81964-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81964-79-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,6 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81964-79:
(7*8)+(6*1)+(5*9)+(4*6)+(3*4)+(2*7)+(1*9)=166
166 % 10 = 6
So 81964-79-6 is a valid CAS Registry Number.