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CAS Number: 55321-99-8
3-oxo-3,4-dihydropyrazine-2-carboxamide

Structure

 3-oxo-3,4-dihydropyrazine-2-carboxamide
Name: 3-oxo-3,4-dihydropyrazine-2-carboxamide
Synonyms:
General Information
Product Number: 55321998

CAS Registry Number 55321-99-8
Name:
2-?Pyrazinecarboxamide, 3,?4-?dihydro-?3-?oxo-
Pyrazinamide, 3-hydroxy- (6CI)
Pyrazinecarboxamide, 3,4-dihydro-3-oxo- (9CI)
3,4-Dihydro-3-oxo-2-pyrazinecarboxamide
3-Hydroxy-2-pyrazinecarboxamide
NSC 163503

 

Chemical Formula: C5H5N3O2
Exact Mass: 139.04
Molecular Weight: 139.11
m/z: 139.04 (100.0%), 140.04 (6.6%)

 

InChI:InChI=1S/C5H5N3O2/c6-4(9)3-5(10)8-2-1-7-3/h1-2H,(H2,6,9)(H,8,10)

InChI Key:SZPBAPFUXAADQV-UHFFFAOYSA-N

Canonical SMILES:C1=CN=C(C(=O)N1)C(=O)N

 

Thermal Properties Value Condition Note
Melting Point 270 °C (decomp) Solv: water (7732-18-5) (2)CAS
Melting Point 268 °C (decomp)   (3)IC
Melting Point 263-265 °C (decomp)   (4)CAS

Specification

98%
References
  1. (2) Muehlmann, Frank L.; Journal of the American Chemical Society 1956, V78, P242-4 CAPLUS
  2. (3) Botta, M.; Journal of Heterocyclic Chemistry 1979, V16(1), P193-4 CAPLUS
  3. (4) McDonald, Francis G.; Journal of the American Chemical Society 1947, V69, P1034-7 CAPLUS
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