         
  Contact: Samuel.K
  Tel: 91 044 24501474
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