685861-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685861-76-1 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 6 respectively.
Calculate Digit Verification of CAS Registry Number 685861-76:
(8*6)+(7*8)+(6*5)+(5*8)+(4*6)+(3*1)+(2*7)+(1*6)=221
221 % 10 = 1
So 685861-76-1 is a valid CAS Registry Number.