81481-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81481-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,8 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81481-38:
(7*8)+(6*1)+(5*4)+(4*8)+(3*1)+(2*3)+(1*8)=131
131 % 10 = 1
So 81481-38-1 is a valid CAS Registry Number.