77619-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77619-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77619-77:
(7*7)+(6*7)+(5*6)+(4*1)+(3*9)+(2*7)+(1*7)=173
173 % 10 = 3
So 77619-77-3 is a valid CAS Registry Number.
77619-77-3Relevant academic research and scientific papers
Syntheses of Pyrazolo-1,2,4-triazine Derivatives of 1,6-Methanoannulene
Neidlein, Richard,Jaeschke, Uwe
, p. 1359 - 1362 (2007/10/02)
Coupling reactions of the diazonium betains 3, 4, 5 with 3-tert-butoxy-1,6-methanoannulene (2) under mild reaction conditions lead to elimination of tert-butyl alcohol with formation of the methano-bridged triazine dye stuffs 6a-c.For comparison by co
