106828-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106828-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,8,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106828-81:
(8*1)+(7*0)+(6*6)+(5*8)+(4*2)+(3*8)+(2*8)+(1*1)=133
133 % 10 = 3
So 106828-81-3 is a valid CAS Registry Number.