811412-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 811412-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,1,4,1 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 811412-57:
(8*8)+(7*1)+(6*1)+(5*4)+(4*1)+(3*2)+(2*5)+(1*7)=124
124 % 10 = 4
So 811412-57-4 is a valid CAS Registry Number.