861798-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861798-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,7,9 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 861798-81:
(8*8)+(7*6)+(6*1)+(5*7)+(4*9)+(3*8)+(2*8)+(1*1)=224
224 % 10 = 4
So 861798-81-4 is a valid CAS Registry Number.