79865-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79865-84-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,6 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79865-84:
(7*7)+(6*9)+(5*8)+(4*6)+(3*5)+(2*8)+(1*4)=202
202 % 10 = 2
So 79865-84-2 is a valid CAS Registry Number.