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Subject: |
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| Ribavirin intermediate(cas.:4928-88-5) |
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1H-1,2,4-triazole-3-carboxylic acid methylester
Other name :1,2,4-triazole-3-carbozylic methyl ester
1,2,4-triazole-3-methyl arboxylate
Cas # 4928-88-5
Molecular formula :C4H5N3O2
Molecular weight :127.10
Appearance : white crystalline powder
Assay :98.5%(min)
Loss on drying :0.50%(max)
Residue on ignition:0.50%(max)
Melting point :197-200 degree celsium
Application : it is used as pharmaceutical intermediaters for Ribavirin.
Packaing : 25 kg per paper drum
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| 2013/10/31 |
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