864871-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864871-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,8,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 864871-91:
(8*8)+(7*6)+(6*4)+(5*8)+(4*7)+(3*1)+(2*9)+(1*1)=220
220 % 10 = 0
So 864871-91-0 is a valid CAS Registry Number.