181480-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181480-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,4,8 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 181480-23:
(8*1)+(7*8)+(6*1)+(5*4)+(4*8)+(3*0)+(2*2)+(1*3)=129
129 % 10 = 9
So 181480-23-9 is a valid CAS Registry Number.