693242-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693242-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 693242-19:
(8*6)+(7*9)+(6*3)+(5*2)+(4*4)+(3*2)+(2*1)+(1*9)=172
172 % 10 = 2
So 693242-19-2 is a valid CAS Registry Number.