856982-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856982-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,8 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 856982-11:
(8*8)+(7*5)+(6*6)+(5*9)+(4*8)+(3*2)+(2*1)+(1*1)=221
221 % 10 = 1
So 856982-11-1 is a valid CAS Registry Number.