26506-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26506-02-5 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 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 26506-02:
(7*2)+(6*6)+(5*5)+(4*0)+(3*6)+(2*0)+(1*2)=95
95 % 10 = 5
So 26506-02-5 is a valid CAS Registry Number.
26506-02-5Relevant articles and documents
A one-step synthesis of 5-hydroxyflavones
Bois, Frédéric,Beney, Chantal,Mariotte, Anne-Marie,Boumendjel, Ahcène
, p. 1480 - 1482 (2007/10/03)
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.