117952-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117952-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,5 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117952-05:
(8*1)+(7*1)+(6*7)+(5*9)+(4*5)+(3*2)+(2*0)+(1*5)=133
133 % 10 = 3
So 117952-05-3 is a valid CAS Registry Number.
117952-05-3Relevant articles and documents
Some novel mesoionic bispurinone analogs: Studies on preparation and characterization
Mbagwu,Garland
, p. 571 - 573 (2007/10/02)
The preparation of the first examples of class II mesoionic bispurinones is described. Arylaminobithiazole 3 is cyclized by condensation with bis(2,4,6-trichlorophenyl) methylmalonate to yield anhydro3,3'-bis(6-methyl-8-aryl-5-hydroxy-7-oxothiazole[3,2-a]
