79391-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79391-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,3,9 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79391-19:
(7*7)+(6*9)+(5*3)+(4*9)+(3*1)+(2*1)+(1*9)=168
168 % 10 = 8
So 79391-19-8 is a valid CAS Registry Number.