79641-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79641-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,4 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79641-43:
(7*7)+(6*9)+(5*6)+(4*4)+(3*1)+(2*4)+(1*3)=163
163 % 10 = 3
So 79641-43-3 is a valid CAS Registry Number.