1081808-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1081808-80-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,1,8,0 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1081808-80:
(9*1)+(8*0)+(7*8)+(6*1)+(5*8)+(4*0)+(3*8)+(2*8)+(1*0)=151
151 % 10 = 1
So 1081808-80-1 is a valid CAS Registry Number.