128176-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128176-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,7 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128176-26:
(8*1)+(7*2)+(6*8)+(5*1)+(4*7)+(3*6)+(2*2)+(1*6)=131
131 % 10 = 1
So 128176-26-1 is a valid CAS Registry Number.