19149-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19149-78-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,4 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19149-78:
(7*1)+(6*9)+(5*1)+(4*4)+(3*9)+(2*7)+(1*8)=131
131 % 10 = 1
So 19149-78-1 is a valid CAS Registry Number.