26505-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26505-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,5,0 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26505-99:
(7*2)+(6*6)+(5*5)+(4*0)+(3*5)+(2*9)+(1*9)=117
117 % 10 = 7
So 26505-99-7 is a valid CAS Registry Number.
26505-99-7Relevant academic research and scientific papers
Bois, Frédéric,Beney, Chantal,Mariotte, Anne-Marie,Boumendjel, Ahcène
, p. 1480 - 1482 (1999)
5-hydroxy flavones were prepared in one step starting from 2,6- dihydroxyacetophenone. The latter was treated with an aroyl chloride in the presence of an excess of potassium carbonate to afford 5-hydroxyflavones.
