871880-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871880-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,8 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 871880-11:
(8*8)+(7*7)+(6*1)+(5*8)+(4*8)+(3*0)+(2*1)+(1*1)=194
194 % 10 = 4
So 871880-11-4 is a valid CAS Registry Number.