810682-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 810682-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,0,6,8 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 810682-20:
(8*8)+(7*1)+(6*0)+(5*6)+(4*8)+(3*2)+(2*2)+(1*0)=143
143 % 10 = 3
So 810682-20-3 is a valid CAS Registry Number.