856986-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856986-52-2 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 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 856986-52:
(8*8)+(7*5)+(6*6)+(5*9)+(4*8)+(3*6)+(2*5)+(1*2)=242
242 % 10 = 2
So 856986-52-2 is a valid CAS Registry Number.