871880-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871880-26-1 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, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 871880-26:
(8*8)+(7*7)+(6*1)+(5*8)+(4*8)+(3*0)+(2*2)+(1*6)=201
201 % 10 = 1
So 871880-26-1 is a valid CAS Registry Number.