871506-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871506-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,5,0 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 871506-26:
(8*8)+(7*7)+(6*1)+(5*5)+(4*0)+(3*6)+(2*2)+(1*6)=172
172 % 10 = 2
So 871506-26-2 is a valid CAS Registry Number.