686349-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 686349-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,6,3,4 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 686349-64:
(8*6)+(7*8)+(6*6)+(5*3)+(4*4)+(3*9)+(2*6)+(1*4)=214
214 % 10 = 4
So 686349-64-4 is a valid CAS Registry Number.