81053-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81053-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,5 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81053-79:
(7*8)+(6*1)+(5*0)+(4*5)+(3*3)+(2*7)+(1*9)=114
114 % 10 = 4
So 81053-79-4 is a valid CAS Registry Number.