Pyrazine(290-37-9) ESR
Molecular FormulaC4H4N2
Molecular Weight80.09
InChIInChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H
InChIKey KYQCOXFCLRTKLS-UHFFFAOYSA-N
SmilesC1=NC=CN=C1
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MassMS-NW-5010 pyrazine C4H4N2 (Mass of molecular ion: 80)
Source Temperature: 240 °C Sample Temperature: 190 °C Reservoir, 75 eV
25.0 2.2 26.0 42.3 27.0 2.7 28.0 5.6 38.0 1.8 39.0 2.0 40.0 1.4 50.0 1.0 51.0 7.1 52.0 10.4 53.0 45.3 54.0 1.7 80.0 100.0 81.0 5.6
parameter in CDCl3
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1H NMR 300 MHz C4 H4 N2 0.037 g : 0.5 ml CDCl3 pyrazine 
Parameter ppm Hz
D(A) 8.590
Hz ppm Int.2577.00 8.590 1000
in CDCl3
KBr disc
nujol mull
TRIPLE CATION, WITH LI IN MTHF
ANION RADICAL, ELECTROLYTIC REDUCTION
ANION RADICAL, REDUCTION WITH NA IN LIQ. NH3
ANION RADICAL, REDUCTION WITH K IN DME, -80C
