181269-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181269-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 181269-80:
(8*1)+(7*8)+(6*1)+(5*2)+(4*6)+(3*9)+(2*8)+(1*0)=147
147 % 10 = 7
So 181269-80-7 is a valid CAS Registry Number.