459181-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 459181-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,9,1,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 459181-21:
(8*4)+(7*5)+(6*9)+(5*1)+(4*8)+(3*1)+(2*2)+(1*1)=166
166 % 10 = 6
So 459181-21-6 is a valid CAS Registry Number.