747399-54-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 747399-54-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,7,3,9 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 747399-54:
(8*7)+(7*4)+(6*7)+(5*3)+(4*9)+(3*9)+(2*5)+(1*4)=218
218 % 10 = 8
So 747399-54-8 is a valid CAS Registry Number.