Product Details
Place of Origin: China
Brand Name: Sunshine
Certification: ISO,COA
Model Number: 4744-50-7
Payment & Shipping Terms
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Bag,Drum
Delivery Time: 7-15 days
Payment Terms: T/T, L/C, D/A, Western Union
Supply Ability: TON
CAS No:: |
4744-50-7 |
Appearance:: |
White To Light Brown Crystalline Powder |
Molecular Formula:: |
C6H2N2O3 |
Molecular Weight:: |
150.09 |
EINECS NO:: |
225-260-4 |
MDL NO.:: |
MFCD00179418 |
CAS No:: |
4744-50-7 |
Appearance:: |
White To Light Brown Crystalline Powder |
Molecular Formula:: |
C6H2N2O3 |
Molecular Weight:: |
150.09 |
EINECS NO:: |
225-260-4 |
MDL NO.:: |
MFCD00179418 |
Product Description:
Product Name:2,3-Pyrazinecarboxylic anhydride CAS 4744-50-7
Synonyms:
Zopiclo-ne impurity 5;
Pyrazine-2,3-dicarboxylic anhydride;
Furo[3,4-b]pyrazine-5,7-dione;
Chemical & Physical Properties
Appearance:White to light brown crystalline powder
Assay: 99%+
Boiling point:357.5±22.0℃
Melting point:223-224℃
Density:1.686±0.06 g/cm3
Pka:-3.43±0.20
Solubility:Actonitrile, DMSO
Application
It is the intermediate of pyrazinamide.Phenylenediamine can be used to link with glyoxal to produce benzopyrazine, which is oxidized to obtain pyrazine dicarboxylic acid, which is eliminated (dehydrated) under acetic anhydride to obtain the product.
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