158871-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158871-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,7 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 158871-26:
(8*1)+(7*5)+(6*8)+(5*8)+(4*7)+(3*1)+(2*2)+(1*6)=172
172 % 10 = 2
So 158871-26-2 is a valid CAS Registry Number.