797753-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 797753-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,7,7,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 797753-99:
(8*7)+(7*9)+(6*7)+(5*7)+(4*5)+(3*3)+(2*9)+(1*9)=252
252 % 10 = 2
So 797753-99-2 is a valid CAS Registry Number.