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18-Crown-6
Dibenzo-18-crown-6
15-Crown-5
5-Methoxyindole
5-Methoxyindole-3-formaldehyde
Pyrazine-2,3-dicarboxylic acid
"Ruzhuxiang" Feedstuff Additive

 

Pyrazine-2,3-dicarboxylic acid

Structural formula:

Molecular formula: C6H4N2O4

Molecular weight: 168.1

Use: medicine intermediate

Specification:

Appearance: white acicular crystal
Melting point: ≥193°C
Assay: ≥99.0%(HPLC) 99.5%(HPLC)
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