64793-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64793-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64793-81:
(7*6)+(6*4)+(5*7)+(4*9)+(3*3)+(2*8)+(1*1)=163
163 % 10 = 3
So 64793-81-3 is a valid CAS Registry Number.