778522-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 778522-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,8,5,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 778522-84:
(8*7)+(7*7)+(6*8)+(5*5)+(4*2)+(3*2)+(2*8)+(1*4)=212
212 % 10 = 2
So 778522-84-2 is a valid CAS Registry Number.