855871-84-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855871-84-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,8,7 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 855871-84:
(8*8)+(7*5)+(6*5)+(5*8)+(4*7)+(3*1)+(2*8)+(1*4)=220
220 % 10 = 0
So 855871-84-0 is a valid CAS Registry Number.