144564-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144564-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,5,6 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144564-05:
(8*1)+(7*4)+(6*4)+(5*5)+(4*6)+(3*4)+(2*0)+(1*5)=126
126 % 10 = 6
So 144564-05-6 is a valid CAS Registry Number.
144564-05-6Relevant articles and documents
Synthesis of imidazo- and diimidazo[1,2,4,5]tetrazines; for tautomerism of dihydro-1,2,4,5-tetrazines
Wamhoff,Strobl,Jansen,Ralle
, p. 879 - 883 (1992)
Dimethyl 1,4-dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate (1) reacts with isocyanates to afford the 2,7-disubstituted 1H,6H-diimidazo[1,5-b:1',5'-e][1,2,4,5]tetrazine-1,3,6,8(2H,7H)-tetron es 2a-m, a hitherto unknown ring system. The linear annulation of 2