685861-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685861-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,6 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 685861-79:
(8*6)+(7*8)+(6*5)+(5*8)+(4*6)+(3*1)+(2*7)+(1*9)=224
224 % 10 = 4
So 685861-79-4 is a valid CAS Registry Number.