871025-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871025-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,0,2 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 871025-11:
(8*8)+(7*7)+(6*1)+(5*0)+(4*2)+(3*5)+(2*1)+(1*1)=145
145 % 10 = 5
So 871025-11-5 is a valid CAS Registry Number.