91739-06-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91739-06-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,3 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91739-06:
(7*9)+(6*1)+(5*7)+(4*3)+(3*9)+(2*0)+(1*6)=149
149 % 10 = 9
So 91739-06-9 is a valid CAS Registry Number.
91739-06-9Relevant academic research and scientific papers
Weller, Dwight D.,Ford, Douglas W.
, p. 2105 - 2108 (1984)
The 6H-pyridocarbazole system is efficiently synthesized by intramolecular attack of an ester enolate on an unactivated pyridinium salt.
