79749-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79749-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79749-53:
(7*7)+(6*9)+(5*7)+(4*4)+(3*9)+(2*5)+(1*3)=194
194 % 10 = 4
So 79749-53-4 is a valid CAS Registry Number.