778524-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 778524-11-1 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 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 778524-11:
(8*7)+(7*7)+(6*8)+(5*5)+(4*2)+(3*4)+(2*1)+(1*1)=201
201 % 10 = 1
So 778524-11-1 is a valid CAS Registry Number.